rfbenchmark.eu
Observed Aug 2, 2026, 21:14 UTC (15h 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
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rfbenchmark.eu actually stands on - every host below is a signed observation
rfbenchmark.eu
A / AAAA
51.75.52.113
unattributedserves the site
NS
ns1.nazwa.plns2.nazwa.plns3.nazwa.pl
nazwa.planswers its DNS
MX
notelit.nazwa.pl
nazwa.plreceives its email
TLS
rfbenchmark.pl
Let's Encryptissued its certificate
DNS Records
A 1
51.75.52.113
MX 1
10notelit.nazwa.pl
TXT 1
v=spf1 a mx -all
NS 3
ns1.nazwa.plns2.nazwa.plns3.nazwa.pl
SOA 1
ns1.nazwa.pl biuro.nazwa.pl
CAA 4
issue "certum.pl"issue "letsencrypt.org"issuewild "certum.pl"issuewild "letsencrypt.org"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rfbenchmark.pl |
C=US, O=Let's Encrypt, CN=YR2 | Mon, 21 Sep 2026 16:24:48 +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_cd4d2236e85056f2- Output Hash
fcd346d9fd444b867c2f44af75f0a522196601b8c631674fea88b83c933342e6- Signature
ed25519:338b6003852cac2c8aab57ef7ebe8dbce881bae1c64be6f743931f354a4a913171e09fffc62521eb64ecfa583f50705021b4793641b7708acb2ecea0c819500a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast