usr.sk
Observed Aug 2, 2026, 09:53 UTC (13h 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 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usr.sk actually stands on - every host below is a signed observation
usr.sk
A / AAAA
86.110.247.133
unattributedserves the site
NS
ns.usr.skns2.usr.sk
usr.skanswers its DNS
MX
mail.usr.sketrn.usr.sk
usr.skreceives its email
TLS
usr.sk
Let's Encryptissued its certificate
DNS Records
A 1
86.110.247.133
MX 2
10mail.usr.sk100etrn.usr.sk
TXT 2
v=spf1 a mx include:spf1.usr.sk ~allMS=7B3B19EFBEE660880A3F5C4D928B71E338AB15D5
NS 2
ns.usr.skns2.usr.sk
SOA 1
ns.usr.sk parth.wtf.sk
DMARC_RECORDS 1
v=DMARC1; p=none; rua=mailto:dmarc@usr.sk; ruf=mailto:dmarc@usr.sk; fo=1;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
usr.sk |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 11 Oct 2026 00:47:51 +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 (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_309e466066b3d8b8- Output Hash
eb9fb9a9ef2405daaecdffaa71642b91120cfe2720f98692170262f7b818fea6- Signature
ed25519:43a19f0658394e82ee21abdb206c44e10596bd02922522bcfbad7a2a13e9ba03dbb77c7bd5476634107f95aa2959935a9a319ec38165af77f4ad13f7e4484b05- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast