Submitted URL: https://postmaster.software/
Effective URL: https://www.postmaster.software/
Submission: On August 01 via automatic, source certstream-suspicious — Scanned from US

Summary

This website contacted 4 IPs in 1 countries across 4 domains to perform 15 HTTP transactions. The main IP is 76.76.21.123, located in Walnut, United States and belongs to AMAZON-02, US. The main domain is www.postmaster.software.
TLS certificate: Issued by R3 on June 6th 2024. Valid for: 3 months.
This is the only time www.postmaster.software was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 76.76.21.21 16509 (AMAZON-02)
8 76.76.21.123 16509 (AMAZON-02)
2 34.120.195.249 396982 (GOOGLE-CL...)
4 34.160.135.95 396982 (GOOGLE-CL...)
15 4
Domain Requested by
8 www.postmaster.software www.postmaster.software
4 api.postmaster.digital www.postmaster.software
2 o4506711106846720.ingest.sentry.io www.postmaster.software
1 postmaster.software 1 redirects
0 fonts.weissaufschwarz.digital Failed www.postmaster.software
15 5

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

Domain
weissaufschwarz.digital
Subject Issuer Validity Valid
www.postmaster.software
R3
2024-06-06 -
2024-09-04
3 months crt.sh
ingest.sentry.io
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2023-11-02 -
2024-12-02
a year crt.sh
api.postmaster.digital
GTS CA 1D4
2024-06-05 -
2024-09-03
3 months crt.sh

This page contains 1 frames:

Primary Page: https://www.postmaster.software/
Frame ID: E7300C5DC85D9E77CC4E1A84E4140C68
Requests: 13 HTTP requests in this frame

Screenshot

Page Title

postmaster

Page URL History Show full URLs

  1. https://postmaster.software/ HTTP 308
    https://www.postmaster.software/ Page URL

Page Statistics

15
Requests

93 %
HTTPS

0 %
IPv6

4
Domains

5
Subdomains

4
IPs

1
Countries

409 kB
Transfer

1155 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://postmaster.software/ HTTP 308
    https://www.postmaster.software/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

15 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.postmaster.software/
Redirect Chain
  • https://postmaster.software/
  • https://www.postmaster.software/
388 B
619 B
Document
General
Full URL
https://www.postmaster.software/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.123 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
b4de36ad7688129cf590d714cd83932d5f2c6490807f1ba78ad5ab58fe6b8d46
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

accept-ranges
bytes
access-control-allow-origin
*
age
16936
cache-control
public, max-age=0, must-revalidate
content-disposition
inline
content-length
388
content-type
text/html; charset=utf-8
date
Thu, 01 Aug 2024 14:41:05 GMT
etag
"0c538f5930c2040147b5585eea3e9e6f"
server
Vercel
strict-transport-security
max-age=63072000
x-vercel-cache
HIT
x-vercel-id
sfo1::r2kw7-1722523265233-5f0ccc7a40df

Redirect headers

cache-control
public, max-age=0, must-revalidate
content-type
text/html
date
Thu, 01 Aug 2024 14:41:04 GMT
location
https://www.postmaster.software/
refresh
0;url=https://www.postmaster.software/
server
Vercel
strict-transport-security
max-age=63072000
x-vercel-id
sfo1::2fpzt-1722523264765-545235639328
index-CD69F24M.js
www.postmaster.software/assets/
999 KB
305 KB
Script
General
Full URL
https://www.postmaster.software/assets/index-CD69F24M.js
Requested by
Host: www.postmaster.software
URL: https://www.postmaster.software/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.123 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
e49d2f4062e30bbfb6d7e772165c74bfa5e70889114a0595a0b33d04900806b9
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Referer
https://www.postmaster.software/
Origin
https://www.postmaster.software
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 14:41:05 GMT
content-encoding
br
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
sfo1::26vdb-1722523265338-dffb0b262667
age
16936
etag
W/"0ba8ae4b5dfcbabe6bf7e7aa0096a6c4"
x-vercel-cache
HIT
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="index-CD69F24M.js"
index-yuRzjBqg.css
www.postmaster.software/assets/
66 KB
13 KB
Stylesheet
General
Full URL
https://www.postmaster.software/assets/index-yuRzjBqg.css
Requested by
Host: www.postmaster.software
URL: https://www.postmaster.software/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.123 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
cc07cb34c2a34232aaa39e46c439592044c8d30809eb4c926e7ecb45ea9cd1f6
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Referer
https://www.postmaster.software/
Origin
https://www.postmaster.software
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 14:41:05 GMT
content-encoding
br
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
sfo1::l9895-1722523265338-5a82f773de5b
age
16936
etag
W/"332abb6a7272ade4be00754d7e865776"
x-vercel-cache
HIT
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="index-yuRzjBqg.css"
inter.css
fonts.weissaufschwarz.digital/postmaster/
0
0

/
o4506711106846720.ingest.sentry.io/api/4506734486552576/envelope/
41 B
339 B
Fetch
General
Full URL
https://o4506711106846720.ingest.sentry.io/api/4506734486552576/envelope/?sentry_key=03ff55440f8b33aa1fe6631f9625066a&sentry_version=7&sentry_client=sentry.javascript.react%2F7.101.0
Requested by
Host: www.postmaster.software
URL: https://www.postmaster.software/assets/index-CD69F24M.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.120.195.249 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
249.195.120.34.bc.googleusercontent.com
Software
nginx /
Resource Hash
d27191dba6abb4843e41d3774180cbd341cb250c9634d0130de3eae18b6cc210
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

Referer
https://www.postmaster.software/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Thu, 01 Aug 2024 14:41:05 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
via
1.1 google
server
nginx
vary
origin,access-control-request-method,access-control-request-headers
content-type
application/json
access-control-allow-origin
*
access-control-expose-headers
x-sentry-error,x-sentry-rate-limits,retry-after
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
41
favicon.ico
www.postmaster.software/
388 B
481 B
Other
General
Full URL
https://www.postmaster.software/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.123 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
b4de36ad7688129cf590d714cd83932d5f2c6490807f1ba78ad5ab58fe6b8d46
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Referer
https://www.postmaster.software/login
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 14:41:05 GMT
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
sfo1::8tffm-1722523265803-2e37155ac3d4
age
16936
etag
"0c538f5930c2040147b5585eea3e9e6f"
x-vercel-cache
HIT
content-type
text/html; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="index.html"
accept-ranges
bytes
content-length
388
favicon.ico
www.postmaster.software/
388 B
53 B
Other
General
Full URL
https://www.postmaster.software/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.123 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
b4de36ad7688129cf590d714cd83932d5f2c6490807f1ba78ad5ab58fe6b8d46

Request headers

Referer
https://www.postmaster.software/login
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 14:41:05 GMT
server
Vercel
x-vercel-id
sfo1::l9895-1722523265880-e3888e70fc77
age
16936
x-vercel-cache
HIT
etag
"0c538f5930c2040147b5585eea3e9e6f"
content-type
text/html; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="index.html"
accept-ranges
bytes
content-length
388
me
api.postmaster.digital/api/v1/
51 B
210 B
Fetch
General
Full URL
https://api.postmaster.digital/api/v1/me
Requested by
Host: www.postmaster.software
URL: https://www.postmaster.software/assets/index-CD69F24M.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.160.135.95 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
95.135.160.34.bc.googleusercontent.com
Software
Google Frontend /
Resource Hash
7d2b5fc4e7fc71113c0e15f3e35903d1a44801b90f3200c376ccba65231fbdfc

Request headers

Referer
https://www.postmaster.software/
Authorization
Bearer null
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 14:41:06 GMT
content-encoding
gzip
via
1.1 google
server
Google Frontend
vary
Origin, Accept-Encoding
content-type
application/json; charset=UTF-8
access-control-allow-origin
https://www.postmaster.software
x-cloud-trace-context
1a6c8440d332e4eeced0572e55dcae68
cache-control
private
access-control-allow-credentials
true
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
71
me
api.postmaster.digital/api/v1/
0
0
Preflight
General
Full URL
https://api.postmaster.digital/api/v1/me
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.160.135.95 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
95.135.160.34.bc.googleusercontent.com
Software
Google Frontend /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
authorization
Access-Control-Request-Method
GET
Origin
https://www.postmaster.software
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
authorization
access-control-allow-methods
GET,HEAD,PUT,POST,DELETE,PATCH
access-control-allow-origin
https://www.postmaster.software
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
content-type
text/plain; charset=UTF-8
date
Thu, 01 Aug 2024 14:41:06 GMT
server
Google Frontend
vary
Origin, Access-Control-Request-Headers
via
1.1 google
x-cloud-trace-context
70d06a1050be5d9deea3dad7c7068307;o=1
custom-data
api.postmaster.digital/api/v1/public/
92 B
125 B
Fetch
General
Full URL
https://api.postmaster.digital/api/v1/public/custom-data?domain=www.postmaster.software
Requested by
Host: www.postmaster.software
URL: https://www.postmaster.software/assets/index-CD69F24M.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
34.160.135.95 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
95.135.160.34.bc.googleusercontent.com
Software
Google Frontend /
Resource Hash
6e8ce2e21d6298eb924eb174305dad1f8f2f54a593a98c41eefa3af09fad9e98

Request headers

Referer
https://www.postmaster.software/
Authorization
Bearer null
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 14:41:06 GMT
content-encoding
gzip
via
1.1 google
server
Google Frontend
vary
Origin, Accept-Encoding
content-type
application/json; charset=UTF-8
access-control-allow-origin
https://www.postmaster.software
x-cloud-trace-context
bf99fb80aee925e39300ece73959d290
cache-control
private
access-control-allow-credentials
true
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
104
custom-data
api.postmaster.digital/api/v1/public/
0
0
Preflight
General
Full URL
https://api.postmaster.digital/api/v1/public/custom-data?domain=www.postmaster.software
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
34.160.135.95 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
95.135.160.34.bc.googleusercontent.com
Software
Google Frontend /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
authorization
Access-Control-Request-Method
GET
Origin
https://www.postmaster.software
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
authorization
access-control-allow-methods
GET,HEAD,PUT,POST,DELETE,PATCH
access-control-allow-origin
https://www.postmaster.software
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
content-type
text/plain; charset=UTF-8
date
Thu, 01 Aug 2024 14:41:06 GMT
server
Google Frontend
vary
Origin, Access-Control-Request-Headers
via
1.1 google
x-cloud-trace-context
329f3bc51249af86e2dc7f59dc98e280
default.png
www.postmaster.software/
500 B
627 B
Other
General
Full URL
https://www.postmaster.software/default.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.123 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
972ad717438c84be59dce66ea52a41bc77354cf038549d72b1e7829489c71cae
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Referer
https://www.postmaster.software/login
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 14:41:07 GMT
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
sfo1::5dw6r-1722523267022-cd7d38ab633a
age
0
etag
"a7a76fd44465d382ebd05cf89b6636ff"
x-vercel-cache
HIT
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="default.png"
accept-ranges
bytes
content-length
500
default-logo.png
www.postmaster.software/
1 KB
1 KB
Image
General
Full URL
https://www.postmaster.software/default-logo.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.123 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
d39e9fdce20b9370478fbe3d8b750d642dbda331e769271dc444e968279a52ec
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Referer
https://www.postmaster.software/login
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 14:41:07 GMT
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
sfo1::8q4dk-1722523267047-0931872148d2
age
752
etag
"95a2590ba02857d4763340b04d126f35"
x-vercel-cache
HIT
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="default-logo.png"
accept-ranges
bytes
content-length
1380
default-login-cover.png
www.postmaster.software/
87 KB
87 KB
Image
General
Full URL
https://www.postmaster.software/default-login-cover.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.123 Walnut, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
26e0ddf5ef69c34bffcfb63eabcea3a99a93f4a8c35d3230d1af75b13a1e1615
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

Referer
https://www.postmaster.software/login
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Thu, 01 Aug 2024 14:41:07 GMT
strict-transport-security
max-age=63072000
server
Vercel
x-vercel-id
sfo1::7d8gs-1722523267048-907943d70792
age
752
etag
"27a9ea74808575369e3c6dbce1584c4e"
x-vercel-cache
HIT
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=0, must-revalidate
content-disposition
inline; filename="default-login-cover.png"
accept-ranges
bytes
content-length
89112
/
o4506711106846720.ingest.sentry.io/api/4506734486552576/envelope/
41 B
95 B
Fetch
General
Full URL
https://o4506711106846720.ingest.sentry.io/api/4506734486552576/envelope/?sentry_key=03ff55440f8b33aa1fe6631f9625066a&sentry_version=7&sentry_client=sentry.javascript.react%2F7.101.0
Requested by
Host: www.postmaster.software
URL: https://www.postmaster.software/assets/index-CD69F24M.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
34.120.195.249 Kansas City, United States, ASN396982 (GOOGLE-CLOUD-PLATFORM, US),
Reverse DNS
249.195.120.34.bc.googleusercontent.com
Software
nginx /
Resource Hash
e08dd4e67b2f8483a17e88867d38933bce4eb26bdb240212537acbd5d86dae7f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

Referer
https://www.postmaster.software/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

date
Thu, 01 Aug 2024 14:41:08 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
via
1.1 google
server
nginx
vary
origin,access-control-request-method,access-control-request-headers
content-type
application/json
access-control-allow-origin
*
access-control-expose-headers
x-sentry-error,x-sentry-rate-limits,retry-after
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
41

Failed requests

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

Domain
fonts.weissaufschwarz.digital
URL
https://fonts.weissaufschwarz.digital/postmaster/inter.css

Verdicts & Comments Add Verdict or Comment

1 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| __SENTRY__

0 Cookies

2 Console Messages

Source Level URL
Text
network error URL: https://api.postmaster.digital/api/v1/me
Message:
Failed to load resource: the server responded with a status of 498 ()
network error URL: https://api.postmaster.digital/api/v1/public/custom-data?domain=www.postmaster.software
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=63072000