readibu.com
Observed Aug 16, 2026, 08:27 UTC (6h 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
Email byGoogle Workspace
Google WorkspaceSecured byLet's Encrypt
Let's EncryptAlso usesGoogle Search Console
Google Search Consoledomcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat readibu.com actually stands on - every host below is a signed observation
readibu.com
A / AAAA
216.150.1.1
unattributedserves the site
NS
ns1.dnsimple-edge.comns2.dnsimple-edge.netns3.dnsimple-edge.ions4.dnsimple-edge.org
dnsimple-edge.com + dnsimple-edge.net + moreanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
readibu.com
Let's Encryptissued its certificate
DNS Records
A 1
216.150.1.1
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
TXT 1
google-site-verification=kUpSc0gusWg-ty1CFDBZ2nL1Q8vi5La2DopobKAQxvU
NS 4
ns1.dnsimple-edge.comns2.dnsimple-edge.netns3.dnsimple-edge.ions4.dnsimple-edge.org
SOA 1
ns1.dnsimple-edge.com admin.dnsimple.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
readibu.com |
C=US, O=Let's Encrypt, CN=YR2 | Thu, 22 Oct 2026 09:05:29 +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 receiptEd25519 Receipt
- Receipt ID
rcpt_d5086d4c6ca56bfe- Output Hash
7e2da6c0b84928554fe1fd2b56e249fdd4da7dbc73c0479d1357606541e5bb71- Signature
ed25519:e8eeb65c3700ec21bc20935c38affa636b676782df048c2860bc761ad1b9b42f89efd19224f36cc303496fb85d781ad2af36ec489b1c2fffeab42293a299330f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast