Submitted URL: https://bbb.md-edu.info/
Effective URL: https://bbb.md-edu.info/b
Submission: On October 09 via automatic, source certstream-suspicious

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 10 HTTP transactions. The main IP is 58.40.126.71, located in China and belongs to CHINANET-SH-AP China Telecom (Group), CN. The main domain is bbb.md-edu.info.
TLS certificate: Issued by Let's Encrypt Authority X3 on October 9th 2020. Valid for: 3 months.
This is the only time bbb.md-edu.info was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 10 58.40.126.71 4812 (CHINANET-...)
1 151.101.112.133 54113 (FASTLY)
10 2
Apex Domain
Subdomains
Transfer
10 md-edu.info
bbb.md-edu.info
1 MB
1 githubusercontent.com
raw.githubusercontent.com
7 KB
10 2
Domain Requested by
10 bbb.md-edu.info 1 redirects bbb.md-edu.info
1 raw.githubusercontent.com bbb.md-edu.info
10 2

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

Domain
bigbluebutton.org
youtu.be
Subject Issuer Validity Valid
bbb.md-edu.info
Let's Encrypt Authority X3
2020-10-09 -
2021-01-07
3 months crt.sh
www.github.com
DigiCert SHA2 High Assurance Server CA
2020-05-06 -
2022-04-14
2 years crt.sh

This page contains 1 frames:

Primary Page: https://bbb.md-edu.info/b
Frame ID: 9CC89BEB50DB7EE7C712BBE7ECC1D7E1
Requests: 10 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. https://bbb.md-edu.info/ HTTP 307
    https://bbb.md-edu.info/b Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /Ubuntu/i

Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i

Page Statistics

10
Requests

100 %
HTTPS

0 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

1181 kB
Transfer

2034 kB
Size

1
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://bbb.md-edu.info/ HTTP 307
    https://bbb.md-edu.info/b Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

10 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request Cookie set b
bbb.md-edu.info/
Redirect Chain
  • https://bbb.md-edu.info/
  • https://bbb.md-edu.info/b
51 KB
13 KB
Document
General
Full URL
https://bbb.md-edu.info/b
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
58.40.126.71 , China, ASN4812 (CHINANET-SH-AP China Telecom (Group), CN),
Reverse DNS
Software
nginx/1.10.3 (Ubuntu) /
Resource Hash
b6442c8991838f85d3af122bd6d260778d1115f10dc8869019f950e8fe7e53aa
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Host
bbb.md-edu.info
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/83.0.4103.61 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site
none
Sec-Fetch-Mode
navigate
Sec-Fetch-User
?1
Sec-Fetch-Dest
document
Accept-Encoding
gzip, deflate, br
Accept-Language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Server
nginx/1.10.3 (Ubuntu)
Date
Fri, 09 Oct 2020 01:37:11 GMT
Content-Type
text/html; charset=utf-8
Transfer-Encoding
chunked
Connection
keep-alive
X-Frame-Options
SAMEORIGIN
X-XSS-Protection
1; mode=block
X-Content-Type-Options
nosniff
X-Download-Options
noopen
X-Permitted-Cross-Domain-Policies
none
Referrer-Policy
strict-origin-when-cross-origin
ETag
W/"b6442c8991838f85d3af122bd6d26077"
Cache-Control
max-age=0, private, must-revalidate
Set-Cookie
_greenlight-2_3_session=LztCfSJ5QRRvBQ4DMarFKrSAfGDWLH0lmVrDNsKBWX0e6CiaLCHbwYZe8SVRdtqulWTLZQwjF1qiZjmPFT0F%2FTjDVbovCnN%2FY%2Ff5mGuByOJIlYpS07QoNNG4oF3xt7AN82ooY2eGNh6ZgMJLxvA%3D--w7%2Fpzm9ljYgfZKIT--FcJNV%2BWeZUBMfg9aNcxqjg%3D%3D; path=/; HttpOnly
X-Request-Id
90018476-0d96-4620-aa51-4b2ffca153d0
X-Runtime
0.045580
Content-Encoding
gzip

Redirect headers

Server
nginx/1.10.3 (Ubuntu)
Date
Fri, 09 Oct 2020 01:37:11 GMT
Content-Type
text/html
Content-Length
196
Location
https://bbb.md-edu.info/b
Connection
keep-alive
application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
bbb.md-edu.info/b/assets/
330 KB
55 KB
Stylesheet
General
Full URL
https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
Requested by
Host: bbb.md-edu.info
URL: https://bbb.md-edu.info/b
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
58.40.126.71 , China, ASN4812 (CHINANET-SH-AP China Telecom (Group), CN),
Reverse DNS
Software
nginx/1.10.3 (Ubuntu) /
Resource Hash
84fc760ea6088c8b6fda9210b9ca289376205add138770563c9afea5e3ee58fa

Request headers

Referer
https://bbb.md-edu.info/b
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Fri, 09 Oct 2020 01:37:11 GMT
Content-Encoding
gzip
Last-Modified
Thu, 30 Jan 2020 16:27:04 GMT
Server
nginx/1.10.3 (Ubuntu)
Vary
Accept-Encoding
Content-Type
text/css
Cache-Control
public, max-age=31556952
Connection
keep-alive
Content-Length
55803
application-be6b21bc9431fcd2fb41df70eb0279ed47dbf2b467336ca202f8f8dc29c9d585.js
bbb.md-edu.info/b/assets/
769 KB
227 KB
Script
General
Full URL
https://bbb.md-edu.info/b/assets/application-be6b21bc9431fcd2fb41df70eb0279ed47dbf2b467336ca202f8f8dc29c9d585.js
Requested by
Host: bbb.md-edu.info
URL: https://bbb.md-edu.info/b
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
58.40.126.71 , China, ASN4812 (CHINANET-SH-AP China Telecom (Group), CN),
Reverse DNS
Software
nginx/1.10.3 (Ubuntu) /
Resource Hash
be6b21bc9431fcd2fb41df70eb0279ed47dbf2b467336ca202f8f8dc29c9d585

Request headers

Referer
https://bbb.md-edu.info/b
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Fri, 09 Oct 2020 01:37:12 GMT
Content-Encoding
gzip
Last-Modified
Thu, 30 Jan 2020 16:27:27 GMT
Server
nginx/1.10.3 (Ubuntu)
Vary
Accept-Encoding
Content-Type
application/javascript
Cache-Control
public, max-age=31556952
Connection
keep-alive
Content-Length
231754
primary.css
bbb.md-edu.info/b/themes/
4 KB
5 KB
Stylesheet
General
Full URL
https://bbb.md-edu.info/b/themes/primary.css
Requested by
Host: bbb.md-edu.info
URL: https://bbb.md-edu.info/b
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
58.40.126.71 , China, ASN4812 (CHINANET-SH-AP China Telecom (Group), CN),
Reverse DNS
Software
nginx/1.10.3 (Ubuntu) /
Resource Hash
3e5fbf7498ddbfbc86a4db9aa8c72878a0062b789fb9c29dd7d63eef6131349c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://bbb.md-edu.info/b
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

X-Runtime
0.022380
Date
Fri, 09 Oct 2020 01:37:12 GMT
Referrer-Policy
strict-origin-when-cross-origin
Server
nginx/1.10.3 (Ubuntu)
ETag
W/"3e5fbf7498ddbfbc86a4db9aa8c72878"
X-Download-Options
noopen
X-Frame-Options
SAMEORIGIN
Content-Type
text/css; charset=utf-8
X-Permitted-Cross-Domain-Policies
none
Cache-Control
max-age=0, private, must-revalidate
Transfer-Encoding
chunked
Connection
keep-alive
X-XSS-Protection
1; mode=block
X-Content-Type-Options
nosniff
X-Request-Id
d1ee050f-5509-4505-9803-271853f1c059
logo_with_text.png
raw.githubusercontent.com/bigbluebutton/greenlight/master/app/assets/images/
7 KB
7 KB
Image
General
Full URL
https://raw.githubusercontent.com/bigbluebutton/greenlight/master/app/assets/images/logo_with_text.png
Requested by
Host: bbb.md-edu.info
URL: https://bbb.md-edu.info/b
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.112.133 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
92efcd53c4fd5da57bb688a5529aedb070114bc55902d45511386def234874fd
Security Headers
Name Value
Content-Security-Policy default-src 'none'; style-src 'unsafe-inline'; sandbox
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options deny
X-Xss-Protection 1; mode=block

Request headers

Referer
https://bbb.md-edu.info/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

X-Fastly-Request-ID
015210eba5462116b5527152c3f9f9e08795cfa4
Content-Security-Policy
default-src 'none'; style-src 'unsafe-inline'; sandbox
Via
1.1 varnish (Varnish/6.0), 1.1 varnish
X-Content-Type-Options
nosniff
X-Cache
HIT, HIT
X-Cache-Hits
8, 1
Connection
keep-alive
Vary
Authorization,Accept-Encoding, Accept-Encoding
Content-Length
6755
X-XSS-Protection
1; mode=block
X-Served-By
cache-hhn4081-HHN
X-GitHub-Request-Id
A56E:61CB:B40792:BD5476:5F7FA612
X-Timer
S1602207432.458681,VS0,VE0
X-Frame-Options
deny
Date
Fri, 09 Oct 2020 01:37:12 GMT
Source-Age
53
Strict-Transport-Security
max-age=31536000
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=300
ETag
W/"9eeaa493c55c357bc9733ade7cf4326bfddfa17f245ffd43b78d84541abcc266"
Accept-Ranges
bytes
Expires
Fri, 09 Oct 2020 01:42:12 GMT
SourceSansPro-SemiBold-3ba5c382a7ee6a8831bdf90192addceabe6db4278a679e67fe7e9c0226b729cf.ttf
bbb.md-edu.info/b/assets/SourceSansPro/
262 KB
262 KB
Font
General
Full URL
https://bbb.md-edu.info/b/assets/SourceSansPro/SourceSansPro-SemiBold-3ba5c382a7ee6a8831bdf90192addceabe6db4278a679e67fe7e9c0226b729cf.ttf
Requested by
Host: bbb.md-edu.info
URL: https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
58.40.126.71 , China, ASN4812 (CHINANET-SH-AP China Telecom (Group), CN),
Reverse DNS
Software
nginx/1.10.3 (Ubuntu) /
Resource Hash
3ba5c382a7ee6a8831bdf90192addceabe6db4278a679e67fe7e9c0226b729cf

Request headers

Origin
https://bbb.md-edu.info
Referer
https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Fri, 09 Oct 2020 01:37:13 GMT
Cache-Control
public, max-age=31556952
Last-Modified
Thu, 30 Jan 2020 16:23:24 GMT
Server
nginx/1.10.3 (Ubuntu)
Connection
keep-alive
Content-Length
268280
Content-Type
application/octet-stream
SourceSansPro-Regular-c9868de61ff2bab0b5a3a6d01c4b76f299459f08c6ae2f2c0383b4f9f6bedbf3.ttf
bbb.md-edu.info/b/assets/SourceSansPro/
263 KB
263 KB
Font
General
Full URL
https://bbb.md-edu.info/b/assets/SourceSansPro/SourceSansPro-Regular-c9868de61ff2bab0b5a3a6d01c4b76f299459f08c6ae2f2c0383b4f9f6bedbf3.ttf
Requested by
Host: bbb.md-edu.info
URL: https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
58.40.126.71 , China, ASN4812 (CHINANET-SH-AP China Telecom (Group), CN),
Reverse DNS
Software
nginx/1.10.3 (Ubuntu) /
Resource Hash
c9868de61ff2bab0b5a3a6d01c4b76f299459f08c6ae2f2c0383b4f9f6bedbf3

Request headers

Origin
https://bbb.md-edu.info
Referer
https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Fri, 09 Oct 2020 01:37:13 GMT
Cache-Control
public, max-age=31556952
Last-Modified
Thu, 30 Jan 2020 16:23:24 GMT
Server
nginx/1.10.3 (Ubuntu)
Connection
keep-alive
Content-Length
269108
Content-Type
application/octet-stream
SourceSansPro-Light-3eb3ad852d98c139c78064804524d0d2472b3efb872dc176b217fb57ae6a6f78.ttf
bbb.md-edu.info/b/assets/SourceSansPro/
262 KB
263 KB
Font
General
Full URL
https://bbb.md-edu.info/b/assets/SourceSansPro/SourceSansPro-Light-3eb3ad852d98c139c78064804524d0d2472b3efb872dc176b217fb57ae6a6f78.ttf
Requested by
Host: bbb.md-edu.info
URL: https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
58.40.126.71 , China, ASN4812 (CHINANET-SH-AP China Telecom (Group), CN),
Reverse DNS
Software
nginx/1.10.3 (Ubuntu) /
Resource Hash
3eb3ad852d98c139c78064804524d0d2472b3efb872dc176b217fb57ae6a6f78

Request headers

Origin
https://bbb.md-edu.info
Referer
https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Fri, 09 Oct 2020 01:37:13 GMT
Cache-Control
public, max-age=31556952
Last-Modified
Thu, 30 Jan 2020 16:23:24 GMT
Server
nginx/1.10.3 (Ubuntu)
Connection
keep-alive
Content-Length
268588
Content-Type
application/octet-stream
fa-regular-400-6a16c04229bc2b4da226eb97e68d94f49ba6437b7b5e16c14a101b21a29384e9.woff2
bbb.md-edu.info/b/assets/font-awesome/
13 KB
14 KB
Font
General
Full URL
https://bbb.md-edu.info/b/assets/font-awesome/fa-regular-400-6a16c04229bc2b4da226eb97e68d94f49ba6437b7b5e16c14a101b21a29384e9.woff2
Requested by
Host: bbb.md-edu.info
URL: https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
58.40.126.71 , China, ASN4812 (CHINANET-SH-AP China Telecom (Group), CN),
Reverse DNS
Software
nginx/1.10.3 (Ubuntu) /
Resource Hash
6a16c04229bc2b4da226eb97e68d94f49ba6437b7b5e16c14a101b21a29384e9

Request headers

Origin
https://bbb.md-edu.info
Referer
https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Fri, 09 Oct 2020 01:37:13 GMT
Cache-Control
public, max-age=31556952
Last-Modified
Thu, 30 Jan 2020 16:27:01 GMT
Server
nginx/1.10.3 (Ubuntu)
Connection
keep-alive
Content-Length
13580
Content-Type
application/font-woff2
fa-solid-900-cd398be1a91817126cef10224738e624358edf6f08043abad7e60c1aaeccc8d0.woff2
bbb.md-edu.info/b/assets/font-awesome/
74 KB
74 KB
Font
General
Full URL
https://bbb.md-edu.info/b/assets/font-awesome/fa-solid-900-cd398be1a91817126cef10224738e624358edf6f08043abad7e60c1aaeccc8d0.woff2
Requested by
Host: bbb.md-edu.info
URL: https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
58.40.126.71 , China, ASN4812 (CHINANET-SH-AP China Telecom (Group), CN),
Reverse DNS
Software
nginx/1.10.3 (Ubuntu) /
Resource Hash
cd398be1a91817126cef10224738e624358edf6f08043abad7e60c1aaeccc8d0

Request headers

Origin
https://bbb.md-edu.info
Referer
https://bbb.md-edu.info/b/assets/application-112cd0c1b4f8083f01a2486fac686003dc432992c087e04bc737c62cd7898dfe.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Fri, 09 Oct 2020 01:37:13 GMT
Cache-Control
public, max-age=31556952
Last-Modified
Thu, 30 Jan 2020 16:27:01 GMT
Server
nginx/1.10.3 (Ubuntu)
Connection
keep-alive
Content-Length
75440
Content-Type
application/font-woff2

Verdicts & Comments Add Verdict or Comment

57 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.

function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker object| trustedTypes object| GreenLight function| changeBrandingImage function| filterRole function| updateTabParams function| loadColourSelectors function| loadRoleColourSelector function| getLocalizedString function| showCreateRoom function| showUpdateRoom function| showDeleteRoom function| updateCurrentSettings function| generateAccessCode function| ResetAccessCode function| searchPage function| clearSearch function| addRecordingTable function| clearRole object| $jscomp number| join_attempts function| request_to_join_meeting object| Turbolinks function| $ function| jQuery object| tabler object| bootstrap object| d3 function| SVGPathSeg function| SVGPathSegClosePath function| SVGPathSegMovetoAbs function| SVGPathSegMovetoRel function| SVGPathSegLinetoAbs function| SVGPathSegLinetoRel function| SVGPathSegCurvetoCubicAbs function| SVGPathSegCurvetoCubicRel function| SVGPathSegCurvetoQuadraticAbs function| SVGPathSegCurvetoQuadraticRel function| SVGPathSegArcAbs function| SVGPathSegArcRel function| SVGPathSegLinetoHorizontalAbs function| SVGPathSegLinetoHorizontalRel function| SVGPathSegLinetoVerticalAbs function| SVGPathSegLinetoVerticalRel function| SVGPathSegCurvetoCubicSmoothAbs function| SVGPathSegCurvetoCubicSmoothRel function| SVGPathSegCurvetoQuadraticSmoothAbs function| SVGPathSegCurvetoQuadraticSmoothRel function| SVGPathSegList object| c3 function| Pickr object| ActionCable object| App object| I18n object| I18nFallback

1 Cookies

Domain/Path Name / Value
bbb.md-edu.info/ Name: _greenlight-2_3_session
Value: YYXTelmn7IT%2FP9jLuWpkgAjH326V0aFbBr2LkoQm6Q8ke4xa6FdB4qE6bEQcbGw500DWcXO55QFTveXuylLGiFD9%2FzD86z7jDaR%2BOrA4acgrd5Ow4UqJKOzTWIPfrRqzk5AwqLfo4KfCW6bHwo0%3D--Eh67eX%2B8lFKfa0%2Ff--tjiedYT1BbtVyc5GVHgT9Q%3D%3D

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
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block