postcrossing.com

Observed 2026-07-13T16:05:17.148Z (13h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withCSL Computer Service Langenbach GmbH d/b/a joker.com

Also usesFacebook/MetaGoogle Search Console

4 subdomains · tranco_40k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat postcrossing.com actually stands on - every host below is a signed observation

postcrossing.com

A / AAAA

3.70.55.155

Cloudflareserves the site

brett.ns.cloudflare.comparis.ns.cloudflare.com

cloudflare.comanswers its DNS

alt1.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.postcrossing.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time673 ms

DNS resolutionNOERROR

Redirect chain

https://www.postcrossing.com/

MCP This domain advertises an AI service endpoint at _mcp._tcp.

v=spf1 include:postcrossing.com -all

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

3.70.55.155

MX 5

5alt1.aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
1aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 8

facebook-domain-verification=qdgtd93f8937m03t8jh8icqbyqan1x
google-site-verification=q-Meyg1FsWiKKanaFUqmFEPYQ9zsGisUb7iGKRhst-Q
v=spf1 a:customs.postcrossing.com a:postino.postcrossing.com a:mail-fallback.postcrossing.com a:forum.postcrossing.com include:_spf.google.com include:shops.shopify.com -all
mailru-verification: f000919f10121133
brave-ledger-verification=c3ee5582e649a7dd8102c1f133ff0c4439a970e401d1db4cf5aa466338f09e87
v=DMARC1; p=quarantine; fo=1;
v=DKIM1; (detected)
v=STSv1; id=201905041;

NS 2

brett.ns.cloudflare.com
paris.ns.cloudflare.com

SOA 1

brett.ns.cloudflare.com dns.cloudflare.com

CAA 13

issue comodoca.com
issuewild letsencrypt.org
issuewild pki.goog; cansignhttpexchanges=yes
issuewild digicert.com; cansignhttpexchanges=yes
issue digicert.com; cansignhttpexchanges=yes
issuewild comodoca.com
iodef mailto:webmaster+caa@postcrossing.com
issuewild ssl.com
issue letsencrypt.org
issue pki.goog; cansignhttpexchanges=yes

TLS Certificates (0)

None.

Subdomains (4)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for postcrossing.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/postcrossing.com">
  <img src="https://domaindrift.io/badge/postcrossing.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for postcrossing.com">
</a>

Ed25519 Receipt

Receipt ID: 38ba3707-93ce-482c-b9ad-4b163aeb3f55
Output Hash: 7d13b11e52802bebc82f4eb4ab72b4fa5fab779860050c05c3f179c51062195b
Signature: ed25519:7fccda07192e89549edb57635aae224eda47015fcea672bbb9150da94a62e312293821cccc4ea13b55c150f747da4dfbb412179fe3fa1dd956112f30f32e1e07
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/postcrossing.com