URL: https://mailcatcher.c1dev.securityserve.com/
Submission: On August 22 via automatic, source certstream-suspicious

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 7 HTTP transactions. The main IP is 34.213.137.52, located in Boardman, United States and belongs to AMAZON-02, US. The main domain is mailcatcher.c1dev.securityserve.com.
TLS certificate: Issued by R3 on August 21st 2021. Valid for: 3 months.
This is the only time mailcatcher.c1dev.securityserve.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
7 34.213.137.52 16509 (AMAZON-02)
7 1
Apex Domain
Subdomains
Transfer
7 securityserve.com
mailcatcher.c1dev.securityserve.com
351 KB
7 1
Domain Requested by
7 mailcatcher.c1dev.securityserve.com mailcatcher.c1dev.securityserve.com
7 1

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

Domain
mailcatcher.me
Subject Issuer Validity Valid
mailcatcher.c1dev.securityserve.com
R3
2021-08-21 -
2021-11-19
3 months crt.sh

This page contains 1 frames:

Primary Page: https://mailcatcher.c1dev.securityserve.com/
Frame ID: 7CA5D065E34B1D071281F6847558AA7D
Requests: 7 HTTP requests in this frame

Screenshot

Page Title

MailCatcher (1125)

Page Statistics

7
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

351 kB
Transfer

456 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
mailcatcher.c1dev.securityserve.com/
2 KB
1 KB
Document
General
Full URL
https://mailcatcher.c1dev.securityserve.com/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
34.213.137.52 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-34-213-137-52.us-west-2.compute.amazonaws.com
Software
thin 1.5.1 codename Straight Razor /
Resource Hash
13d6b5e4917864d29859a1f4ed8454d33a902cf0ce8cde7c8d934b323317dabc
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Host
mailcatcher.c1dev.securityserve.com
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Sun, 22 Aug 2021 00:45:52 GMT
Server
thin 1.5.1 codename Straight Razor
Content-Type
text/html;charset=utf-8
X-XSS-Protection
1; mode=block
X-Content-Type-Options
nosniff
X-Frame-Options
SAMEORIGIN
Vary
Accept-Encoding
Content-Encoding
gzip
Content-Length
698
Keep-Alive
timeout=5
Connection
Keep-Alive
mailcatcher.js
mailcatcher.c1dev.securityserve.com/assets/
142 KB
47 KB
Script
General
Full URL
https://mailcatcher.c1dev.securityserve.com/assets/mailcatcher.js
Requested by
Host: mailcatcher.c1dev.securityserve.com
URL: https://mailcatcher.c1dev.securityserve.com/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
34.213.137.52 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-34-213-137-52.us-west-2.compute.amazonaws.com
Software
thin 1.5.1 codename Straight Razor /
Resource Hash
02f93db7a19813dfa6bc304296f107b0133e410503257edc5782037a16e53eef
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
mailcatcher.c1dev.securityserve.com
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
*/*
Cache-Control
no-cache
Sec-Fetch-Dest
script
Referer
https://mailcatcher.c1dev.securityserve.com/
Connection
keep-alive
Referer
https://mailcatcher.c1dev.securityserve.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Sun, 22 Aug 2021 00:45:52 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Last-Modified
Wed, 23 Dec 2020 17:34:12 GMT
Server
thin 1.5.1 codename Straight Razor
Vary
Accept-Encoding
Content-Type
application/javascript;charset=utf-8
Connection
Keep-Alive
Keep-Alive
timeout=5
Content-Length
47832
mailcatcher.css
mailcatcher.c1dev.securityserve.com/assets/
11 KB
3 KB
Stylesheet
General
Full URL
https://mailcatcher.c1dev.securityserve.com/assets/mailcatcher.css
Requested by
Host: mailcatcher.c1dev.securityserve.com
URL: https://mailcatcher.c1dev.securityserve.com/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
34.213.137.52 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-34-213-137-52.us-west-2.compute.amazonaws.com
Software
thin 1.5.1 codename Straight Razor /
Resource Hash
7ee0f3e3b4a8a571a347f57f79e76dee6d4a428d5c9ceaef0da8283e0fb42b18
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
mailcatcher.c1dev.securityserve.com
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
text/css,*/*;q=0.1
Cache-Control
no-cache
Sec-Fetch-Dest
style
Referer
https://mailcatcher.c1dev.securityserve.com/
Connection
keep-alive
Referer
https://mailcatcher.c1dev.securityserve.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Sun, 22 Aug 2021 00:45:53 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Last-Modified
Wed, 23 Dec 2020 17:34:12 GMT
Server
thin 1.5.1 codename Straight Razor
Vary
Accept-Encoding
Content-Type
text/css;charset=utf-8
Connection
Keep-Alive
Keep-Alive
timeout=5
Content-Length
2429
/
mailcatcher.c1dev.securityserve.com/
2 KB
1 KB
XHR
General
Full URL
https://mailcatcher.c1dev.securityserve.com/
Requested by
Host: mailcatcher.c1dev.securityserve.com
URL: https://mailcatcher.c1dev.securityserve.com/assets/mailcatcher.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
34.213.137.52 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-34-213-137-52.us-west-2.compute.amazonaws.com
Software
thin 1.5.1 codename Straight Razor /
Resource Hash
13d6b5e4917864d29859a1f4ed8454d33a902cf0ce8cde7c8d934b323317dabc
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
mailcatcher.c1dev.securityserve.com
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Sec-Fetch-Mode
cors
Accept
*/*
Cache-Control
no-cache
Sec-Fetch-Dest
empty
Referer
https://mailcatcher.c1dev.securityserve.com/
Connection
keep-alive
Referer
https://mailcatcher.c1dev.securityserve.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Sun, 22 Aug 2021 00:45:53 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Server
thin 1.5.1 codename Straight Razor
X-Frame-Options
SAMEORIGIN
Content-Type
text/html;charset=utf-8
Connection
Keep-Alive
Vary
Accept-Encoding
Content-Length
698
X-XSS-Protection
1; mode=block
Keep-Alive
timeout=5
messages
mailcatcher.c1dev.securityserve.com/
296 KB
296 KB
XHR
General
Full URL
https://mailcatcher.c1dev.securityserve.com/messages
Requested by
Host: mailcatcher.c1dev.securityserve.com
URL: https://mailcatcher.c1dev.securityserve.com/assets/mailcatcher.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
34.213.137.52 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-34-213-137-52.us-west-2.compute.amazonaws.com
Software
thin 1.5.1 codename Straight Razor /
Resource Hash
ef5c2468098407472a494e759c38eea0b678764973a4c4227c0114e28e358b7f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
mailcatcher.c1dev.securityserve.com
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Sec-Fetch-Mode
cors
Accept
application/json, text/javascript, */*; q=0.01
Cache-Control
no-cache
Sec-Fetch-Dest
empty
X-Requested-With
XMLHttpRequest
Connection
keep-alive
Referer
https://mailcatcher.c1dev.securityserve.com/
Accept
application/json, text/javascript, */*; q=0.01
Referer
https://mailcatcher.c1dev.securityserve.com/
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Sun, 22 Aug 2021 00:45:53 GMT
X-Content-Type-Options
nosniff
Server
thin 1.5.1 codename Straight Razor
Connection
Keep-Alive
Keep-Alive
timeout=5
Content-Length
302799
Content-Type
application/json
logo.png
mailcatcher.c1dev.securityserve.com/assets/
2 KB
2 KB
Image
General
Full URL
https://mailcatcher.c1dev.securityserve.com/assets/logo.png
Requested by
Host: mailcatcher.c1dev.securityserve.com
URL: https://mailcatcher.c1dev.securityserve.com/assets/mailcatcher.css
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
34.213.137.52 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-34-213-137-52.us-west-2.compute.amazonaws.com
Software
thin 1.5.1 codename Straight Razor /
Resource Hash
5dc7afb74e5374d84fe5153a683a54ef1fd05efea50b7f65526f800ef800319f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
mailcatcher.c1dev.securityserve.com
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
Cache-Control
no-cache
Sec-Fetch-Dest
image
Referer
https://mailcatcher.c1dev.securityserve.com/assets/mailcatcher.css
Connection
keep-alive
Referer
https://mailcatcher.c1dev.securityserve.com/assets/mailcatcher.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Sun, 22 Aug 2021 00:45:53 GMT
X-Content-Type-Options
nosniff
Last-Modified
Wed, 23 Dec 2020 17:34:12 GMT
Server
thin 1.5.1 codename Straight Razor
Content-Type
image/png
Connection
Keep-Alive
Keep-Alive
timeout=5
Content-Length
1819
favicon.ico
mailcatcher.c1dev.securityserve.com/
1 KB
1 KB
Image
General
Full URL
https://mailcatcher.c1dev.securityserve.com/favicon.ico
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
34.213.137.52 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-34-213-137-52.us-west-2.compute.amazonaws.com
Software
thin 1.5.1 codename Straight Razor /
Resource Hash
61ae4277f93fea82a6df20256741c4209b29ab52ae0f41b206e1773d47eb2d2f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Origin
https://mailcatcher.c1dev.securityserve.com
Accept-Encoding
gzip, deflate, br
Host
mailcatcher.c1dev.securityserve.com
Accept-Language
en-US
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Sec-Fetch-Mode
cors
Accept
image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
Cache-Control
no-cache
Sec-Fetch-Dest
image
Referer
https://mailcatcher.c1dev.securityserve.com/
Connection
keep-alive
Origin
https://mailcatcher.c1dev.securityserve.com
Referer
https://mailcatcher.c1dev.securityserve.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Date
Sun, 22 Aug 2021 00:45:55 GMT
X-Content-Type-Options
nosniff
Last-Modified
Wed, 23 Dec 2020 17:34:12 GMT
Server
thin 1.5.1 codename Straight Razor
Content-Type
image/vnd.microsoft.icon
Connection
Keep-Alive
Keep-Alive
timeout=5
Content-Length
1150

Verdicts & Comments Add Verdict or Comment

22 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| 0 object| onbeforexrselect object| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker boolean| originAgentCluster object| trustedTypes boolean| crossOriginIsolated object| Flexie object| html5 object| Modernizr function| $ function| jQuery function| Favcount function| key object| clone object| MailCatcher boolean| forceJURL

0 Cookies

1 Console Messages

Source Level URL
Text
console-api log URL: https://mailcatcher.c1dev.securityserve.com/assets/mailcatcher.js(Line 5)
Message:
[object WebSocket]

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