1und1.de
Observed Jul 18, 2026, 12:04 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onIONOS SE
Secured byDigiCert
Also usesGoogle Search ConsoleAtlassianFacebook/MetaDocuSignDockerMiroFigma
IPv6 · telecom
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat 1und1.de actually stands on - every host below is a signed observation
1und1.de
A / AAAA
217.160.72.62001:8d8:5ff:7::1:3
IONOS SEserves the site
NS
ns-1and1.ui-dns.orgns-1and1.ui-dns.dens-1and1.ui-dns.comns-1and1.ui-dns.biz
ui-dns.org + ui-dns.de + moreanswers its DNS
MX
mxint02.1and1.commxint01.1and1.com
1and1.comreceives its email
TLS
*.1und1.de
DigiCert Incissued its certificate
DNS Records
A 1
217.160.72.6
AAAA 1
2001:8d8:5ff:7::1:3
MX 2
10mxint02.1and1.com10mxint01.1and1.com
TXT 33
MS=ms72401757MS=ms60767331y19zp3xfq9q6h3sxtgdxnztm1t1cyvyngoogle-site-verification=FfeqcVTO1mee1wYkB9yM6QrLZOyme1zf9vtZUXp-qlsgoogle-site-verification=scsrjP2WSsEhQuHP-JwaMt73YzmcDUM2ypvi_mq-HL4google-site-verification=iK1ntngp22OUuEF9QgtlJYsoGOKBox8nEKnlbWvFVTY86400atlassian-domain-verification=KAEkvhtoErKIDdiyb7e0wzavuISNOteHVzuoJX6M4VNN5REeLHY0BhBUYNFjFEt9facebook-domain-verification=9ezukrd1aasxq2gicbnxyo6whehtxkdocusign=5b733e1d-784b-4f07-98d9-4262d190eef3google-site-verification=NJHrqsz0okE4ONv7jdtK4qYbktUxf_FWxAphPoebo6E
NS 4
ns-1and1.ui-dns.orgns-1and1.ui-dns.dens-1and1.ui-dns.comns-1and1.ui-dns.biz
SOA 1
ns-1and1.ui-dns.de dnsadmin.1und1.de
SRV 1
mail.united-internet.org:443 p100
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
*.1und1.de |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1 | Sun, 03 Jan 2027 23:59:59 +0000 |
GeoTrust TLS RSA CA G1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Tue, 02 Nov 2027 12:23:37 +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
78e02bc2-579f-49e9-a4a7-d0baf88a67ed- Output Hash
d0409970100725160a55c1f89693e78e93a583532f5589f991b76639180bad69- Signature
ed25519:3ab536f592aeaa9b0a7edf30ae1606539f06eafa81a57874687fb7588286c979605559ea6c97464580be2436c9a0b10f507c30ec4f73afb49f1be8f8ff8fd305- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast