jeffcaldwell.ca
Observed Aug 16, 2026, 08:32 UTC (3h 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
Secured byLet's Encrypt
Let's EncryptRegistered withGo Get Canada Domain Registrar Ltd.
Also usesAppleGoogle Search Console
Apple
Google Search Console1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jeffcaldwell.ca actually stands on - every host below is a signed observation
jeffcaldwell.ca
A / AAAA
185.199.109.153185.199.108.153
unattributedserves the site
NS
dns1.registrar-servers.comdns2.registrar-servers.com
registrar-servers.comanswers its DNS
MX
mx01.mail.icloud.commx02.mail.icloud.com
icloud.comreceives its email
TLS
www.jeffcaldwell.ca
Let's Encryptissued its certificate
DNS Records
A 2
185.199.109.153185.199.108.153
MX 2
10mx01.mail.icloud.com10mx02.mail.icloud.com
TXT 3
apple-domain=xwzN6F5AOIbi7SpXv=spf1 include:icloud.com ~allgoogle-site-verification=wTIuUYVHt-bsfs8xy_wciQ5YUoCwnx9lWrztWTMmAXM
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 |
|---|---|---|
www.jeffcaldwell.ca |
C=US, O=Let's Encrypt, CN=YR1 | Wed, 30 Sep 2026 08:05:53 +0000 |
YR1 |
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_79d339344a936b46- Output Hash
6c094b3d93ae9aad7e2fdff2b37c65e4ff52fd3a00d784c9b8baed753151ddea- Signature
ed25519:a01e4f99643432fe99dee2c4a56503da24fbf530e2946b1778fdded663e64b385a998c32fa951ad06efe270ad804436ccfe19d843da0ce72228b24665ff0170e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast