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pragprog.com Open in urlscan Pro
23.23.199.173  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://u263683.ct.sendgrid.net/wf/click?upn=w-2BN7a-2FW4zR15pKtULc4RGx-2FMDdOzLYdYvx51p8ALsuAGldWvJSFeHPZvTFIw5Mbc-2Bw47lUElzqG...
Effective URL: https://pragprog.com/
Submission: On July 25 via api from BE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 7 IPs in 4 countries across 7 domains to perform 19 HTTP transactions. The main IP is 23.23.199.173, located in Ashburn, United States and belongs to AMAZON-AES - Amazon.com, Inc., US. The main domain is pragprog.com.
TLS certificate: Issued by DigiCert SHA2 Secure Server CA on May 15th 2017. Valid for: 2 years.
This is the only time pragprog.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 167.89.118.35 11377 (SENDGRID)
4 9 23.23.199.173 14618 (AMAZON-AES)
1 2a00:1450:400... 15169 (GOOGLE)
8 50.18.184.86 16509 (AMAZON-02)
1 23.38.61.135 20940 (AKAMAI-ASN1)
2 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
19 7
1    167.89.118.35 (United States)

ASN11377 (SENDGRID - SendGrid, Inc., US)
PTR: o16789118x35.outbound-mail.sendgrid.net
u263683.ct.sendgrid.net
9    23.23.199.173 (Ashburn, United States)

ASN14618 (AMAZON-AES - Amazon.com, Inc., US)
PTR: ec2-23-23-199-173.compute-1.amazonaws.com
pragprog.com
www.pragprog.com
1    2a00:1450:4001:815::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE - Google LLC, US)
fonts.googleapis.com
8    50.18.184.86 (San Jose, United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)
PTR: ec2-50-18-184-86.us-west-1.compute.amazonaws.com
imagery.pragprog.com
1    23.38.61.135 (Netherlands)

ASN20940 (AKAMAI-ASN1, US)
PTR: a23-38-61-135.deploy.static.akamaitechnologies.com
js.braintreegateway.com
2    2a00:1450:400c:c06::9a (Brussels, Belgium)

ASN15169 (GOOGLE - Google LLC, US)
stats.g.doubleclick.net
1    2a00:1450:4001:816::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE - Google LLC, US)
fonts.gstatic.com
Domain Requested by
8 imagery.pragprog.com pragprog.com
8 pragprog.com 3 redirects pragprog.com
2 stats.g.doubleclick.net pragprog.com
1 fonts.gstatic.com pragprog.com
1 js.braintreegateway.com pragprog.com
1 fonts.googleapis.com pragprog.com
1 www.pragprog.com 1 redirects
1 u263683.ct.sendgrid.net 1 redirects
0 js-agent.newrelic.com Failed pragprog.com
19 9

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

Domain
forums.pragprog.com
pragmaticstudio.com
write-for-us.pragprog.com
twitter.com
www.youtube.com
Subject Issuer Validity Valid
*.pragprog.com
DigiCert SHA2 Secure Server CA		 2017-05-15 -
2019-09-18		 2 years crt.sh
*.googleapis.com
Google Internet Authority G3		 2019-06-18 -
2019-09-10		 3 months crt.sh
checkout.paypal.com
DigiCert SHA2 Extended Validation Server CA		 2017-05-26 -
2019-08-22		 2 years crt.sh
*.g.doubleclick.net
Google Internet Authority G3		 2019-06-18 -
2019-09-10		 3 months crt.sh
*.google.com
Google Internet Authority G3		 2019-06-18 -
2019-09-10		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://pragprog.com/
Frame ID: 7B53FBA901D0B4B402E7236C28B82D45
Requests: 19 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. https://u263683.ct.sendgrid.net/wf/click?upn=w-2BN7a-2FW4zR15pKtULc4RGx-2FMDdOzLYdYvx51p8ALsuAGldWvJSFeHPZvT... HTTP 302
    http://pragprog.com/refer/news_2019-07-24_html_TemplateTop/index.html HTTP 302
    https://pragprog.com/refer/news_2019-07-24_html_TemplateTop/index.html HTTP 302
    https://pragprog.com/index.html HTTP 302
    https://www.pragprog.com/ HTTP 301
    https://pragprog.com/ Page URL

Detected technologies

Overall confidence: 50%
Detected patterns
  • meta csrf-param /^authenticity_token$/i
Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i
Overall confidence: 50%
Detected patterns
  • meta csrf-param /^authenticity_token$/i
Overall confidence: 100%
Detected patterns
  • html /<link[^>]+foundation[^>"]+css/i
Overall confidence: 100%
Detected patterns
  • headers server /Phusion Passenger ([\d.]+)/i
Overall confidence: 100%
Detected patterns
  • html /<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com/i
Overall confidence: 100%
Detected patterns
  • script /([\d.]+)?\/modernizr(?:.([\d.]+))?.*\.js/i

Page Statistics

19
Requests

95 %
HTTPS

43 %
IPv6

7
Domains

9
Subdomains

7
IPs

4
Countries

511 kB
Transfer

1403 kB
Size

0
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://u263683.ct.sendgrid.net/wf/click?upn=w-2BN7a-2FW4zR15pKtULc4RGx-2FMDdOzLYdYvx51p8ALsuAGldWvJSFeHPZvTFIw5Mbc-2Bw47lUElzqGeLMt9PQC2VAInGJ6DL3fuIDPGj4YtyW4-3D_2o4dxt9RamsUIbAutb-2FMAGIc9bozr6LfU8tV9FMJcvncyRqrnQSL1gqwmStcJunyS0U8U62aJ-2B0GnnVw0FK5dk-2BwnRqnfISt1VzZ4yAOujwx-2B02ImGBvXT4gG6LQLMA0jl6X1dJmcqHXHOrhdRanV0s4CIPcjdrl6gEDiHd-2FpKhvvd17jtxs6jDtZ8VU2nnrRuVQfFcoaROUFeIXbaBiE-2FqAbbhbi5JKCqHmRhz4aN9u6fpdEKIoeN2fk08dmIYMB81m7hhHaEdeW8MaTow-2BpgqzDtjyvTNqRWc-2FHVXJyclRyyQG9THO59aE-2BwLOIV-2BpDIY7zSueiMR8yQVTZxGRDJtZdainjIRlb3l0Pkx2ULTqqlF3lsV-2B13xxeGaTYGggg901bFF4J3SghdSpqOwHdzDynD1pb0CE4Aq-2F2JuFAfU-3D HTTP 302
    http://pragprog.com/refer/news_2019-07-24_html_TemplateTop/index.html HTTP 302
    https://pragprog.com/refer/news_2019-07-24_html_TemplateTop/index.html HTTP 302
    https://pragprog.com/index.html HTTP 302
    https://www.pragprog.com/ HTTP 301
    https://pragprog.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

19 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
pragprog.com/
Redirect Chain
  • https://u263683.ct.sendgrid.net/wf/click?upn=w-2BN7a-2FW4zR15pKtULc4RGx-2FMDdOzLYdYvx51p8ALsuAGldWvJSFeHPZvTFIw5Mbc-2Bw47lUElzqGeLMt9PQC2VAInGJ6DL3fuIDPGj4YtyW4-3D_2o4dxt9RamsUIbAutb-2FMAGIc9bozr6L...
  • http://pragprog.com/refer/news_2019-07-24_html_TemplateTop/index.html
  • https://pragprog.com/refer/news_2019-07-24_html_TemplateTop/index.html
  • https://pragprog.com/index.html
  • https://www.pragprog.com/
  • https://pragprog.com/
40 KB
15 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.23.199.173 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS
ec2-23-23-199-173.compute-1.amazonaws.com
Software
nginx + Phusion Passenger 5.0.27 / Phusion Passenger 5.0.27
Resource Hash
ac0fffeb3617595f8fa7635498fdc0ac3f51dfed50c3d87151b6b30daf4bd590
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Frame-Options DENY
X-Xss-Protection 1;

Request headers

Host
pragprog.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3
Accept-Encoding
gzip, deflate, br
Cookie
_prag_production_session32=BAh7B0kiD3Nlc3Npb25faWQGOgZFVEkiJTkxZWIyNDZhY2NiZjYyNWQwOWU1MGVjNTQyM2VhZjBhBjsAVEkiEF9jc3JmX3Rva2VuBjsARkkiMXVjUEt3RzJmUENNeGZtTTNpRlUyZklqYU9NQk9aUWE1dzAxdEVVU1NZU0U9BjsARg%3D%3D--ad431fc92edd55ac331901e7af8b351cb9cf0510; referral=2870523; __utma=7299699.1487889461.1564084233.1564084233.1564084233.1; __utmc=7299699; __utmz=7299699.1564084233.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); __utmt=1; __utmb=7299699.1.10.1564084233
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Content-Encoding
gzip
Content-Type
text/html; charset=utf-8
Date
Thu, 25 Jul 2019 19:50:34 GMT
Server
nginx + Phusion Passenger 5.0.27
Status
200 OK
Strict-Transport-Security
max-age=31536000; includeSubDomains
X-app-info
Unknown@localhost@190723203319-2.1.2
X-Frame-Options
DENY
X-Powered-By
Phusion Passenger 5.0.27
X-Request-Id
adc5c0987af62f84ce03cb5961dfb4ad
X-Runtime
0.025529
X-UA-Compatible
IE=Edge,chrome=1
X-XRDS-Location
https://pragprog.com/pragprog.xrds
X-XSS-Protection
1;
transfer-encoding
chunked
Connection
keep-alive

Redirect headers

Content-Type
text/html
Date
Thu, 25 Jul 2019 19:50:33 GMT
Location
https://pragprog.com/
Server
nginx/1.8.1
Content-Length
184
Connection
keep-alive
modernizr-ff9b87cb63ff1ddf96f98cde7b915abd.js
pragprog.com/assets/vendor/ 		12 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://pragprog.com/assets/vendor/modernizr-ff9b87cb63ff1ddf96f98cde7b915abd.js
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.23.199.173 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS
ec2-23-23-199-173.compute-1.amazonaws.com
Software
nginx /
Resource Hash
5b8ef9f987e04c44688933d668d98bd9f70546fdad40ce1d03422f5ed7eca5ec

Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Date
Thu, 25 Jul 2019 19:50:34 GMT
Content-Encoding
gzip
Last-Modified
Wed, 26 Aug 2015 16:00:51 GMT
Server
nginx
ETag
"55dde2b3-1352"
Content-Type
application/javascript
Cache-Control
max-age=315360000
Connection
keep-alive
Content-Length
4946
Expires
Thu, 31 Dec 2037 23:55:55 GMT
pip-foundation-404b73cb747d6a60feebbf23032560a0.css
pragprog.com/assets/ 		318 KB
46 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://pragprog.com/assets/pip-foundation-404b73cb747d6a60feebbf23032560a0.css
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.23.199.173 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS
ec2-23-23-199-173.compute-1.amazonaws.com
Software
nginx /
Resource Hash
acda1c0672ae8289082770e4febef313336c33ef4ba27ad6979cc00ba90b4ffb

Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Date
Thu, 25 Jul 2019 19:50:34 GMT
Content-Encoding
gzip
Last-Modified
Sat, 20 Jul 2019 16:52:20 GMT
Server
nginx
ETag
"5d3346c4-b503"
Content-Type
text/css
Cache-Control
max-age=315360000
Connection
keep-alive
Content-Length
46339
Expires
Thu, 31 Dec 2037 23:55:55 GMT
css
fonts.googleapis.com/ 		3 KB
648 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Noto+Sans
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:815::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
ESF /
Resource Hash
72d29524187edb426ffe7138b789ea1712f21531420b9c4d9b0eed568384bb88
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Thu, 25 Jul 2019 19:50:34 GMT
server
ESF
access-control-allow-origin
*
date
Thu, 25 Jul 2019 19:50:34 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
status
200
alt-svc
quic=":443"; ma=2592000; v="46,43,39"
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
x-xss-protection
0
expires
Thu, 25 Jul 2019 19:50:34 GMT
czflutr_xlargebeta.jpg
imagery.pragprog.com/products/578/ 		23 KB
23 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://imagery.pragprog.com/products/578/czflutr_xlargebeta.jpg?1560360708
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
50.18.184.86 San Jose, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-50-18-184-86.us-west-1.compute.amazonaws.com
Software
imagery3 /
Resource Hash
bb52412fc940a0866e3b4ad2bb5a6d12967ba80c230654c86b1e7f5264e2c55a

Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Date
Thu, 25 Jul 2019 19:34:10 GMT
Via
1.1 varnish
Age
801052
X_AMZ_ID_2
bUoiE86fbbX0d/STenLsxDlRrg5w3CUCkmAdXjh/8zlVo9ZwdrTKgzQ2kKWyXvHOUiHhG29FuF0=
Connection
keep-alive
Content-Length
23403
X_AMZ_REQUEST_ID
D4EA6B37AE9E2D81
Server
imagery3
Cache-Control
public max-age=315360000
ETAG
"324d50a79873befd9fe42415dcb66a19"
ACCEPT_RANGES
bytes
X-Varnish
305623518 303996653
CONTENT_LENGTH
1343318
LAST_MODIFIED
Wed, 12 Jun 2019 17:31:49 GMT
Accept-Ranges
bytes
Expires
Thu, 31 Dec 2037 23:55:55 GMT
jfelm_largecover.jpg
imagery.pragprog.com/products/534/ 		9 KB
10 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://imagery.pragprog.com/products/534/jfelm_largecover.jpg?1512503249
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
50.18.184.86 San Jose, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-50-18-184-86.us-west-1.compute.amazonaws.com
Software
imagery3 /
Resource Hash
114d261854f3c2989cb712f5dbb666b9b678b4b12800a41f68ab1fe34425c0aa

Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Date
Thu, 25 Jul 2019 19:34:10 GMT
Via
1.1 varnish
Age
2072611
X_AMZ_ID_2
nhsORGdNqCT6TE/P0xVHH5VXBrj72+Hg8D3MfPNTMUZ2S+ftmUSh5BPYqbU2iRLPUHhJGnIC7LU=
Connection
keep-alive
Content-Length
9302
X_AMZ_REQUEST_ID
9D3319B11180C414
Server
imagery3
Cache-Control
public max-age=315360000
ETAG
"c82f53987b428ed596151063e4b9bb45"
ACCEPT_RANGES
bytes
X-Varnish
305623517 302239430
CONTENT_LENGTH
1770920
LAST_MODIFIED
Tue, 05 Dec 2017 19:47:30 GMT
Accept-Ranges
bytes
Expires
Thu, 31 Dec 2037 23:55:55 GMT
egmicro_largebeta.jpg
imagery.pragprog.com/products/561/ 		11 KB
12 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://imagery.pragprog.com/products/561/egmicro_largebeta.jpg?1555793257
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
50.18.184.86 San Jose, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-50-18-184-86.us-west-1.compute.amazonaws.com
Software
imagery3 /
Resource Hash
5a2ba8757357a08888c1d3a64b348dbe649fdbd007a6a03129a9403c374e13ab

Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Date
Thu, 25 Jul 2019 19:34:11 GMT
Via
1.1 varnish
Age
2664445
X_AMZ_ID_2
gcDb41lHwSJvB2rVXnrCXjhVX7HgglU5sgxor22tRivqjiNqVrZTEAvKoD4OKGNibi88N2ABrLE=
Connection
keep-alive
Content-Length
11483
X_AMZ_REQUEST_ID
9B6EF8E40CE05F8D
Server
imagery3
Cache-Control
public max-age=315360000
ETAG
"0c90a52740575efaca6b1fa03d504d5f"
ACCEPT_RANGES
bytes
X-Varnish
305623522 301445154
CONTENT_LENGTH
677487
LAST_MODIFIED
Sat, 20 Apr 2019 20:47:38 GMT
Accept-Ranges
bytes
Expires
Thu, 31 Dec 2037 23:55:55 GMT
actb2_largecover.jpg
imagery.pragprog.com/products/571/ 		9 KB
9 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://imagery.pragprog.com/products/571/actb2_largecover.jpg?1544113784
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
50.18.184.86 San Jose, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-50-18-184-86.us-west-1.compute.amazonaws.com
Software
imagery3 /
Resource Hash
c3e3ad5c821e809adc1a97a18e25108727a6bdbedc8f0141ed0df380fd44987c

Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Date
Thu, 25 Jul 2019 19:34:10 GMT
Via
1.1 varnish
Age
3554371
X_AMZ_ID_2
DDOYjJSQpw+sabIu/MDCs2chaGiSKgpni+Xj6NODwGGwmMe7cyWQfUNUp8yiuArAaUptz7/QaP8=
Connection
keep-alive
Content-Length
9029
X_AMZ_REQUEST_ID
2921F834646528B6
Server
imagery3
Cache-Control
public max-age=315360000
ETAG
"9361f58bf071999f9fe9ed7aeadbd5f9"
ACCEPT_RANGES
bytes
X-Varnish
305623519 300389841
CONTENT_LENGTH
657844
LAST_MODIFIED
Thu, 06 Dec 2018 16:29:45 GMT
Accept-Ranges
bytes
Expires
Thu, 31 Dec 2037 23:55:55 GMT
dswdcloj3_largebeta.jpg
imagery.pragprog.com/products/564/ 		16 KB
17 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://imagery.pragprog.com/products/564/dswdcloj3_largebeta.jpg?1555622112
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
50.18.184.86 San Jose, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
Reverse DNS
ec2-50-18-184-86.us-west-1.compute.amazonaws.com
Software
imagery3 /
Resource Hash
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Request headers

Referer
https://pragprog.com/
User-Agent
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Response headers

Date
Thu, 25 Jul 2019 19:34:10 GMT
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1.1 varnish
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Expires
Thu, 31 Dec 2037 23:55:55 GMT
dpchat_largecover.jpg
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General
Check archive.org
Download Go to Show image
Full URL
https://imagery.pragprog.com/products/539/dpchat_largecover.jpg?1536678760
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
50.18.184.86 San Jose, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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Software
imagery3 /
Resource Hash
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Request headers

Referer
https://pragprog.com/
User-Agent
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Response headers

Date
Thu, 25 Jul 2019 19:34:10 GMT
Via
1.1 varnish
Age
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Expires
Thu, 31 Dec 2037 23:55:55 GMT
bhcldev_largecover.jpg
imagery.pragprog.com/products/537/ 		19 KB
20 KB 		Image
General
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Full URL
https://imagery.pragprog.com/products/537/bhcldev_largecover.jpg?1549565362
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
50.18.184.86 San Jose, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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Request headers

Referer
https://pragprog.com/
User-Agent
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Response headers

Date
Thu, 25 Jul 2019 19:34:09 GMT
Via
1.1 varnish
Age
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Expires
Thu, 31 Dec 2037 23:55:55 GMT
tpp20_xlargebeta.jpg
imagery.pragprog.com/products/595/ 		22 KB
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General
Check archive.org
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Full URL
https://imagery.pragprog.com/products/595/tpp20_xlargebeta.jpg?1557173963
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
50.18.184.86 San Jose, United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),
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Software
imagery3 /
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Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Date
Thu, 25 Jul 2019 19:34:09 GMT
Via
1.1 varnish
Age
6815876
X_AMZ_ID_2
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keep-alive
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Thu, 31 Dec 2037 23:55:55 GMT
pip-foundation-d02fc6d697d14a2f561c1f2bc7e2ae1f.js
pragprog.com/assets/ 		614 KB
177 KB 		Script
General
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Full URL
https://pragprog.com/assets/pip-foundation-d02fc6d697d14a2f561c1f2bc7e2ae1f.js
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.23.199.173 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS
ec2-23-23-199-173.compute-1.amazonaws.com
Software
nginx /
Resource Hash
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Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Date
Thu, 25 Jul 2019 19:50:34 GMT
Content-Encoding
gzip
Last-Modified
Sat, 20 Jul 2019 16:52:20 GMT
Server
nginx
ETag
"5d3346c4-2c10c"
Content-Type
application/javascript
Cache-Control
max-age=315360000
Connection
keep-alive
Content-Length
180492
Expires
Thu, 31 Dec 2037 23:55:55 GMT
braintree.js
js.braintreegateway.com/v2/ 		175 KB
50 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.braintreegateway.com/v2/braintree.js
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.38.61.135 , Netherlands, ASN20940 (AKAMAI-ASN1, US),
Reverse DNS
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Software
nginx /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000
Content-Encoding
gzip
Last-Modified
Thu, 11 Jul 2019 21:49:17 GMT
Server
nginx
ETag
"5d27aedd-2bc3c"
Vary
Accept-Encoding
Content-Type
application/javascript
Cache-Control
max-age=21600
Date
Thu, 25 Jul 2019 19:50:34 GMT
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
50985
Expires
Fri, 26 Jul 2019 01:50:34 GMT
dc.js
stats.g.doubleclick.net/ 		45 KB
17 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://stats.g.doubleclick.net/dc.js
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c06::9a Brussels, Belgium, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 20 Jun 2019 21:35:04 GMT
server
Golfe2
age
2790
date
Thu, 25 Jul 2019 19:04:04 GMT
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=7200
alt-svc
quic=":443"; ma=2592000; v="46,43,39"
content-length
17093
expires
Thu, 25 Jul 2019 21:04:04 GMT
o-0IIpQlx3QUlC5A4PNr5TRASf6M7Q.woff2
fonts.gstatic.com/s/notosans/v9/ 		10 KB
10 KB 		Font
General
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Full URL
https://fonts.gstatic.com/s/notosans/v9/o-0IIpQlx3QUlC5A4PNr5TRASf6M7Q.woff2
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:816::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36
Referer
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Origin
https://pragprog.com

Response headers

date
Mon, 22 Jul 2019 19:36:05 GMT
x-content-type-options
nosniff
last-modified
Mon, 22 Jul 2019 19:20:41 GMT
server
sffe
age
260069
content-type
font/woff2
status
200
alt-svc
quic=":443"; ma=2592000; v="46,43,39"
cache-control
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content-length
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expires
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fontawesome-webfont-1374d275fd2c5645547a17ba45aaaabd.woff2
pragprog.com/assets/ 		69 KB
69 KB 		Font
General
Check archive.org
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Full URL
https://pragprog.com/assets/fontawesome-webfont-1374d275fd2c5645547a17ba45aaaabd.woff2?v=4.6.1
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
23.23.199.173 Ashburn, United States, ASN14618 (AMAZON-AES - Amazon.com, Inc., US),
Reverse DNS
ec2-23-23-199-173.compute-1.amazonaws.com
Software
nginx /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36
Referer
https://pragprog.com/assets/pip-foundation-404b73cb747d6a60feebbf23032560a0.css
Origin
https://pragprog.com

Response headers

Date
Thu, 25 Jul 2019 19:50:34 GMT
Last-Modified
Thu, 21 Apr 2016 15:22:59 GMT
Server
nginx
ETag
"5718f053-11448"
Content-Type
application/octet-stream
Cache-Control
max-age=315360000
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
70728
Expires
Thu, 31 Dec 2037 23:55:55 GMT
__utm.gif
stats.g.doubleclick.net/r/ 		35 B
103 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://stats.g.doubleclick.net/r/__utm.gif?utmwv=5.7.2dc&utms=2&utmn=208228484&utmhn=pragprog.com&utmcs=UTF-8&utmsr=1600x1200&utmvp=1585x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=The%20Pragmatic%20Bookshelf&utmhid=276507367&utmr=-&utmp=%2F&utmht=1564084234686&utmac=UA-280358-4&utmcc=__utma%3D7299699.1487889461.1564084233.1564084233.1564084233.1%3B%2B__utmz%3D7299699.1564084233.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1573088422&utmredir=3&utmu=qAAAAAAAAAAAAAAAAAAAAAAE~
Requested by
Host: pragprog.com
URL: https://pragprog.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c06::9a Brussels, Belgium, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff

Request headers

Referer
https://pragprog.com/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
access-control-allow-origin
*
date
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content-type
image/gif
status
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cache-control
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alt-svc
quic=":443"; ma=2592000; v="46,43,39"
content-length
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expires
Fri, 01 Jan 1990 00:00:00 GMT
nr-1130.min.js
js-agent.newrelic.com/ 		0
0

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
js-agent.newrelic.com
URL
https://js-agent.newrelic.com/nr-1130.min.js

Verdicts & Comments Add Verdict or Comment

33 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.

object| onselectstart object| onselectionchange function| queueMicrotask object| NREUM object| newrelic function| __nr_require object| html5 object| Modernizr object| _gaq object| _gat object| gaGlobal function| $ function| jQuery object| Foundation function| Raphael function| _ function| Cookies object| eventie function| EventEmitter function| getStyleProperty function| getSize function| docReady function| matchesSelector object| fizzyUIUtils function| Outlayer function| Isotope function| Masonry object| PP function| AuthorSalesChart object| Braintree object| braintree string| csrf_token string| csrf_param

0 Cookies

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; includeSubDomains
X-Frame-Options DENY
X-Xss-Protection 1;

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.

fonts.googleapis.com
fonts.gstatic.com
imagery.pragprog.com
js-agent.newrelic.com
js.braintreegateway.com
pragprog.com
stats.g.doubleclick.net
u263683.ct.sendgrid.net
www.pragprog.com
js-agent.newrelic.com
167.89.118.35
23.23.199.173
23.38.61.135
2a00:1450:4001:815::200a
2a00:1450:4001:816::2003
2a00:1450:400c:c06::9a
50.18.184.86
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