rheum.ca
Observed Jul 26, 2026, 06:18 UTC (6d 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 byMicrosoft 365
Secured byLet's Encrypt
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rheum.ca actually stands on - every host below is a signed observation
rheum.ca
A / AAAA
159.203.62.172
unattributedserves the site
NS
ns2154.dns.dyn.comns3170.dns.dyn.comns4193.dns.dyn.comns1190.dns.dyn.com
dyn.comanswers its DNS
MX
rheum-ca.mail.protection.outlook.com
Microsoft 365receives its email
TLS
rheum.ca
Let's Encryptissued its certificate
DNS Records
A 1
159.203.62.172
MX 1
0rheum-ca.mail.protection.outlook.com
TXT 3
v=spf1 a include:spf.protection.outlook.com include:sendgrid.net include:amazonses.com -allMS=ms52102597v=DMARC1; p=none;
NS 4
ns2154.dns.dyn.comns3170.dns.dyn.comns4193.dns.dyn.comns1190.dns.dyn.com
SOA 1
ns1.mydyndns.org zone-admin.dyndns.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rheum.ca |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 11 Oct 2026 01:08:47 +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 (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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_10f8efa50d1a9b2d- Output Hash
4db323afd1facf3830bf1d5ff09657360064aa0fc8effb3ffe8f9cbd1930d949- Signature
ed25519:3cdc0e9e368c7b83f7b70d03f71a16015d96bdff0f944aaf78650b4103d61d63d86fdd474ec9533eabd8d61b125d812a3e3ee55420d96a1cdd0b3f7deb80730f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast