jfm.dk
Observed Aug 16, 2026, 07:10 UTC (16h 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
Also usesFacebook/MetaGoogle Search ConsoleAdobeAtlassian
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jfm.dk actually stands on - every host below is a signed observation
jfm.dk
A / AAAA
185.21.40.164
unattributedserves the site
NS
ns1.simply.comns2.simply.comns3.simply.com
simply.comanswers its DNS
MX
jfm-dk.mail.protection.outlook.com
Microsoft 365receives its email
TLS
jfm.dk
Let's Encryptissued its certificate
DNS Records
A 1
185.21.40.164
MX 1
0jfm-dk.mail.protection.outlook.com
TXT 9
MS=ms10828759e6522e7is693eicl9hpi0297ldg74fk3squek9qnjl1579jv92spfacebook-domain-verification=2cpldoffmsv8uqqldlvnasea92ttt0google-site-verification=3VcmQp0sAgVal9_UPFnrAZr-HptbNmsu8tFN0_q8Qn4google-site-verification=91mXefgvUF3QtFJ--9NwtfC_ZFfn0hZJada_rI0PtlQadobe-idp-site-verification=d86a62e97d5226ade44bd2b52f2e08fdee11c292465eee7cecdff0fca33d6260atlassian-domain-verification=85G1GUbA51FR5britiXuZurUHNKi1alGq6CLf8a9kaEWWZZxxtbe3AKT67DuRP9Vv=spf1 ip4:80.63.11.74 ip4:193.163.96.23 ip4:193.163.97.21 ip4:193.163.97.22 include:spf1.emarketeer.com include:spf.logicalware.com include:spf.protection.outlook.com include:amazonses.com -all
NS 3
ns1.simply.comns2.simply.comns3.simply.com
SOA 1
ns1.simply.com hostmaster.simply.com
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:66f14a574745c@dmarc-dk.centerasecurity.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
jfm.dk |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 07 Nov 2026 08:24:46 +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 receiptEd25519 Receipt
- Receipt ID
rcpt_cce77526fd7aead7- Output Hash
2d38040474a3ff751df223e6e3800678ff32f9273ab17176b3d617809bf672aa- Signature
ed25519:b6c29d5e00a19ef6b37fd548254ab2e0a88aae3c1fcdd71efe354d2d549db89018dd193c477ca84cb57d273ebc3748b8be4e9df4dff4e84bc2409f4d87b58203- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast