blogs.scientificamerican.com Open in urlscan Pro
151.101.2.49 Public Scan

Go To Rescan
Add Verdict Report

URL:
https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
Submission: On April 28 via automatic, source hackernews (April 28th 2019, 3:29:46 pm UTC)

Summary HTTP 87 Redirects Links 59 Behaviour Indicators

Summary

This website contacted 34 IPs in 5 countries across 29 domains to perform 87 HTTP transactions. The main IP is 151.101.2.49, located in San Francisco, United States and belongs to FASTLY - Fastly, US. The main domain is blogs.scientificamerican.com.
TLS certificate: Issued by GlobalSign CloudSSL CA - SHA256 - G3 on April 9th 2019. Valid for: 3 months.

This is the only time blogs.scientificamerican.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 32	151.101.2.49 151.101.2.49	54113 (FASTLY) (FASTLY - Fastly)
2	2a00:1450:400... 2a00:1450:4001:81a::2008	15169 (GOOGLE) (GOOGLE - Google LLC)
1	2600:9000:200... 2600:9000:200c:3200:1f:287:d208:7ea1	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
2	152.195.132.202 152.195.132.202	15133 (EDGECAST) (EDGECAST - MCI Communications Services)
3	2a03:2880:f03... 2a03:2880:f03d:1c:face:b00c:0:3	32934 (FACEBOOK) (FACEBOOK - Facebook)
1	151.101.1.194 151.101.1.194	54113 (FASTLY) (FASTLY - Fastly)
2 6	2a00:1450:400... 2a00:1450:4001:821::200e	15169 (GOOGLE) (GOOGLE - Google LLC)
1	2606:4700::68... 2606:4700::6813:c497	13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
2	2a00:1450:400... 2a00:1450:400c:c0c::9c	15169 (GOOGLE) (GOOGLE - Google LLC)
1	2600:9000:200... 2600:9000:200c:3e00:5:9a4c:9b00:93a1	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1	2a00:1450:400... 2a00:1450:4001:81c::200a	15169 (GOOGLE) (GOOGLE - Google LLC)
5	151.101.0.175 151.101.0.175	54113 (FASTLY) (FASTLY - Fastly)
3	2a00:1450:400... 2a00:1450:4001:81e::2002	15169 (GOOGLE) (GOOGLE - Google LLC)
1	2a00:1450:400... 2a00:1450:4001:808::2002	15169 (GOOGLE) (GOOGLE - Google LLC)
3	216.58.208.34 216.58.208.34	15169 (GOOGLE) (GOOGLE - Google LLC)
3	2a03:2880:f13... 2a03:2880:f13d:83:face:b00c:0:25de	32934 (FACEBOOK) (FACEBOOK - Facebook)
2	2a00:1450:400... 2a00:1450:4001:819::2001	15169 (GOOGLE) (GOOGLE - Google LLC)
3	54.228.214.185 54.228.214.185	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
3	2.18.233.40 2.18.233.40	16625 (AKAMAI-AS) (AKAMAI-AS - Akamai Technologies)
6 7	54.247.110.64 54.247.110.64	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 2	18.184.93.254 18.184.93.254	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1 2	2.18.234.21 2.18.234.21	16625 (AKAMAI-AS) (AKAMAI-AS - Akamai Technologies)
1	213.19.162.90 213.19.162.90	26667 (RUBICONPR...) (RUBICONPROJECT - The Rubicon Project)
2	151.101.2.2 151.101.2.2	54113 (FASTLY) (FASTLY - Fastly)
8 9	176.34.190.23 176.34.190.23	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1	185.64.189.110 185.64.189.110	62713 (AS-PUBMATIC) (AS-PUBMATIC - PubMatic)
1 2	52.57.65.48 52.57.65.48	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1	2a00:1288:110... 2a00:1288:110:833::4000	34010 (YAHOO-IRD) (YAHOO-IRD)
1 2	18.153.11.6 18.153.11.6	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
1	37.252.172.250 37.252.172.250	29990 (ASN-APPNEXUS) (ASN-APPNEXUS - AppNexus)
1	34.200.62.249 34.200.62.249	14618 (AMAZON-AES) (AMAZON-AES - Amazon.com)
1 2	173.241.240.143 173.241.240.143	36089 (OPENX-AS1) (OPENX-AS1 - OPENX TECHNOLOGIES)
1 1	216.58.207.34 216.58.207.34	15169 (GOOGLE) (GOOGLE - Google LLC)
1	2600:9000:200... 2600:9000:200c:8800:5:ae3a:ba00:93a1	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
87	34

32 151.101.2.49 (San Francisco, United States) 1 redirects

ASN54113 (FASTLY - Fastly, US)

blogs.scientificamerican.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
static.scientificamerican.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:81a::2008 (Ireland)

ASN15169 (GOOGLE - Google LLC, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:200c:3200:1f:287:d208:7ea1 (United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)

get.s-onetag.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 152.195.132.202 (Ashburn, United States)

ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US)

cdn.cookielaw.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a03:2880:f03d:1c:face:b00c:0:3 (Ireland)

ASN32934 (FACEBOOK - Facebook, Inc., US)

connect.facebook.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 151.101.1.194 (San Francisco, United States)

ASN54113 (FASTLY - Fastly, US)

clarium.global.ssl.fastly.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 2a00:1450:4001:821::200e (Ireland) 2 redirects

ASN15169 (GOOGLE - Google LLC, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700::6813:c497 (United States)

ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)

cdnjs.cloudflare.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:400c:c0c::9c (Ireland)

ASN15169 (GOOGLE - Google LLC, US)

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:200c:3e00:5:9a4c:9b00:93a1 (United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)

beacon.s-onetag.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:81c::200a (Ireland)

ASN15169 (GOOGLE - Google LLC, US)

ajax.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 151.101.0.175 (San Francisco, United States)

ASN54113 (FASTLY - Fastly, US)

cdn.krxd.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
consumer.krxd.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:4001:81e::2002 (Ireland)

ASN15169 (GOOGLE - Google LLC, US)

www.googletagservices.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
adservice.google.de	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:808::2002 (Ireland)

ASN15169 (GOOGLE - Google LLC, US)

adservice.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 216.58.208.34 (Mountain View, United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra15s12-in-f2.1e100.net

securepubads.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a03:2880:f13d:83:face:b00c:0:25de (Ireland)

ASN32934 (FACEBOOK - Facebook, Inc., US)

www.facebook.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:819::2001 (Ireland)

ASN15169 (GOOGLE - Google LLC, US)

tpc.googlesyndication.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 54.228.214.185 (Dublin, Ireland)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: ec2-54-228-214-185.eu-west-1.compute.amazonaws.com

beacon.krxd.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2.18.233.40 (European Union)

ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US)
PTR: a2-18-233-40.deploy.static.akamaitechnologies.com

s.adroll.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

7 54.247.110.64 (Dublin, Ireland) 6 redirects

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: ec2-54-247-110-64.eu-west-1.compute.amazonaws.com

d.adroll.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 18.184.93.254 (Cambridge, United States) 1 redirects

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: ec2-18-184-93-254.eu-central-1.compute.amazonaws.com

pixel.advertising.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2.18.234.21 (European Union) 1 redirects

ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US)
PTR: a2-18-234-21.deploy.static.akamaitechnologies.com

dsum-sec.casalemedia.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 213.19.162.90 (United Kingdom)

ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US)

pixel.rubiconproject.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 151.101.2.2 (San Francisco, United States)

ASN54113 (FASTLY - Fastly, US)

sync.outbrain.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
trc.taboola.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

9 176.34.190.23 (Dublin, Ireland) 8 redirects

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: ec2-176-34-190-23.eu-west-1.compute.amazonaws.com

d.adroll.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 185.64.189.110 (United Kingdom)

ASN62713 (AS-PUBMATIC - PubMatic, Inc., US)

simage2.pubmatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 52.57.65.48 (Frankfurt, Germany) 1 redirects

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: ec2-52-57-65-48.eu-central-1.compute.amazonaws.com

eb2.3lift.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1288:110:833::4000 (United Kingdom)

ASN34010 (YAHOO-IRD, GB)

ads.yahoo.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 18.153.11.6 (Cambridge, United States) 1 redirects

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: ec2-18-153-11-6.eu-central-1.compute.amazonaws.com

x.bidswitch.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 37.252.172.250 (European Union)

ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US)
PTR: 538.bm-nginx-loadbalancer.mgmt.fra1.adnexus.net

ib.adnxs.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 34.200.62.249 (Ashburn, United States)

ASN14618 (AMAZON-AES - Amazon.com, Inc., US)
PTR: ec2-34-200-62-249.compute-1.amazonaws.com

idsync.rlcdn.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 173.241.240.143 (New York, United States) 1 redirects

ASN36089 (OPENX-AS1 - OPENX TECHNOLOGIES, INC., US)
PTR: ox-173-241-240-143.xa.dc.openx.org

us-u.openx.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 216.58.207.34 (Mountain View, United States) 1 redirects

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra16s24-in-f2.1e100.net

cm.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:200c:8800:5:ae3a:ba00:93a1 (United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)

onetag-geo.s-onetag.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
32	scientificamerican.com 1 redirects blogs.scientificamerican.com static.scientificamerican.com	1008 KB
19	adroll.com 14 redirects s.adroll.com d.adroll.com	25 KB
8	krxd.net cdn.krxd.net consumer.krxd.net beacon.krxd.net	90 KB
6	doubleclick.net 1 redirects stats.g.doubleclick.net securepubads.g.doubleclick.net cm.g.doubleclick.net	88 KB
6	google-analytics.com 2 redirects www.google-analytics.com	36 KB
3	facebook.com www.facebook.com	446 B
3	facebook.net connect.facebook.net	111 KB
3	s-onetag.com get.s-onetag.com beacon.s-onetag.com onetag-geo.s-onetag.com	19 KB
2	openx.net 1 redirects us-u.openx.net	599 B
2	bidswitch.net 1 redirects x.bidswitch.net	1 KB
2	3lift.com 1 redirects eb2.3lift.com	697 B
2	casalemedia.com 1 redirects dsum-sec.casalemedia.com	2 KB
2	advertising.com 1 redirects pixel.advertising.com	647 B
2	googlesyndication.com tpc.googlesyndication.com
2	googletagservices.com www.googletagservices.com	38 KB
2	cookielaw.org cdn.cookielaw.org	19 KB
2	googletagmanager.com www.googletagmanager.com	51 KB
1	rlcdn.com idsync.rlcdn.com	34 B
1	adnxs.com ib.adnxs.com	846 B
1	yahoo.com ads.yahoo.com	341 B
1	taboola.com trc.taboola.com	186 B
1	pubmatic.com simage2.pubmatic.com	817 B
1	outbrain.com sync.outbrain.com	413 B
1	rubiconproject.com pixel.rubiconproject.com	371 B
1	google.com adservice.google.com	171 B
1	google.de adservice.google.de	171 B
1	googleapis.com ajax.googleapis.com	33 KB
1	cloudflare.com cdnjs.cloudflare.com	8 KB
1	fastly.net clarium.global.ssl.fastly.net	20 KB
87	29

	Domain	Requested by
17	blogs.scientificamerican.com	1 redirects blogs.scientificamerican.com cdnjs.cloudflare.com
16	d.adroll.com	14 redirects clarium.global.ssl.fastly.net
15	static.scientificamerican.com	blogs.scientificamerican.com
6	www.google-analytics.com	2 redirects www.googletagmanager.com www.google-analytics.com
3	s.adroll.com	clarium.global.ssl.fastly.net
3	beacon.krxd.net	cdn.krxd.net
3	www.facebook.com	blogs.scientificamerican.com connect.facebook.net
3	securepubads.g.doubleclick.net	clarium.global.ssl.fastly.net cdnjs.cloudflare.com securepubads.g.doubleclick.net
3	cdn.krxd.net	clarium.global.ssl.fastly.net cdn.krxd.net
3	connect.facebook.net	blogs.scientificamerican.com connect.facebook.net
2	us-u.openx.net	1 redirects
2	x.bidswitch.net	1 redirects
2	eb2.3lift.com	1 redirects
2	dsum-sec.casalemedia.com	1 redirects
2	pixel.advertising.com	1 redirects
2	consumer.krxd.net	cdn.krxd.net
2	tpc.googlesyndication.com	clarium.global.ssl.fastly.net
2	www.googletagservices.com	clarium.global.ssl.fastly.net securepubads.g.doubleclick.net
2	stats.g.doubleclick.net	blogs.scientificamerican.com
2	cdn.cookielaw.org	blogs.scientificamerican.com clarium.global.ssl.fastly.net
2	www.googletagmanager.com	blogs.scientificamerican.com www.googletagmanager.com
1	onetag-geo.s-onetag.com	cdnjs.cloudflare.com
1	cm.g.doubleclick.net	1 redirects
1	idsync.rlcdn.com
1	ib.adnxs.com
1	ads.yahoo.com
1	trc.taboola.com
1	simage2.pubmatic.com
1	sync.outbrain.com
1	pixel.rubiconproject.com
1	adservice.google.com	clarium.global.ssl.fastly.net
1	adservice.google.de	clarium.global.ssl.fastly.net
1	ajax.googleapis.com	clarium.global.ssl.fastly.net
1	beacon.s-onetag.com	get.s-onetag.com
1	cdnjs.cloudflare.com	blogs.scientificamerican.com
1	clarium.global.ssl.fastly.net	blogs.scientificamerican.com
1	get.s-onetag.com	blogs.scientificamerican.com
87	37

This site contains links to these domains. Also see Links.

Domain
www.scientificamerican.com
cookiepedia.co.uk
onetrust.com
m.facebook.com
twitter.com
www.reddit.com
commons.wikimedia.org
en.wikipedia.org
www.instagram.com
www.youtube.com
www.facebook.com
rss.sciam.com
static.scientificamerican.com
www.springernature.com

Subject Issuer	Validity	Valid
m2.shared.global.fastly.net GlobalSign CloudSSL CA - SHA256 - G3	`2019-04-09` - `2019-07-17`	3 months	crt.sh
*.google-analytics.com Google Internet Authority G3	`2019-03-26` - `2019-06-18`	3 months	crt.sh
*.s-onetag.com Go Daddy Secure Certificate Authority - G2	`2018-06-19` - `2019-08-18`	a year	crt.sh
sa437gl.wpc.edgecastcdn.net DigiCert SHA2 Secure Server CA	`2018-05-17` - `2020-08-19`	2 years	crt.sh
*.facebook.com DigiCert SHA2 High Assurance Server CA	`2019-03-08` - `2019-06-06`	3 months	crt.sh
*.freetls.global.fastly.net GlobalSign CloudSSL CA - SHA256 - G3	`2019-01-02` - `2020-01-03`	a year	crt.sh
ssl412106.cloudflaressl.com COMODO ECC Domain Validation Secure Server CA 2	`2019-03-02` - `2019-09-08`	6 months	crt.sh
*.g.doubleclick.net Google Internet Authority G3	`2019-03-26` - `2019-06-18`	3 months	crt.sh
*.googleapis.com Google Internet Authority G3	`2019-03-26` - `2019-06-18`	3 months	crt.sh
*.c.ssl.fastly.net GlobalSign CloudSSL CA - SHA256 - G3	`2019-03-29` - `2019-09-27`	6 months	crt.sh
*.google.com Google Internet Authority G3	`2019-03-26` - `2019-06-18`	3 months	crt.sh
tpc.googlesyndication.com Google Internet Authority G3	`2019-03-26` - `2019-06-18`	3 months	crt.sh
*.krxd.net Go Daddy Secure Certificate Authority - G2	`2017-06-12` - `2019-07-11`	2 years	crt.sh
*.adroll.com DigiCert SHA2 Secure Server CA	`2018-12-19` - `2020-03-19`	a year	crt.sh
pixel.advertising.com DigiCert SHA2 High Assurance Server CA	`2017-06-14` - `2020-06-18`	3 years	crt.sh
san.casalemedia.com GeoTrust RSA CA 2018	`2019-01-09` - `2020-03-09`	a year	crt.sh
*.rubiconproject.com DigiCert SHA2 Secure Server CA	`2019-01-10` - `2021-01-14`	2 years	crt.sh
f2.shared.global.fastly.net GlobalSign CloudSSL CA - SHA256 - G3	`2019-04-01` - `2019-09-07`	5 months	crt.sh
*.pubmatic.com COMODO RSA Organization Validation Secure Server CA	`2016-04-12` - `2019-05-27`	3 years	crt.sh
*.3lift.com Amazon	`2018-07-31` - `2019-08-31`	a year	crt.sh
*.ads.yahoo.com DigiCert SHA2 High Assurance Server CA	`2019-01-03` - `2019-07-02`	6 months	crt.sh
*.bidswitch.net Sectigo RSA Domain Validation Secure Server CA	`2019-04-17` - `2020-05-04`	a year	crt.sh
*.adnxs.com DigiCert ECC Secure Server CA	`2019-01-23` - `2021-03-08`	2 years	crt.sh
*.rlcdn.com Sectigo RSA Domain Validation Secure Server CA	`2019-04-24` - `2020-04-23`	a year	crt.sh
*.openx.net DigiCert ECC Secure Server CA	`2019-02-08` - `2020-05-12`	a year	crt.sh

This page contains 3 frames:

Primary Page: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
Frame ID: D974D2BC692931B3E0E158D6EA1FABDC
Requests: 103 HTTP requests in this frame

Frame: https://tpc.googlesyndication.com/safeframe/1-0-32/html/container.html
Frame ID: 6FF872955DF43C82B80775A53603E3C8
Requests: 1 HTTP requests in this frame

Frame: https://www.facebook.com/tr/
Frame ID: 9B4D42A76865E03FD1898159B260AA29
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Detected technologies

Nginx (Web Servers) Expand

Overall confidence: 100%
Detected patterns

headers server /nginx(?:\/([\d.]+))?/i

Varnish (Cache Tools) Expand

Overall confidence: 100%
Detected patterns

headers via /.*Varnish/i

AdRoll (Advertising Networks) Expand

Overall confidence: 100%
Detected patterns

env /^adroll_/i

Facebook (Widgets) Expand

Overall confidence: 100%
Detected patterns

script /\/\/connect\.facebook\.net\/[^\/]*\/[a-z]*\.js/i

Google AdSense (Advertising Networks) Expand

Overall confidence: 100%
Detected patterns

env /^__google_ad_/i
env /^Goog_AdSense_/i

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

script /google-analytics\.com\/(?:ga|urchin|(analytics))\.js/i
env /^gaGlobal$/i

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

env /^googletag$/i
env /^google_tag_manager$/i

Modernizr (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

env /^Modernizr$/i

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

env /^jQuery$/i

Page Statistics

87
Requests

100 %
HTTPS

41 %
IPv6

29
Domains

37
Subdomains

34
IPs

5
Countries

1544 kB
Transfer

3723 kB
Size

14
Cookies

59 Outgoing links

These are links going to different origins than the main page.

URL: https://www.scientificamerican.com/page/privacy-policy/
Title: Privacy Policy

Search URL Search Domain Scan URL

URL: https://cookiepedia.co.uk/giving-consent-to-cookies
Title: More Information

Search URL Search Domain Scan URL

URL: https://onetrust.com/poweredbyonetrust

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/store/subscribe/scientific-american-magazine/
Title: Subscribe

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/
Title: Scientific American

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/store/shopping-cart/
Title: Cart 0

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/my-account/forgot-password/
Title: Forgot password?

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/my-account/register/
Title: Not yet registered?

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/page/newsletter-sign-up/
Title: Stay Informed

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/the-sciences/
Title: The Sciences

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/mind/
Title: Mind

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/health/
Title: Health

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/tech/
Title: Tech

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/sustainability/
Title: Sustainability

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/education/
Title: Education

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/video/
Title: Video

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/podcasts/
Title: Podcasts

Search URL Search Domain Scan URL

URL: https://www.scientificamerican.com/store/
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location: https://pixel.advertising.com/ups/55980/sync?uid=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&_origin=1&gdpr=1&gdpr_consent=BOOla_OOOla_OA2ABBENAkwAAAAXyACAAyAIIA&verify=true
p3p: CP=NOI DSP COR LAW CURa DEVa TAIa PSAa PSDa OUR BUS UNI COM NAV

GET
H/1.1

200
OK

rum
dsum-sec.casalemedia.com/
Redirect Chain

https://d.adroll.com/cm/index/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://dsum-sec.casalemedia.com/rum?cm_dsp_id=105&external_user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&expiration=1588001371
https://dsum-sec.casalemedia.com/rum?cm_dsp_id=105&external_user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&expiration=1588001371&C=1

43 B
898 B

43ms
43ms

Image
image/gif

2.18.234.21
Akamai Technologies

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://dsum-sec.casalemedia.com/rum?cm_dsp_id=105&external_user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&expiration=1588001371&C=1
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2.18.234.21 , European Union, ASN16625 (AKAMAI-AS - Akamai Technologies, Inc., US),
Reverse DNS: a2-18-234-21.deploy.static.akamaitechnologies.com
Software: Apache /
Resource Hash: b1442e85b03bdcaf66dc58c7abb98745dd2687d86350be9a298a1d9382ac849b

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: Apache
P3P: policyref="/w3c/p3p.xml", CP="NOI DSP COR DEVa TAIa OUR BUS UNI"
Cache-Control: max-age=0, no-cache, no-store
Connection: keep-alive
Content-Type: image/gif
Content-Length: 43
Expires: Sun, 28 Apr 2019 15:29:31 GMT

Redirect headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: Apache
P3P: policyref="/w3c/p3p.xml", CP="NOI DSP COR DEVa TAIa OUR BUS UNI"
Location: https://dsum-sec.casalemedia.com/rum?cm_dsp_id=105&external_user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&expiration=1588001371&C=1
Cache-Control: max-age=0, no-cache, no-store
Connection: keep-alive
Content-Type: text/html; charset=iso-8859-1
Content-Length: 333
Expires: Sun, 28 Apr 2019 15:29:31 GMT

GET
H/1.1

200
OK

tap.php
pixel.rubiconproject.com/
Redirect Chain

https://d.adroll.com/cm/n/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://pixel.rubiconproject.com/tap.php?v=194538&nid=3644&put=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&expires=365

42 B
371 B

23ms
22ms

Image
image/gif

213.19.162.90
The Rubicon Project

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pixel.rubiconproject.com/tap.php?v=194538&nid=3644&put=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&expires=365
Protocol: HTTP/1.1
Security: TLS 1.2, RSA, AES_128_GCM
Server: 213.19.162.90 , United Kingdom, ASN26667 (RUBICONPROJECT - The Rubicon Project, Inc., US),
Reverse DNS
Software: Rubicon Project /
Resource Hash: ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: Rubicon Project
P3P: CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT"
Cache-Control: no-cache, no-store, must-revalidate
Connection: keep-alive
Content-Type: image/gif
Content-Length: 42
X-RPHost: mLV7u9Oh3j7QiJ_JpfnQjw
Expires: 0

Redirect headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.14.1
P3P: CP="NON DSP COR CURa PSA PSD OUR BUS NAV STA"
Location: https://pixel.rubiconproject.com/tap.php?v=194538&nid=3644&put=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&expires=365
Cache-Control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Length: 124

GET
H2

200

pixel
sync.outbrain.com/adroll/
Redirect Chain

https://d.adroll.com/cm/outbrain/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://sync.outbrain.com/adroll/pixel?user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY

0
413 B

128ms
106ms

Image
text/plain

151.101.2.2
Fastly

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://sync.outbrain.com/adroll/pixel?user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY

Protocol

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

151.101.2.2 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),

Reverse DNS

Software

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

Name	Value
Strict-Transport-Security	max-age=0; includeSubDomains;

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

strict-transport-security: max-age=0; includeSubDomains;
via: 1.1 varnish, 1.1 varnish
traffic-path: NYDC1, JFK, HHN, Europe1
x-timer: S1556465371.493605,VS0,VE92
date: Sun, 28 Apr 2019 15:29:31 GMT
x-cache: MISS, MISS
status: 200
accept-ranges: bytes, bytes
backend-ip: 104.156.90.38
x-cache-hits: 0, 0
x-traceid: 184aae857f2e27a7579686b46df0ed2
content-length: 0
x-served-by: cache-jfk8138-JFK, cache-hhn1536-HHN

Redirect headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.14.1
P3P: CP="NON DSP COR CURa PSA PSD OUR BUS NAV STA"
Location: https://sync.outbrain.com/adroll/pixel?user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY
Cache-Control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Length: 96

GET
H/1.1

200
OK

Pug
simage2.pubmatic.com/AdServer/
Redirect Chain

https://d.adroll.com/cm/pubmatic/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://simage2.pubmatic.com/AdServer/Pug?vcode=bz0yJnR5cGU9MSZqcz0xJmNvZGU9MzMwNiZ0bD01MjU2MDA&piggybackCookie=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&gdpr=1&gdpr_consent=BOOoKswOOoKswA2ABBENA...

1 B
817 B

24ms
24ms

Image
text/html

185.64.189.110
PubMatic

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://simage2.pubmatic.com/AdServer/Pug?vcode=bz0yJnR5cGU9MSZqcz0xJmNvZGU9MzMwNiZ0bD01MjU2MDA&piggybackCookie=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&gdpr=1&gdpr_consent=BOOoKswOOoKswA2ABBENAkwAAAAXyACACYAIIA
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 185.64.189.110 , United Kingdom, ASN62713 (AS-PUBMATIC - PubMatic, Inc., US),
Reverse DNS
Software: Apache/2.2.24 (Unix) mod_ssl/2.2.24 OpenSSL/1.0.1e-fips mod_fastcgi/2.4.6 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
X-lat: Pug22027:0:448
Server: Apache/2.2.24 (Unix) mod_ssl/2.2.24 OpenSSL/1.0.1e-fips mod_fastcgi/2.4.6
Cache-Control: no-store, no-cache, private
P3P: CP="NOI DSP COR LAW CUR ADMo DEVo TAIo PSAo PSDo IVAo IVDo HISo OTPo OUR SAMo BUS UNI COM NAV INT DEM CNT STA PRE LOC"
X-Cnection: close
Content-Type: text/html; charset=utf-8
Content-Length: 1

Redirect headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.14.1
P3P: CP="NON DSP COR CURa PSA PSD OUR BUS NAV STA"
Location: https://simage2.pubmatic.com/AdServer/Pug?vcode=bz0yJnR5cGU9MSZqcz0xJmNvZGU9MzMwNiZ0bD01MjU2MDA&piggybackCookie=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&gdpr=1&gdpr_consent=BOOoKswOOoKswA2ABBENAkwAAAAXyACACYAIIA
Cache-Control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Length: 220

GET
H2

204

/
trc.taboola.com/sg/adroll-network/1/rtb-h/
Redirect Chain

https://d.adroll.com/cm/taboola/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://trc.taboola.com/sg/adroll-network/1/rtb-h/?taboola_hm=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY

0
186 B

21ms
20ms

Image
text/plain

151.101.2.2
Fastly

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://trc.taboola.com/sg/adroll-network/1/rtb-h/?taboola_hm=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 151.101.2.2 San Francisco, United States, ASN54113 (FASTLY - Fastly, US),
Reverse DNS
Software: nginx /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Sun, 28 Apr 2019 15:29:31 GMT
via: 1.1 varnish
server: nginx
x-timer: S1556465371.489485,VS0,VE8
x-cache: MISS
status: 204
expires: Thu, 01 Jan 1970 00:00:00 GMT
x-cache-hits: 0
accept-ranges: bytes
x-served-by: cache-hhn1536-HHN

Redirect headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.14.1
P3P: CP="NON DSP COR CURa PSA PSD OUR BUS NAV STA"
Location: https://trc.taboola.com/sg/adroll-network/1/rtb-h/?taboola_hm=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY
Cache-Control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Length: 111

GET
H2

200

xuid
eb2.3lift.com/
Redirect Chain

https://d.adroll.com/cm/triplelift/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://eb2.3lift.com/xuid?mid=4714&xuid=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&dongle=c85e
https://eb2.3lift.com/xuid?ld=1&mid=4714&xuid=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&dongle=c85e&gdpr=1&cmp_cs=

37 B
336 B

14ms
13ms

Image
image/gif

52.57.65.48
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://eb2.3lift.com/xuid?ld=1&mid=4714&xuid=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&dongle=c85e&gdpr=1&cmp_cs=
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 52.57.65.48 Frankfurt, Germany, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS: ec2-52-57-65-48.eu-central-1.compute.amazonaws.com
Software: /
Resource Hash: bb229a48bee31f5d54ca12dc9bd960c63a671f0d4be86a054c1d324a44499d96

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status: 200
date: Sun, 28 Apr 2019 15:29:31 GMT
cache-control: no-cache, no-store, must-revalidate
p3p: policyref="http://cdn.3lift.com/w3c/p3p.xml", CP="NON DSP COR NID OUR DEL SAM OTR UNR COM NAV INT DEM CNT STA PRE LOC OTC"
content-length: 37
content-type: image/gif

Redirect headers

status: 302
date: Sun, 28 Apr 2019 15:29:31 GMT
cache-control: no-cache, no-store, must-revalidate
content-length: 0
location: /xuid?ld=1&mid=4714&xuid=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY&dongle=c85e&gdpr=1&cmp_cs=
p3p: policyref="http://cdn.3lift.com/w3c/p3p.xml", CP="NON DSP COR NID OUR DEL SAM OTR UNR COM NAV INT DEM CNT STA PRE LOC OTC"

GET
H/1.1

200
OK

pixel
ads.yahoo.com/
Redirect Chain

https://d.adroll.com/cm/r/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://ads.yahoo.com/pixel?id=2498203&t=2&piggyback=https%3A%2F%2Fads.yahoo.com%2Fcms%2Fv1%3Fesig%3D1~bf4e7dc4546a90c08591652d78a230d3f2ef5733%26nwid%3D10001032567%26sigv%3D1%26gdpr%3D1%26gdpr_con...

0
341 B

136ms
41ms

Image
text/plain

2a00:1288:110:833::4000
YAHOO-IRD

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://ads.yahoo.com/pixel?id=2498203&t=2&piggyback=https%3A%2F%2Fads.yahoo.com%2Fcms%2Fv1%3Fesig%3D1~bf4e7dc4546a90c08591652d78a230d3f2ef5733%26nwid%3D10001032567%26sigv%3D1%26gdpr%3D1%26gdpr_consent%3DBOOla_OOOla_OA2ABBENAkwAAAAXyACAAyAIIA

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_RSA, AES_128_GCM

Server

2a00:1288:110:833::4000 , United Kingdom, ASN34010 (YAHOO-IRD, GB),

Reverse DNS

Software

ATS /

Resource Hash

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date: Sun, 28 Apr 2019 15:29:31 GMT
X-Content-Type-Options: nosniff
Server: ATS
Age: 0
Expect-CT: max-age=31536000, report-uri="http://csp.yahoo.com/beacon/csp?src=yahoocom-expect-ct-report-only"
Strict-Transport-Security: max-age=31536000
Connection: keep-alive
Content-Length: 0
X-XSS-Protection: 1; mode=block

Redirect headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.14.1
P3P: CP="NON DSP COR CURa PSA PSD OUR BUS NAV STA"
Location: https://ads.yahoo.com/pixel?id=2498203&t=2&piggyback=https%3A%2F%2Fads.yahoo.com%2Fcms%2Fv1%3Fesig%3D1~bf4e7dc4546a90c08591652d78a230d3f2ef5733%26nwid%3D10001032567%26sigv%3D1%26gdpr%3D1%26gdpr_consent%3DBOOla_OOOla_OA2ABBENAkwAAAAXyACAAyAIIA
Cache-Control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Length: 248

GET
H/1.1

200
OK

sync
x.bidswitch.net/ul_cb/
Redirect Chain

https://d.adroll.com/cm/b/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://x.bidswitch.net/sync?dsp_id=44&user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY
https://x.bidswitch.net/ul_cb/sync?dsp_id=44&user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY

43 B
575 B

33ms
32ms

Image
image/gif

18.153.11.6
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://x.bidswitch.net/ul_cb/sync?dsp_id=44&user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 18.153.11.6 Cambridge, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS: ec2-18-153-11-6.eu-central-1.compute.amazonaws.com
Software: nginx/1.12.0 /
Resource Hash: 548f2d6f4d0d820c6c5ffbeffcbd7f0e73193e2932eefe542accc84762deec87

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.12.0
P3P: CP="NOI DSP COR NID CURa ADMa DEVa PSAa PSDa OUR BUS COM INT OTC PUR STA"
Cache-Control: no-cache, no-store, must-revalidate
Connection: keep-alive
Content-Type: image/gif
Keep-Alive: timeout=10
Content-Length: 43

Redirect headers

Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.12.0
P3P: CP="NOI DSP COR NID CURa ADMa DEVa PSAa PSDa OUR BUS COM INT OTC PUR STA"
Location: https://x.bidswitch.net/ul_cb/sync?dsp_id=44&user_id=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY
Cache-Control: no-cache, no-store, must-revalidate
Connection: keep-alive
Keep-Alive: timeout=10
Content-Length: 0

GET
H/1.1

200
OK

setuid
ib.adnxs.com/
Redirect Chain

https://d.adroll.com/cm/x/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://ib.adnxs.com/setuid?entity=172&code=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY

43 B
846 B

52ms
13ms

Image
image/gif

37.252.172.250
AppNexus

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://ib.adnxs.com/setuid?entity=172&code=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_ECDSA, AES_128_GCM

Server

37.252.172.250 , European Union, ASN29990 (ASN-APPNEXUS - AppNexus, Inc, US),

Reverse DNS

538.bm-nginx-loadbalancer.mgmt.fra1.adnexus.net

Software

nginx/1.13.4 /

Resource Hash

4b5b6b15c6255109e06720cce42a06d3aead8b7874423d9c52cb0303212c25ef

Security Headers

Name	Value
X-Xss-Protection	0

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:33 GMT
AN-X-Request-Uuid: b3ebc107-2544-4797-ad35-18f02fb2b7bb
Content-Type: image/gif
Server: nginx/1.13.4
P3P: policyref="http://cdn.adnxs.com/w3c/policy/p3p.xml", CP="NOI DSP COR ADM PSAo PSDo OURo SAMo UNRo OTRo BUS COM NAV DEM STA PRE"
Cache-Control: no-store, no-cache, private
Connection: keep-alive
X-Proxy-Origin: 83.97.23.37; 83.97.23.37; 538.bm-nginx-loadbalancer.mgmt.fra1; *.adnxs.com; 37.252.172.254:80
Content-Length: 43
X-XSS-Protection: 0
Expires: Sat, 15 Nov 2008 16:00:00 GMT

Redirect headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.14.1
P3P: CP="NON DSP COR CURa PSA PSD OUR BUS NAV STA"
Location: https://ib.adnxs.com/setuid?entity=172&code=MjUwNzEzYWY1NTQzOTIxYzY0NDM1OTIwZWNkMWYwZWY
Cache-Control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Length: 93

GET
H2

204

377928.gif
idsync.rlcdn.com/
Redirect Chain

https://d.adroll.com/cm/l/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://idsync.rlcdn.com/377928.gif?partner_uid=250713af5543921c64435920ecd1f0ef

0
34 B

319ms
105ms

Image
text/plain

34.200.62.249
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://idsync.rlcdn.com/377928.gif?partner_uid=250713af5543921c64435920ecd1f0ef
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 34.200.62.249 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS: ec2-34-200-62-249.compute-1.amazonaws.com
Software: /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status: 204
date: Sun, 28 Apr 2019 15:29:31 GMT

Redirect headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.14.1
P3P: CP="NON DSP COR CURa PSA PSD OUR BUS NAV STA"
Location: https://idsync.rlcdn.com/377928.gif?partner_uid=250713af5543921c64435920ecd1f0ef
Cache-Control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Length: 86

GET
H2

200

sd
us-u.openx.net/w/1.0/
Redirect Chain

https://d.adroll.com/cm/o/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR
https://us-u.openx.net/w/1.0/sd?id=537103138&val=250713af5543921c64435920ecd1f0ef
https://us-u.openx.net/w/1.0/sd?cc=1&id=537103138&val=250713af5543921c64435920ecd1f0ef

43 B
256 B

28ms
27ms

Image
image/gif

173.241.240.143
OPENX TECHNOLOGIES

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://us-u.openx.net/w/1.0/sd?cc=1&id=537103138&val=250713af5543921c64435920ecd1f0ef
Protocol: H2
Security: TLS 1.3, , AES_256_GCM
Server: 173.241.240.143 New York, United States, ASN36089 (OPENX-AS1 - OPENX TECHNOLOGIES, INC., US),
Reverse DNS: ox-173-241-240-143.xa.dc.openx.org
Software: OXGW/16.134.0 /
Resource Hash: 4e0705327480ad2323cb03d9c450ffcae4a98bf3a5382fa0c7882145ed620e49

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

pragma: no-cache
date: Sun, 28 Apr 2019 15:29:31 GMT
server: OXGW/16.134.0
vary: Accept
p3p: CP="CUR ADM OUR NOR STA NID"
status: 200
cache-control: private, max-age=0, no-cache
content-type: image/gif
content-length: 43
expires: Mon, 26 Jul 1997 05:00:00 GMT

Redirect headers

status: 302
date: Sun, 28 Apr 2019 15:29:31 GMT
server: OXGW/16.134.0
content-length: 0
location: https://us-u.openx.net/w/1.0/sd?cc=1&id=537103138&val=250713af5543921c64435920ecd1f0ef
p3p: CP="CUR ADM OUR NOR STA NID"

GET
H/1.1

200
OK

in
d.adroll.com/cm/g/
Redirect Chain

https://d.adroll.com/cm/g/out?advertisable=SQHBPA22ABH4RPJPCTQ7JR&google_nid=adroll5
https://cm.g.doubleclick.net/pixel?google_sc&google_nid=artb&google_hm=JQcTr1VDkhxkQ1kg7NHw7w&google_ula=1535926
https://d.adroll.com/cm/g/in?google_ula=1535926,0

42 B
510 B

38ms
37ms

Image
image/gif

176.34.190.23
Amazon.com

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://d.adroll.com/cm/g/in?google_ula=1535926,0
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 176.34.190.23 Dublin, Ireland, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS: ec2-176-34-190-23.eu-west-1.compute.amazonaws.com
Software: nginx/1.14.1 /
Resource Hash: ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Pragma: no-cache
Date: Sun, 28 Apr 2019 15:29:31 GMT
Server: nginx/1.14.1
P3P: CP="NON DSP COR CURa PSA PSD OUR BUS NAV STA"
Cache-Control: no-store, no-cache, must-revalidate
Connection: keep-alive
Content-Type: image/gif
Content-Length: 42
X-Result: g.-1.-1.1535926.0.-1

Redirect headers

pragma: no-cache
date: Sun, 28 Apr 2019 15:29:31 GMT
server: HTTP server (unknown)
location: https://d.adroll.com/cm/g/in?google_ula=1535926,0
p3p: policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status: 302
cache-control: no-cache, must-revalidate
content-type: text/html; charset=UTF-8
alt-svc: quic="googleads.g.doubleclick.net:443"; ma=2592000; v="46,44,43,39",quic=":443"; ma=2592000; v="46,44,43,39"
content-length: 246
x-xss-protection: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H2 200 /
www.facebook.com/tr/ 44 B
122 B 13ms
12ms Image
image/gif 2a03:2880:f13d:83:face:b00c:0:25de
Facebook

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.facebook.com/tr/?id=1792560907631477&ev=PageView&dl=https%3A%2F%2Fblogs.scientificamerican.com%2Froots-of-unity%2Fthe-saddest-thing-i-know-about-the-integers%2F&rl=&if=false&ts=1556465371465&cd[segment_eid]=F6ISQKH25ZH6LLHPBQSLUT&sw=1600&sh=1200&v=next&r=canary&ec=0&o=29&ttf=1621.2099939584732&tts=532.7749997377396&ttse=764.4849941134453&fbp=fb.1.1556465370605.1915758872&it=1556465370379&coo=false&rqm=GET

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a03:2880:f13d:83:face:b00c:0:25de , Ireland, ASN32934 (FACEBOOK - Facebook, Inc., US),

Reverse DNS

Software

proxygen-bolt /

Resource Hash

10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

date: Sun, 28 Apr 2019 15:29:31 GMT
last-modified: Fri, 21 Dec 2012 00:00:01 GMT
server: proxygen-bolt
strict-transport-security: max-age=31536000; includeSubDomains
content-type: image/gif
status: 200
cache-control: no-cache, must-revalidate, max-age=0
content-length: 44
expires: Sun, 28 Apr 2019 15:29:31 GMT

GET
H/1.1 200
OK optout_check Show response
beacon.krxd.net/ 82 B
335 B 38ms
37ms Script
text/javascript 54.228.214.185
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://beacon.krxd.net/optout_check?callback=Krux.ns.macmillan.kxjsonp_optOutCheck
Requested by: Host: cdn.krxd.net
URL: https://cdn.krxd.net/ctjs/controltag.js.9791902f4f5b02b08a4a694e7fe1b073
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 54.228.214.185 Dublin, Ireland, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS: ec2-54-228-214-185.eu-west-1.compute.amazonaws.com
Software: /
Resource Hash: deeb3687ab0b2e5dd32535a2f5df0ab2f4ea3dbac94f174ca064c27faf43976a

Request headers

Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

Date: Sun, 28 Apr 2019 15:29:31 GMT
Cache-Control: private, max-age=0, s-max-age=0
X-Request-Time: D=49 t=1556465371
Connection: keep-alive
X-Served-By: beacon-n029-dub.krxd.net
Content-Length: 82
Content-Type: text/javascript

GET
H2 200 / Show response
onetag-geo.s-onetag.com/ 23 B
397 B 58ms
15ms XHR
application/json 2600:9000:200c:8800:5:ae3a:ba00:93a1
Amazon.com

General

Check archive.org

Show headers Download Go to

Full URL: https://onetag-geo.s-onetag.com/
Requested by: Host: cdnjs.cloudflare.com
URL: https://cdnjs.cloudflare.com/ajax/libs/airbrake-js/1.0.7/client.min.js
Protocol: H2
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 2600:9000:200c:8800:5:ae3a:ba00:93a1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
Software: /
Resource Hash: ad16e1b37490fca28df99d039d6373d2fee4d894fcd279d95b90ae872f4d860f

Request headers

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Referer: https://blogs.scientificamerican.com/roots-of-unity/the-saddest-thing-i-know-about-the-integers/
Origin: https://blogs.scientificamerican.com

Response headers

date: Sun, 28 Apr 2019 14:55:16 GMT
via: 1.1 16ba4fd291c7ac4ec424fdbac7065ef1.cloudfront.net (CloudFront), 1.1 42eda27a8f21acb511ddb91858ee5d5b.cloudfront.net (CloudFront)
age: 2064
x-amzn-requestid: a273e9c1-69c5-11e9-a3b4-c7c38bf7a9ee
status: 200
x-cache: Hit from cloudfront
content-type: application/json
access-control-allow-origin: *
cache-control: max-age=3600
x-amz-apigw-id: Y2rBOEFNyK4FjPw=
content-length: 23
x-amz-cf-id: zwwK9G4coMAD_zrYXbtFNwMrnOkW681xLXeIw7ba8WyxC-3KCGu_Aw==

Verdicts & Comments Add Verdict or Comment

144 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

14 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.scientificamerican.com/	1970-01-19 09:06:41	Name: OptanonConsent Value: landingPath=https%3A%2F%2Fblogs.scientificamerican.com%2Froots-of-unity%2Fthe-saddest-thing-i-know-about-the-integers%2F&datestamp=Sun+Apr+28+2019+15%3A29%3A30+GMT%2B0000+(Coordinated+Universal+Time)&version=3.6.25&groups=1%3A1%2C2%3A1%2C3%3A1%2C4%3A1%2C0_139560%3A1%2C101%3A1%2C102%3A1%2C103%3A1%2C104%3A1%2C105%3A1%2C106%3A1%2C107%3A1%2C108%3A1%2C109%3A1%2C110%3A1%2C111%3A1%2C112%3A1%2C113%3A1%2C114%3A1
blogs.scientificamerican.com/	1970-01-19 00:21:36	Name: kxmacmillan_visits Value: 1
blogs.scientificamerican.com/	1970-01-19 00:21:07	Name: kxmacmillan_cache_a2635f949ec4ea4ee6e2254af1336d242116406b Value: ee4d7c1adc7e1b4e89b23ea7aeed2560c867511a
.scientificamerican.com/	1970-01-19 01:04:17	Name: spw_l Value: ["7CEF51F8-6678-4A90-B17F1FEF36059166"]
.scientificamerican.com/	1970-01-19 02:30:41	Name: _fbp Value: fb.1.1556465370605.1915758872
.scientificamerican.com/	1970-01-19 00:22:31	Name: SA_fonts_loaded Value: 0,1,2,4,3,
.scientificamerican.com/	1970-01-19 01:04:17	Name: spw_rem Value: 2
blogs.scientificamerican.com/	1970-01-19 04:40:17	Name: kxmacmillan_fp Value: ee4d7c1adc7e1b4e89b23ea7aeed2560c867511a
.scientificamerican.com/	1970-01-19 00:22:31	Name: _gid Value: GA1.2.1877948971.1556465370
.scientificamerican.com/	1970-01-19 00:21:05	Name: _gat_gtag_UA_78636218_1 Value: 1
.scientificamerican.com/	1970-01-19 01:04:17	Name: spw_ts Value: 1556465370412
blogs.scientificamerican.com/	1970-01-19 00:28:17	Name: toaster_loaded Value: true
.scientificamerican.com/	1970-01-19 17:52:17	Name: _ga Value: GA1.2.1208643983.1556465370
.scientificamerican.com/	1970-01-19 02:30:41	Name: _gcl_au Value: 1.1.1763824474.1556465370

1 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
console-api	error	URL: https://cdnjs.cloudflare.com/ajax/libs/airbrake-js/1.0.7/client.min.js(Line 2) Message: [object Object]

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
Strict-Transport-Security	max-age=31536000
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

ads.yahoo.com
adservice.google.com
adservice.google.de
ajax.googleapis.com
beacon.krxd.net
beacon.s-onetag.com
blogs.scientificamerican.com
cdn.cookielaw.org
cdn.krxd.net
cdnjs.cloudflare.com
clarium.global.ssl.fastly.net
cm.g.doubleclick.net
connect.facebook.net
consumer.krxd.net
d.adroll.com
dsum-sec.casalemedia.com
eb2.3lift.com
get.s-onetag.com
ib.adnxs.com
idsync.rlcdn.com
onetag-geo.s-onetag.com
pixel.advertising.com
pixel.rubiconproject.com
s.adroll.com
securepubads.g.doubleclick.net
simage2.pubmatic.com
static.scientificamerican.com
stats.g.doubleclick.net
sync.outbrain.com
tpc.googlesyndication.com
trc.taboola.com
us-u.openx.net
www.facebook.com
www.google-analytics.com
www.googletagmanager.com
www.googletagservices.com
x.bidswitch.net
151.101.0.175
151.101.1.194
151.101.2.2
151.101.2.49
152.195.132.202
173.241.240.143
176.34.190.23
18.153.11.6
18.184.93.254
185.64.189.110
2.18.233.40
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213.19.162.90
216.58.207.34
216.58.208.34
2600:9000:200c:3200:1f:287:d208:7ea1
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2a00:1288:110:833::4000
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2a03:2880:f03d:1c:face:b00c:0:3
2a03:2880:f13d:83:face:b00c:0:25de
34.200.62.249
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blogs.scientificamerican.com Open in urlscan Pro 151.101.2.49 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Detected technologies

Page Statistics

87 Requests

100 %HTTPS

41 %IPv6

29 Domains

37 Subdomains

34 IPs

5 Countries

1544 kBTransfer

3723 kBSize

14 Cookies

59 Outgoing links

Redirected requests

87 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 18 data transactions

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blogs.scientificamerican.com Open in urlscan Pro
151.101.2.49 Public Scan

Screenshot
Live screenshot

Full Image

87
Requests

100 %
HTTPS

41 %
IPv6

29
Domains

37
Subdomains

34
IPs

5
Countries

1544 kB
Transfer

3723 kB
Size

14
Cookies

87 HTTP transactions
18 data transactions