rt1.de
Observed Jul 26, 2026, 06:28 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 bySectigo
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rt1.de actually stands on - every host below is a signed observation
rt1.de
A / AAAA
213.182.6.68
unattributedserves the site
NS
ns1.dns.speedkom.netns2.dns.speedkom.net
speedkom.netanswers its DNS
MX
mx01.hornetsecurity.commx02.hornetsecurity.commx03.hornetsecurity.commx04.hornetsecurity.com
hornetsecurity.comreceives its email
TLS
www.rt1.de
Sectigo Limitedissued its certificate
DNS Records
A 1
213.182.6.68
MX 4
10mx01.hornetsecurity.com10mx02.hornetsecurity.com10mx03.hornetsecurity.com10mx04.hornetsecurity.com
TXT 8
MS=ms39153099MS=ms53597297apple-domain-verification=DREFd2zAwCsmhLLOgoogle-gws-recovery-domain-verification=72793114knowbe4-site-verification=be845072b89dadb5519e686aecac8301adobe-idp-site-verification=81d4738b4017aded75851ae31077699f5bcb59f00082d7810eee68217f76e623v=spf1 a mx ip4:82.135.96.224/27 ip4:94.130.89.59 ip4:62.245.237.128/25 include:_spf.welocal.cloud include:spf.protection.outlook.com include:spf.emailsignatures365.com include:spf.hornetsecurity.com -allv=DMARC1; p=quarantine; sp=quarantine; rua=mailto:dmarc@rt1.de; ruf=mailto:dmarc@rt1.de; adkim=r; aspf=r; fo=1
NS 2
ns1.dns.speedkom.netns2.dns.speedkom.net
SOA 1
ns1.dns.speedkom.net hostmaster.speedkom.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.rt1.de |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV E36 | Thu, 11 Mar 2027 23:59:59 +0000 |
Sectigo Public Server Authentication CA DV E36 |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root E46 | Fri, 21 Mar 2036 23:59:59 +0000 |
Sectigo Public Server Authentication Root E46 |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust ECC Certification Authority | Mon, 18 Jan 2038 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_85952aa981c8c843- Output Hash
833d6008b5c5c650ba1fe41584d59f21149cd745166b9ce29b4895f159414a7e- Signature
ed25519:d461cf07ada4df50a0cb1d4ee53f0276832f245bcd370fd74b7f379415fd1584a5a4142ab46fd0d83e1550fcd964b56d8ffd2a4c54c2f8e2b0de0da9c136aa0f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast