lettersofnote.com
Observed Aug 11, 2026, 05:03 UTC (14h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat lettersofnote.com actually stands on - every host below is a signed observation
lettersofnote.com
A / AAAA
199.16.172.26199.16.173.211
Cloudflareserves the site
NS
dns1.registrar-servers.comdns2.registrar-servers.com
registrar-servers.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more
Google Workspacereceives its email
TLS
tls.automattic.com
Google Trust Servicesissued its certificate
DNS Records
A 2
199.16.172.26199.16.173.211
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10aspmx2.googlemail.com10aspmx3.googlemail.com
TXT 1
google-site-verification=z-xG8OaVAglSMQpWFrQM2tscFMgaQeTm7g1ywiZjfvQ
NS 2
dns1.registrar-servers.comdns2.registrar-servers.com
SOA 1
dns1.registrar-servers.com hostmaster.registrar-servers.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
tls.automattic.com |
C=US, O=Google Trust Services, CN=WR1 | Fri, 23 Oct 2026 06:18:11 +0000 |
WR1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R1 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R1 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (1)
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_171dc2c99a0c0a3c- Output Hash
017d4b52f0b950d2c2499eb2c42038ad64fc24da61c5de967c404de67161c228- Signature
ed25519:5a27ba5be1f6345af1fba9b1d6e79f6144acf56b32540da9784975323a4c6a0a7164772a210043bd3b55e209bfd39383f9c053a1c3315c4f7ff440053df78307- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast