alfeld.de
Observed Jul 23, 2026, 08:39 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
Secured byLet's Encrypt
Also usesGoogle Search Console
IPv6 · 1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat alfeld.de actually stands on - every host below is a signed observation
alfeld.de
A / AAAA
49.12.111.2512a01:4f8:c17:f606::1
2a01serves the site
NS
ns1.domainoffensive.dens2.domainoffensive.dens3.domainoffensive.de
domainoffensive.deanswers its DNS
MX
mx00.kundenserver.demx01.kundenserver.de
kundenserver.dereceives its email
TLS
alfeld.de
Let's Encryptissued its certificate
DNS Records
A 1
49.12.111.251
AAAA 1
2a01:4f8:c17:f606::1
MX 2
10mx00.kundenserver.de10mx01.kundenserver.de
TXT 5
google-site-verification=-Oq0sVzb6oIGF4_8xXLiiDYf3a3C_Crm1FSCS8TR6Ecgoogle-site-verification=FJhZ_L3bJt9_Olvu0GFdr0NXhDsq1RNbAsgms-jDnlogoogle-site-verification=qSjXLxbeIqJP32yqs0OFul_cU2DupfgCIE0eSxMH0i0v=spf1 a:alfeld.de a:dna-ev.de mx:plenet.org mx:tbspace.de include:_spf.perfora.net include:_spf.kundenserver.de include:agenturserver.de ~allv=DMARC1; p=none; rua=mailto:alfeld-d@dmarc.report-uri.com;
NS 3
ns1.domainoffensive.dens2.domainoffensive.dens3.domainoffensive.de
SOA 1
ns3.domainoffensive.de info.domains.resellerinterface.de
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
alfeld.de |
C=US, O=Let's Encrypt, CN=YR2 | Wed, 16 Sep 2026 21:01:47 +0000 |
YR2 |
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 (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_f17f3e8040de2b47- Output Hash
b715c3419cb334879bf2772334da714242b5c3d35b94dbaa5f70586f6b33ed9f- Signature
ed25519:34804508734b18dadea2e15eeba28422941d797dc158248b652ed19fe07578f62f9a63a3b1d2be0e0238907ec327ab0984a037d02c6d977adeb02081e7506d03- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast