URL: https://mta-sts.postkamer.eu/
Submission: On August 27 via automatic, source certstream-suspicious — Scanned from NL

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 3 HTTP transactions. The main IP is 83.96.213.225, located in Netherlands and belongs to ASN-PROSERVE Amsterdam, NL. The main domain is mta-sts.postkamer.eu.
TLS certificate: Issued by R11 on August 27th 2024. Valid for: 3 months.
This is the only time mta-sts.postkamer.eu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 83.96.213.225 21155 (ASN-PROSE...)
1 51.75.78.103 16276 (OVH)
3 2
Apex Domain
Subdomains
Transfer
2 postkamer.eu
mta-sts.postkamer.eu
717 B
1 ipv6-test.com
ipv6-test.com — Cisco Umbrella Rank: 22816
4 KB
3 2
Domain Requested by
2 mta-sts.postkamer.eu
1 ipv6-test.com mta-sts.postkamer.eu
3 2

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

Domain
mailinabox.email
ipv6-test.com
Subject Issuer Validity Valid
mta-sts.box.postkamer.eu
R11
2024-08-27 -
2024-11-25
3 months crt.sh
*.ipv6-test.com
Gandi RSA Domain Validation Secure Server CA 3
2024-04-29 -
2025-04-11
a year crt.sh

This page contains 1 frames:

Primary Page: https://mta-sts.postkamer.eu/
Frame ID: 817BDC57FF772515BBB18B3901F1914B
Requests: 3 HTTP requests in this frame

Screenshot

Page Title

this is a mail-in-a-box

Page Statistics

3
Requests

100 %
HTTPS

0 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

5 kB
Transfer

5 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

3 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
mta-sts.postkamer.eu/
510 B
428 B
Document
General
Full URL
https://mta-sts.postkamer.eu/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
83.96.213.225 , Netherlands, ASN21155 (ASN-PROSERVE Amsterdam, NL),
Reverse DNS
box.postkamer.eu
Software
nginx /
Resource Hash
04da8186e7204efc1955059de3c6618597a1553ef0b6bb88f77816b07d8b51cb
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

content-encoding
gzip
content-type
text/html
date
Tue, 27 Aug 2024 14:47:04 GMT
etag
W/"59457125-1fe"
last-modified
Sat, 17 Jun 2017 18:12:53 GMT
server
nginx
strict-transport-security
max-age=15768000
button-ipv6-big.png
ipv6-test.com/
4 KB
4 KB
Image
General
Full URL
https://ipv6-test.com/button-ipv6-big.png
Requested by
Host: mta-sts.postkamer.eu
URL: https://mta-sts.postkamer.eu/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
51.75.78.103 , Germany, ASN16276 (OVH, FR),
Reverse DNS
muscaria.t0x.net
Software
Apache/2.4.25 (Debian) /
Resource Hash
62fde418ac7d235d32feb93e1b1deed7e3210024095f6b18a9587848a8b4aa6e

Request headers

Referer
https://mta-sts.postkamer.eu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

Date
Tue, 27 Aug 2024 14:47:07 GMT
Last-Modified
Fri, 28 Mar 2014 20:31:50 GMT
Server
Apache/2.4.25 (Debian)
ETag
"e56-4f5b09766f980"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
3670
favicon.ico
mta-sts.postkamer.eu/
564 B
289 B
Other
General
Full URL
https://mta-sts.postkamer.eu/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
83.96.213.225 , Netherlands, ASN21155 (ASN-PROSERVE Amsterdam, NL),
Reverse DNS
box.postkamer.eu
Software
nginx /
Resource Hash
0b52c5338af355699530a47683420e48c7344e779d3e815ff9943cbfdc153cf2
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://mta-sts.postkamer.eu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 27 Aug 2024 14:47:07 GMT
strict-transport-security
max-age=15768000
content-encoding
gzip
server
nginx
content-type
text/html

Verdicts & Comments Add Verdict or Comment

0 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.

0 Cookies

3 Console Messages

Source Level URL
Text
security warning URL: https://mta-sts.postkamer.eu/
Message:
Mixed Content: The page at 'https://mta-sts.postkamer.eu/' was loaded over HTTPS, but requested an insecure element 'http://ipv6-test.com/button-ipv6-big.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://mta-sts.postkamer.eu/
Message:
Mixed Content: The page at 'https://mta-sts.postkamer.eu/' was loaded over HTTPS, but requested an insecure element 'http://ipv6-test.com/button-ipv6-big.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
network error URL: https://mta-sts.postkamer.eu/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 ()

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=15768000

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.

ipv6-test.com
mta-sts.postkamer.eu
51.75.78.103
83.96.213.225
04da8186e7204efc1955059de3c6618597a1553ef0b6bb88f77816b07d8b51cb
0b52c5338af355699530a47683420e48c7344e779d3e815ff9943cbfdc153cf2
62fde418ac7d235d32feb93e1b1deed7e3210024095f6b18a9587848a8b4aa6e