CONTINUOUS INTERNET TELEMETRY24H DRIFT22,591 material changesacross 20,783 domains · 24h to ~55m agoROTATION56 domains moved DNS from koaladns.com to kirklanddc.com, 56 moved backa rotation loop, not a migration · 24hEMAIL DRIFT1 domain switched email providertop destination ~NOW605 curated domains not reachablelast probe, steadySITE ERRORS33,530 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 118,011 sites429 rate-limit / 403 bot-block, a posture signal

letter4u.me

Observed Aug 2, 2026, 12:26 UTC (6d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of letter4u.me was taken 6d ago

letter4u.me is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting letter4u.me under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch letter4u.me Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Verify this receipt yourself + Watch this domain
Up right now
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat letter4u.me actually stands on - every host below is a signed observation
letter4u.me
A / AAAA
216.150.16.193216.150.1.129
unattributedserves the site
NS
ns1.vercel-dns.comns2.vercel-dns.com
vercel-dns.comanswers its DNS
TLS
letter4u.me
Let's Encryptissued its certificate

DNS Records

A 2

  • 216.150.16.193
  • 216.150.1.129

TXT 1

  • google-site-verification=ouOsHg3FxMPfG0VfFB5QKbxh8lymhhYcyWFHm0Fhvdc

NS 2

  • ns1.vercel-dns.com
  • ns2.vercel-dns.com

SOA 1

  • ns1.vercel-dns.com hostmaster.nsone.net

CAA 3

  • issue "letsencrypt.org"
  • issue "pki.goog"
  • issue "sectigo.com"

TLS Certificates (3)

Common NameIssuerExpires
letter4u.me C=US, O=Let's Encrypt, CN=YR2 Fri, 11 Sep 2026 17:26:50 +0000
YR2 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.

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 receipt

Ed25519 Receipt

Receipt ID
rcpt_9afeea240815f07e
Output Hash
d43c26f574325415c0aa1548a5afca5533f8610c129c37b6c747313283bc5d64
Signature
ed25519:d7943d02671c16a34c1e0485036a3afae6ab2e5d5a77f630be98cbca2da4204c684dfe84c3a7b76a8237b653aad41d3157fee1c72df78db3aa3d84c6e34e2206
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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