CONTINUOUS INTERNET TELEMETRY24H DRIFT2,081 material changesacross 1,949 domains · +3 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination alidns.comEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,148 curated domains not answeringlast probe, steadyERRORS9,002 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED24,369 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT2,081 material changesacross 1,949 domains · +3 vs yesterdayDNS DRIFT15 domains changed DNS providertop destination alidns.comEMAIL DRIFT8 domains switched email providertop destination google.comCERT DRIFT46 domains switched issuing CA24hNOW1,148 curated domains not answeringlast probe, steadyERRORS9,002 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED24,369 throttled or blocked our scanner429 rate-limit / 403 bot-block

techfak.net

Observed Jul 17, 2026, 15:17 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onVerein zur Foerderung eines Deutschen Forschungsnetzes e.V
Secured byLet's Encrypt
Registered withHetzner Online GmbH
IPv6 · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat techfak.net actually stands on - every host below is a signed observation
techfak.net
A / AAAA
129.70.142.932001:638:504:2040::93
Verein zur Foerderung eines Deutschen Forschungsnetzes e.Vserves the site
NS
auth0.DNS.techfak.netauth1.DNS.techfak.netauth-ext0.DNS.techfak.net
techfak.netanswers its DNS
MX
gw1.mail.techfak.netgw2.mail.techfak.net
techfak.netreceives its email
TLS
techfak.net
Let's Encryptissued its certificate

DNS Records

A 1

  • 129.70.142.93

AAAA 1

  • 2001:638:504:2040::93

MX 2

  • 100gw1.mail.techfak.net
  • 100gw2.mail.techfak.net

TXT 2

  • HARICA-H32oIjvDyhIMI1Tnfsm
  • v=spf1 redirect=_spf.techfak.net

NS 3

  • auth0.DNS.techfak.net
  • auth1.DNS.techfak.net
  • auth-ext0.DNS.techfak.net

SOA 1

  • dns.techfak.net hostmaster.techfak.net

CAA 5

  • iodef "mailto:support@techfak.net"
  • issue "harica.gr"
  • issue "letsencrypt.org"
  • issue "pki.dfn.de"
  • issue "sectigo.com"

TLS Certificates (3)

Common NameIssuerExpires
techfak.net C=US, O=Let's Encrypt, CN=YR1 Sun, 06 Sep 2026 10:45:01 +0000
YR1 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 (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 receipt

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

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

Ed25519 Receipt

Receipt ID
3124d5c0-e46f-4694-b699-cb6428178e90
Output Hash
9fa0e98f3c71c818e9e5da9eaa28c669b76d887955037433dac9b2c3f4aa6777
Signature
ed25519:816f1cb872f36a9738a6501c41765d0d5faa180deec3363a396fe91e09b284babcef8ee53c44fcda4404d89dd6fea960921bbaadb3ad741815ca67113ad96a05
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser