dfg.de
Observed Jul 21, 2026, 19:42 UTC (1d 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
Runs onCONET Deutschland
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesAtlassianGoogle Search Console
1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dfg.de actually stands on - every host below is a signed observation
dfg.de
A / AAAA
217.19.13.128
CONET Deutschlandserves the site
NS
dns-3.dfn.dedns-2.dfn.dedns-1.dfn.de
dfn.deanswers its DNS
MX
dfg-de.mail.protection.outlook.commx.dfg.de
Microsoft 365receives its email
TLS
dfg.de
Let's Encryptissued its certificate
DNS Records
A 1
217.19.13.128
MX 2
10dfg-de.mail.protection.outlook.com40mx.dfg.de
TXT 13
successfactors-site-verification=MjQwZjgwYWEwM2E4MTQyODc3NzdhZWM1Zjc1Njk4NDFlMmExYTEwODQzODI1Yzc5YTkyOGE5YzI1N2I0MWM1Ng==TTL:3600b6MgjhLEmjhHJWsQpMwHVg52udFViJs6mhVoaWDBOG0rQuNyeTyzezIS0CWBa6LTmGc/VT3v/dRWJyy0IPOxbw==zone-ownership-verification-73ee138b6e2b826c1fdffd6d2806c2b997ebfcf8981698a3d2ecbfbfc233bfd6atlassian-domain-atlassian-domain-verification=ZquMES87ckUdr3doxtvfTciNffbITf2EYEkRMh7xSuUIRhiIz1po7xE55TqXu7jx1r7dg4ylctk9jjm84ndpctc125y4p91qv=spf1 ip4:193.104.82.0/24 ip4:83.143.0.155 ip4:62.146.140.213 ip4:83.143.6.29 ip4:83.143.6.30 ip4:35.242.247.107 ip4:34.107.8.58 ip4:83.143.6.67 ip4:83.143.6.68 include:spf.protection.outlook.com -allapple-domain-verification=HBEmVebPNl2oYcmtadobe-idp-site-verification=9825e69dee778f21cfa148f3aeee96d0f085cd46e3b4c7058ba0c9bd43c84b85_acme-challenge.dfg.de=dn76A5YxoLh7sIsonYKTycLGBCiSB8OwfyfeLeejqc0successfactors-site-verification=MjQwZjgwYWEwM2E4MTQyODc3NzdhZWM1Zjc1Njk4NDFlMmExYTEwODQzODI1Yzc5YTkyOGE5YzI1N2I0MWM1Ng==
NS 3
dns-3.dfn.dedns-2.dfn.dedns-1.dfn.de
SOA 1
srwgp590.dfg.de admin.dfg.de
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
dfg.de |
C=US, O=Let's Encrypt, CN=YE1 | Tue, 15 Sep 2026 07:05:34 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | 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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_f018ce5fc813eeaf- Output Hash
6f87ca76619dd6168dfad6f244df40267f93f13a5271ec806656aec95614809a- Signature
ed25519:6eac9ddbb123bb76b108b46b0ed48f052cd488b3f3acc2780d3d2920281394a6dfff1393cc083243a70f7d8fbac2d04e74812580bf99dee2e59960fc9d874c03- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast