fer.hr
Observed Jul 21, 2026, 16:53 UTC (2d 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 byHellenic Academic and Research Institutions CA
Also usesZoomGoogle Search Console
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat fer.hr actually stands on - every host below is a signed observation
fer.hr
A / AAAA
161.53.72.119
unattributedserves the site
NS
labs5.fer.hrsysdns.carnet.hrtoro.fer.hr
fer.hr + carnet.hranswers its DNS
MX
fer-hr.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.fer.hr
Hellenic Academic and Research Institutions CAissued its certificate
DNS Records
A 1
161.53.72.119
MX 1
1fer-hr.mail.protection.outlook.com
TXT 11
amazonses:rpTmi1YHoupkN1pKUQvWsFll13ny/AiW7JvX22wJE/c=ZOOM_verify_Ppe3idN4TGS7J7JH2ATU_ggoogle-site-verification=UJGN2OFzR4i7TqJVS9AZd9eNl1VWlulW10Nq-KHV1PItWfeXfT/8dO+7Lpa5REWh3pASQErEh8gLqYU4hQ6u4VdJTY7tlc3JivomJiwOIs5KUDOmcgQUs3mtcbG+rBhnQ==MS=34689B116A78E433D9BB3A222006AFE3F0010A5Bv=spf1 a mx include:spf.protection.outlook.com ip6:2001:b68:16::/48 ip4:161.53.72.0/24 a:mail.fer.hr a:postar.fer.hr a:cit.fer.hr a:maja.zesoi.fer.hr ~allHARICA-0alBOm0UqEGuoOF57HLOSSRH-77497google-site-verification=hHkmzODU1_COYQHTtJGX00k7Xq0saRK6V_0XdfnQBcwgoogle-site-verification=7nqHVXNj03s6r6chtRNY7dPNDuX5QleEQ8_hHgUngM8
NS 3
labs5.fer.hrsysdns.carnet.hrtoro.fer.hr
SOA 1
labs5.fer.hr postmaster.labs5.fer.hr
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
*.fer.hr |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Tue, 29 Dec 2026 07:22:12 +0000 |
*.fer.hr |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 | Tue, 29 Dec 2026 07:22:12 +0000 |
GEANT TLS RSA 1 |
C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021 | Sat, 31 Dec 2039 11:14:59 +0000 |
HARICA TLS RSA Root CA 2021 |
C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015 | Fri, 31 Aug 2029 07:41:54 +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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_cf99a38da041f6e7- Output Hash
5e0716dc74e0ce7a0b41b11a8db03ea3b165e023f4f21f635828e9443a7056bd- Signature
ed25519:2bd35085b5879ef4a617a1859df7b175126370db933a8809b42467f4168154afeaf98e2cca13d29e84d20e1ca9f7b674a697b00b16a88c295062419400f6e201- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast