ifo.de

Observed Jul 24, 2026, 03:43 UTC (6m 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onFastly

Secured byCertainly

Also usesGoogle Search Console

2 subdomains · tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat ifo.de actually stands on - every host below is a signed observation

ifo.de

A / AAAA

151.101.3.42151.101.67.42151.101.131.42151.101.195.42

Fastlyserves the site

ns1-06.azure-dns.comns2-06.azure-dns.netns3-06.azure-dns.orgns4-06.azure-dns.info

azure-dns.com + azure-dns.net + moreanswers its DNS

mailmx2.ifo.demailmxs.ifo.de

ifo.dereceives its email

TLS

www.cesifo.org

Certainlyissued its certificate

DNS Records

A 4

151.101.3.42
151.101.67.42
151.101.131.42
151.101.195.42

MX 2

40mailmx2.ifo.de
20mailmxs.ifo.de

TXT 5

v=spf1 ip4:195.37.188.144 ip4:195.37.188.141 include:spf.protection.outlook.com include:mail.pi-asp.de include:_spf.tivian.com mx ~all
google-site-verification=-PFGeMBX39hiiDW-DDrKc-1nkkWXeoAff4txSbHL8dE
HARICA-4fVHMlojW5kWRizHXUZ
anthropic-domain-verification-r6fwfw=D25SAajC8HaKHHrRmeky4KqjW
v=DMARC1; p=none; rua=mailto:dmarc.aggregate@ifo.de; ruf=mailto:dmarc.forensic@ifo.de

NS 4

ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org
ns4-06.azure-dns.info

SOA 1

ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com

TLS Certificates (2)

Common Name	Issuer	Expires
`www.cesifo.org`	C=US, O=Certainly, CN=Certainly Intermediate R1	Tue, 04 Aug 2026 07:33:17 +0000
`Certainly Intermediate R1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Root Certificate Authority - G2	Mon, 21 Jun 2032 23:59:59 +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 ifo.de. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_6d8cffb75510eb9b
Output Hash: 896056285e69d66aed516cfbcb04eba349f1a33706313e55b2a101687dd2915c
Signature: ed25519:b07fb0f9746429d134ba1d340aaac4a5d4cad943c03d4c44cb718890ae8cd6a01a31397680d9ad695ca6959ef4330500ab1f9e2e3516c22fecb46745177ef70d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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