rofu.de
Observed Jul 28, 2026, 17:46 UTC (12h 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 bySendGrid
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rofu.de actually stands on - every host below is a signed observation
rofu.de
A / AAAA
138.199.245.109138.199.245.111
unattributedserves the site
NS
bart.ns.cloudflare.comuma.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
fml.rofu.de
SendGridreceives its email
TLS
*.rofu.de
Let's Encryptissued its certificate
DNS Records
A 2
138.199.245.109138.199.245.111
MX 1
10fml.rofu.de
TXT 12
2q99l1brqcgwmg01j602t4ybbcvpkrnsMS=ms18453262_89s6sjwt9htcmgz1f10rg8pajnd3walamazonses:s88BR9Wq6gYFa6ygRt+HXR+7F3M+TiPtmCP8EWY4u7E=anthropic-domain-verification-s2z0s7=9DXPZ4Qne7kDpq27NdCn42uI9apple-domain-verification=4m3xquWLXKBSBjO1brevo-code:8f191146cb9e698b3e429c9a26476275brevo-code:def57c5b8bde792208ba64b4b7e29833google-site-verification=YZXkjJgidbMAg8pH81OZghNqwRemrDAgvNa5gIU3AFcsophos-domain-verification=22dbe7818f76945f83ec13a929dfe3910bf3457559d2df022d626df4507c7793
NS 2
bart.ns.cloudflare.comuma.ns.cloudflare.com
SOA 1
bart.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.rofu.de |
C=US, O=Let's Encrypt, CN=YR2 | Thu, 01 Oct 2026 17:28:56 +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 (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_565b05f8228dbd99- Output Hash
5dc03ebcadc540cdc60852cdd6eb68beac1e17d2e376fd673ea45697e38d3005- Signature
ed25519:b2ee0dcfd56829c4249f1f6800bf8d1c6fd279b38f496323d5b01f3455598578852ab403dab8825a297a8c46324560eb0f5c028db62123dfd160871a03e6e704- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast