jeffreifman.com
Observed Aug 16, 2026, 15:39 UTC (2h 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 byMailgun
MailgunSecured byLet's Encrypt
Let's EncryptAlso usesGoogle Search ConsoleKeybase
Google Search Console
Keybasedomcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jeffreifman.com actually stands on - every host below is a signed observation
jeffreifman.com
A / AAAA
24.144.69.16
unattributedserves the site
NS
dns1.registrar-servers.comdns2.registrar-servers.com
registrar-servers.comanswers its DNS
MX
mxa.mailgun.orgmxb.mailgun.org
Mailgunreceives its email
TLS
jeffreifman.com
Let's Encryptissued its certificate
DNS Records
A 1
24.144.69.16
MX 2
10mxa.mailgun.org10mxb.mailgun.org
TXT 3
v=spf1 include:mailgun.org ~allgoogle-site-verification=blTgEw01UWdawMuPGspLCZft6vkRwxck_l2j5QFSx5Mkeybase-site-verification=qG2zMYf_psw2RfUpAZruY-avnIRhv49hw2sXUCgtYWk
NS 2
dns1.registrar-servers.comdns2.registrar-servers.com
SOA 1
dns1.registrar-servers.com hostmaster.registrar-servers.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
jeffreifman.com |
C=US, O=Let's Encrypt, CN=YE1 | Wed, 04 Nov 2026 05:44:58 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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_3e981eb58104681f- Output Hash
30078ee878a2170f2e425147a87c872fb1cd529bd95ead008fe93c4baa4cb9ea- Signature
ed25519:375c224c8872398441dea1a3abef81bcdddcb08de77782f262b615438813189d09c3e6f05327fa00bea91e492221bea7b0feb34ebbcfa9426da16e4098d73504- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast