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e-teaching.org

Observed Jul 29, 2026, 03:57 UTC (9h 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 byMicrosoft 365
Secured byHellenic Academic and Research Institutions CA
2 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat e-teaching.org actually stands on - every host below is a signed observation
e-teaching.org
A / AAAA
134.2.234.120
unattributedserves the site
NS
deneb.dfn.dedns1.belwue.dedns1.iwm-kmrc.dedns4.uni-tuebingen.de
dfn.de + belwue.de + moreanswers its DNS
MX
eteaching-org0c.f-v1.mx.microsoft
Microsoft 365receives its email
TLS
e-teaching.org
Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

  • 134.2.234.120

MX 1

  • 0eteaching-org0c.f-v1.mx.microsoft

TXT 4

  • v=spf1 ip4:134.2.234.99/32 include:spf.protection.outlook.com -all
  • HARICA-CFuvK6NB3EOMs2VFgYe
  • MS=ms43054521
  • v=DMARC1; p=none; rua=mailto:b2742db3@in.mailhardener.com,mailto:dmarc@dmarc.iwm-tuebingen.de; ruf=mailto:b2742db3@in.mailhardener.com,mailto:dmarc@dmarc.iwm-tuebingen.de

NS 4

  • deneb.dfn.de
  • dns1.belwue.de
  • dns1.iwm-kmrc.de
  • dns4.uni-tuebingen.de

SOA 1

  • dns1.iwm-kmrc.de sysadmin.iwm-kmrc.de

CAA 3

  • issue "harica.gr"
  • issue "pki.dfn.de"
  • issue "sectigo.com"

TLS Certificates (3)

Common NameIssuerExpires
e-teaching.org C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1 Fri, 11 Dec 2026 08:24:04 +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 (2)

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for e-teaching.org. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for e-teaching.org <a href="https://domaindrift.io/t/e-teaching.org"> <img src="https://domaindrift.io/badge/e-teaching.org.svg" width="300" height="64" alt="DomainDrift signed observations for e-teaching.org"> </a>

Ed25519 Receipt

Receipt ID
rcpt_1b1ab77fa591f52e
Output Hash
341df414913f7d6a91e07859c0972950c83a2dc19b06a9cf925cc700c6b56e7f
Signature
ed25519:994e6c3c47a571849cc79987e640f2aefa0abd073a6610eeef7d958ab2d58818ea1eedc214cd4e0feb58b3d7f2063828ee98c52d31f96fbf69f55c663b69d30e
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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