reef.org
Observed Jul 25, 2026, 01:59 UTC (3d 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
Secured byLet's Encrypt
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat reef.org actually stands on - every host below is a signed observation
reef.org
A / AAAA
69.164.198.202
unattributedserves the site
NS
ns-cloud-c1.googledomains.comns-cloud-c2.googledomains.comns-cloud-c3.googledomains.comns-cloud-c4.googledomains.com
googledomains.comanswers 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
*.reef.org
Let's Encryptissued its certificate
DNS Records
A 1
69.164.198.202
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com
TXT 3
zoho-verification=zb93795955.zmverify.zoho.comv=spf1 ip4:69.164.198.202 ip4:192.53.160.252 ip6:2600:3c00::f03c:94ff:fe49:9a74 ip6:2600:3c00:0:0:f03c:93ff:fe2c:d53b include:_spf.google.com ~allv=DMARC1; p=none; rua=mailto:postmaster@reef.org; pct=100; adkim=r; aspf=r
NS 4
ns-cloud-c1.googledomains.comns-cloud-c2.googledomains.comns-cloud-c3.googledomains.comns-cloud-c4.googledomains.com
SOA 1
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.reef.org |
C=US, O=Let's Encrypt, CN=YR2 | Tue, 01 Sep 2026 04:14:24 +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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_275a59136007c7ea- Output Hash
fc803ef0097efa13bd01302b19bd6ea1190954da70216ce4425dafd3c4aea9ad- Signature
ed25519:29fc80c69f78c7bec276001375d92205b88d9baadee5e8d136f3102e8f5a98865cd2db03a29ccbdc0e29124722fbd46008e15fff5990053d0af22d3b86037408- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast