alfsee.de
Observed Jul 23, 2026, 04:45 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
Email byMicrosoft 365
Secured byLet's Encrypt
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat alfsee.de actually stands on - every host below is a signed observation
alfsee.de
A / AAAA
176.52.244.164
unattributedserves the site
NS
ns1093.ui-dns.dens1126.ui-dns.orgns1119.ui-dns.comns1018.ui-dns.biz
ui-dns.de + ui-dns.org + moreanswers its DNS
MX
alfsee-de.mail.protection.outlook.com
Microsoft 365receives its email
TLS
alfsee.de
Let's Encryptissued its certificate
DNS Records
A 1
176.52.244.164
MX 1
10alfsee-de.mail.protection.outlook.com
TXT 2
v=spf1 ip4:91.249.155.146 include:spf.protection.outlook.com include:agenturserver.de -allv=DMARC1; p=quarantine; pct=100; rua=mailto:re+mj0ccdlolpa@dmarc.postmarkapp.com; sp=quarantine; aspf=r;
NS 4
ns1093.ui-dns.dens1126.ui-dns.orgns1119.ui-dns.comns1018.ui-dns.biz
SOA 1
ns1126.ui-dns.org hostmaster.1und1.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
alfsee.de |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 11 Oct 2026 23:30:00 +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 receiptEd25519 Receipt
- Receipt ID
rcpt_c0c33f2b817100b5- Output Hash
f0a3db88773ddc106bbf6712e75c62069462159f8369d74c4f20def9b49e6ae6- Signature
ed25519:bfbadfbcb362859f7afdd5c65b9546e90ae5533a3a6e22f977e93b5272495250c0445924cc6ad567e9d399d5ab6d8898ba09bf9ef0a2962b3b2f506ca0420904- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast