courier.com

Observed 2026-07-15T11:04:56.789Z (15h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withAmazon Registrar, Inc.

Also usesGoogle Search ConsoleZoomStripe

34 subdomains · push_legacy

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

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

courier.com

A / AAAA

76.76.21.21

Cloudflareserves the site

ns-1038.awsdns-01.orgns-441.awsdns-55.comns-548.awsdns-04.netns-1982.awsdns-55.co.uk

awsdns-01.org + awsdns-55.com + moreanswers its DNS

alt1.aspmx.l.google.comalt3.aspmx.l.google.comaspmx.l.google.comalt2.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 308 → https://www.courier.com/

HTTP status308

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time84 ms

DNS resolutionNOERROR

Redirect chain

https://www.courier.com/

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

DNS Records

A 1

76.76.21.21

MX 5

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

TXT 13

apple-domain-verification=8qNLcffGhRWhFO94
google-site-verification=g4CG6hv0onhw1QiwPLaY3h7oBnfWENUNiWdUm28pqF0
ZOOM_verify_2DHilZPBSnCdDGbYf8Zqfg
https://issues.sonatype.org/browse/OSSRH-64486
google-site-verification=ZF0_st2b0Cyhg_bKiTjGp6iYCAZI5TzJmkRuBJP2R6g
segment-site-verification=ieTuLEPaJXR6Id3hvo1izTU5TKIzu96d
stripe-verification=a8a5634a93cb68faf80478238e81cbf138d9c99eb714c87399d457ae7a5a8b4d
postman-domain-verification=efbb264fa3bff263d8c4f7cb0b752fa2d94422007f34d20304732e346c0417bbd73cc98470892840746f2a99385bc7681579e9575dd2254ffe66a9469fa24cb8
google-site-verification=Y-j2Wi_5JQHIOABYrU2lPcYNll-XuymSv7_-EiSKx2Y
v=spf1 include:_spf.mailersend.net include:_spf.google.com include:sendgrid.net include:spf.mtasv.net ~all

NS 4

ns-1038.awsdns-01.org
ns-441.awsdns-55.com
ns-548.awsdns-04.net
ns-1982.awsdns-55.co.uk

SOA 1

ns-1982.awsdns-55.co.uk awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (34)

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 courier.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 40a6ca71-9040-4336-b3f7-ccecae4285f2
Output Hash: e8b9a1279caca0829b026ba9b1963e8fa035efd2fd2e4fa0f3c2a94c46ce2370
Signature: ed25519:358e9bac068a586f2a155a85f6e2bbbbf5deefe3a8c5bbd19c49f2802945bba8209c0d6cf8092d97294b9a914285dfa14695902d64395b73e1836408c9365d0c
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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