johnmartin.com

Observed Aug 16, 2026, 11:54 UTC (7h 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.

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Up right now
Email byMailchimp
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat johnmartin.com actually stands on - every host below is a signed observation
johnmartin.com
A / AAAA
44.229.137.224
unattributedserves the site
NS
ns-1218.awsdns-24.orgns-1849.awsdns-39.co.ukns-207.awsdns-25.comns-977.awsdns-58.net
awsdns-24.org + awsdns-39.co.uk + moreanswers its DNS
MX
mxa.global.inbound.cf-emailsecurity.netmxb.global.inbound.cf-emailsecurity.net
Mailchimpreceives its email
TLS
johnmartin.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 44.229.137.224

MX 2

  • 10mxa.global.inbound.cf-emailsecurity.net
  • 20mxb.global.inbound.cf-emailsecurity.net

TXT 1

  • v=spf1 mx include:spf.emailsignatures365.com include:spf.everycloudtech.com include:servers.mcsv.net include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:spf.hornetsecurity.com -all

NS 4

  • ns-1218.awsdns-24.org
  • ns-1849.awsdns-39.co.uk
  • ns-207.awsdns-25.com
  • ns-977.awsdns-58.net

SOA 1

  • ns-1849.awsdns-39.co.uk awsdns-hostmaster.amazon.com

DMARC_RECORDS 1

  • v=DMARC1; p=none; rua=mailto:postmaster@johnmartin.com;

TLS Certificates (3)

Common NameIssuerExpires
johnmartin.com C=US, O=Let's Encrypt, CN=YR2 Mon, 12 Oct 2026 07:44:41 +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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_e55351a424e89f64
Output Hash
2e8d4e7ea73e8f3ab62843f919ef02dfbee82b01cbd5eb54bc5423c286ae281a
Signature
ed25519:b777677cc14fc442401b11ef6b9522a51cf2e79de66d5047dd30308c605fb60863ce18641f9bbf17699c1f1c92eca69fe553991c91fddd598ad635422cad850b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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