Submitted URL: http://Grc.com
Effective URL: https://www.grc.com/intro.htm
Submission: On July 12 via manual from US

Summary

This website contacted 2 IPs in 1 countries across 2 domains to perform 18 HTTP transactions.
The main IP is 4.79.142.202, located in United States and belongs to LEVEL3 - Level 3 Parent, LLC, US. The main domain is www.grc.com.
TLS certificate: Issued by DigiCert SHA2 Extended Validation Ser... on February 7th 2018. Valid for: 2 years.
This is the first time this domain was scanned on urlscan.io!

Verdict: Unknown

Domain & IP information

IP Address AS Autonomous System
1 1 ()
1 1 4.79.142.200 3356 (LEVEL3)
16 4.79.142.202 3356 (LEVEL3)
2 4.79.142.192 3356 (LEVEL3)
18 2
Domain
Subdomains
Transfer
18 grc.com
33 KB
2 grctech.com
34 KB
18 2
Domain Requested by
16 www.grc.com www.grc.com
2 www.grctech.com www.grc.com
2 grc.com 2 redirects
18 3

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

Domain
Subject / Issuer Validity Valid
grc.com
DigiCert SHA2 Extended Validation Server CA
2018-02-07 -
2020-03-27
2 years
grctech.com
DigiCert SHA2 Extended Validation Server CA
2019-06-12 -
2021-07-14
2 years

Screenshot



Stats

0
Requests

0
Ad-blocked

0
Malicious

0 %
HTTPS

0 %
IPv6

0
Domains

0
Subdomains

0
IPs

0
Countries

0 kB
Transfer

0 kB
Size

0
Cookies

18 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Cookie set intro.htm

Redirect Chain
  • http://grc.com/
  • https://grc.com/
  • https://www.grc.com/intro.htm
14 KB
4 KB
Document
General
Full URL
https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
263428030041fc3f300b36164f3dcf428a8dd45bb0ab4325f602978cd944de65
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Host
www.grc.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/74.0.3729.169 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
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Content-Type
text/html; charset=utf-8
Content-Encoding
gzip
Expires
Mon, 01 Jan 1990 00:00:00 GMT
Vary
Accept-Encoding
X-Frame-Options
SAMEORIGIN
Strict-Transport-Security
max-age=31536000; preload
P3P
CP="NOI DSP COR NID NOR"
Set-Cookie
tpag=pg53mnyeusfsw; path=/ ppag=pg53mnyeusfsw; path=/; expires=Mon, 01-Jan-2046 00:00:00 GMT
Server
GRC/IIS Hybrid Application Webserver
Date
Fri, 12 Jul 2019 02:31:45 GMT
Connection
close
Content-Length
3847

Redirect headers

Location
https://www.grc.com/intro.htm
X-Frame-Options
SAMEORIGIN
Strict-Transport-Security
max-age=31536000; preload
Server
GRC/IIS Hybrid Application Webserver
Date
Fri, 12 Jul 2019 02:31:44 GMT
Content-Length
0
grc.css
11 KB
3 KB
Stylesheet
General
Full URL
https://www.grc.com/grc.css
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
91cb21cfc2270a81dcfb61b65242217ba6ccb121aa7eb5cbd1729458638128c7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Content-Encoding
gzip
Vary
Accept-Encoding
Last-Modified
Fri, 03 May 2019 01:54:54 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"0abc833531d51:0"
X-Frame-Options
SAMEORIGIN
Content-Type
text/css
Date
Fri, 12 Jul 2019 02:31:53 GMT
Accept-Ranges
bytes
Content-Length
3050
mainmenu.css
11 KB
4 KB
Stylesheet
General
Full URL
https://www.grc.com/mainmenu.css
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
9f67746fadcb7619d4183be6158643e414e77552984a321198a0a97443c3156c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Content-Encoding
gzip
Vary
Accept-Encoding
Last-Modified
Fri, 28 Oct 2011 20:25:56 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"0a2eccbaf95cc1:0"
X-Frame-Options
SAMEORIGIN
Content-Type
text/css
Date
Fri, 12 Jul 2019 02:31:53 GMT
Accept-Ranges
bytes
Content-Length
3275
mh-logo.gif
3 KB
3 KB
Image
General
Full URL
https://www.grc.com/mh-logo.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
549a74d694529195256502ad4f3ec421619217da345617d6b635cb0b2f9b619f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Sat, 22 Jul 2006 19:58:17 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"e9f2642cc9adc61:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
2894
mh-focus.gif
5 KB
6 KB
Image
General
Full URL
https://www.grc.com/mh-focus.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
14419e32d513d2f398783e5c5b0a2c03aad17f57b708a86c6ca507d323bcc15e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Sat, 15 Jul 2006 15:39:25 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"9061a1d924a8c61:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
5360
menublogicon.png
/image
1 KB
1 KB
Image
General
Full URL
https://www.grc.com/image/menublogicon.png
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
2f6f94bf9b0957487934e5345b1596069e8f86796f666b9a41124d819a5b0e4e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Thu, 05 May 2016 22:12:27 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"38a043351ba7d11:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/png
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
1120
menutwittericon.png
/image
1008 B
1 KB
Image
General
Full URL
https://www.grc.com/image/menutwittericon.png
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
f6b58df0ff825c629e81f894283f266647cbfa5a4d41f01cd90cc8e8c68dfac0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Thu, 05 May 2016 22:13:36 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"1a42965e1ba7d11:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/png
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
1008
menurssicon.png
/image
1 KB
2 KB
Image
General
Full URL
https://www.grc.com/image/menurssicon.png
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
264bf6a8c9afe7774d742099992705e9c9d2404bf9fcff17a3887ffd8f4136b9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Thu, 05 May 2016 22:13:18 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"7a87b5531ba7d11:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/png
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
1478
mh-srch.gif
665 B
991 B
Image
General
Full URL
https://www.grc.com/mh-srch.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
5243555b60db8773d64d73a55f8e1949dd949778d0da08a84644e89e4192fa73
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Sat, 22 Jul 2006 20:03:01 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"877d2dd6c9adc61:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:55 GMT
Accept-Ranges
bytes
Content-Length
665
mb-home.gif
647 B
972 B
Image
General
Full URL
https://www.grc.com/mb-home.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
9367994d5d29e6ad1c648755ce53b9aad93b10b4e998a9410fff9a7b5180d2aa
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Thu, 13 Jul 2006 07:30:15 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"10a012f4ea6c61:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
647
mb-products.gif
1 KB
1 KB
Image
General
Full URL
https://www.grc.com/mb-products.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
d1952d7fc62fb4fb2b37af2a122d4364ef37e60e0adc30ce7d593ebbf8d285ab
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Thu, 13 Jul 2006 07:30:32 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"f4e7394ea6c61:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
1039
mb-services.gif
1 KB
1 KB
Image
General
Full URL
https://www.grc.com/mb-services.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
439a627fb4e6a6867390ff5d69c828aeaa9127766208d15d26da27cd0d4f2620
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Thu, 13 Jul 2006 07:30:45 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"d75ac4404ea6c61:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
1033
mb-freeware.gif
792 B
1 KB
Image
General
Full URL
https://www.grc.com/mb-freeware.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
b0a80991b454b91ee69d139f16f2bfd01a22a7fbc439273bbdcd098bc68eb040
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Thu, 13 Jul 2006 07:31:03 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"10fc9d4b4ea6c61:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
792
mb-research.gif
1 KB
1 KB
Image
General
Full URL
https://www.grc.com/mb-research.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
c8f450b0d35f8a1afdc63ee863a1b820195913af6509d90d7235451d611117c5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Thu, 13 Jul 2006 07:31:15 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"54c2f4524ea6c61:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
1052
mb-other.gif
686 B
1012 B
Image
General
Full URL
https://www.grc.com/mb-other.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
a3f15fad62fdbe1e23cecdbfa6fd66f26ad7df2351295c4cc7a5fb4601aa95f3
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Tue, 12 Jan 2010 21:04:39 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"64ebbedaca93ca1:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
686
sr6largelogo.gif
www.grctech.com/_sxurowauytgqd_/image
20 KB
21 KB
Image
General
Full URL
https://www.grctech.com/_sxurowauytgqd_/image/sr6largelogo.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.192 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
grctech.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
41390fac7cecad365680be91b43ec74383f1be092c7e3389fc733bf27f47e507
Security Headers
Name Value
Strict-Transport-Security max-age=0
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=0
Last-Modified
Tue, 08 Jun 2004 22:44:06 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"0bfa41aaa4dc41:0"
X-Frame-Options
SAMEORIGIN
P3P
CP="NOI DSP COR NID NOR"
Date
Fri, 12 Jul 2019 02:31:48 GMT
Accept-Ranges
bytes
Content-Type
image/gif
Content-Length
20743
Expires
Mon, 01 Jan 1990 00:00:00 GMT
transpixel.gif
/image
49 B
373 B
Image
General
Full URL
https://www.grc.com/image/transpixel.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.202 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
www.grc.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
53a846cd81db2ebf803f3c683f5e0b89b2d35aa35d34600ea4a67b0204a473e7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=31536000; preload
Last-Modified
Sat, 26 Jun 2004 04:20:46 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"0e3cdf3345bc41:0"
X-Frame-Options
SAMEORIGIN
Content-Type
image/gif
Date
Fri, 12 Jul 2019 02:31:54 GMT
Accept-Ranges
bytes
Content-Length
49
su2blackglow.gif
www.grctech.com/_sxurowauytgqd_/image
13 KB
14 KB
Image
General
Full URL
https://www.grctech.com/_sxurowauytgqd_/image/su2blackglow.gif
Requested by
Host: www.grc.com
URL: https://www.grc.com/intro.htm
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_CBC
Server
4.79.142.192 , United States, ASN3356 (LEVEL3 - Level 3 Parent, LLC, US),
Reverse DNS
grctech.com
Software
GRC/IIS Hybrid Application Webserver /
Resource Hash
30778cfe47bfc1936ed8740f83fddc05cff4f507ff052e88f655677f0cea4d7b
Security Headers
Name Value
Strict-Transport-Security max-age=0
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.grc.com/intro.htm
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Strict-Transport-Security
max-age=0
Last-Modified
Sat, 20 Oct 2001 19:55:24 GMT
Server
GRC/IIS Hybrid Application Webserver
ETag
"09e1228a159c11:0"
X-Frame-Options
SAMEORIGIN
P3P
CP="NOI DSP COR NID NOR"
Date
Fri, 12 Jul 2019 02:31:49 GMT
Accept-Ranges
bytes
Content-Type
image/gif
Content-Length
13465
Expires
Mon, 01 Jan 1990 00:00:00 GMT

Redirect requests

There were HTTP redirects (301, 302) for the following requests:

Request 0
  • http://grc.com/
  • https://grc.com/
  • https://www.grc.com/intro.htm

3 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

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; preload
X-Frame-Options SAMEORIGIN