archeo.edu.pl
Observed Aug 9, 2026, 21:14 UTC (17h 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
Runs onNODEA SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA
Secured byLet's Encrypt
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat archeo.edu.pl actually stands on - every host below is a signed observation
archeo.edu.pl
A / AAAA
83.168.99.220
NODEA SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIAserves the site
NS
ns2.vh.plns1.vh.pl
vh.planswers its DNS
MX
mail.archeo.edu.pl
edu.plreceives its email
TLS
archeo.edu.pl
Let's Encryptissued its certificate
DNS Records
A 1
83.168.99.220
MX 1
0mail.archeo.edu.pl
TXT 1
v=spf1 include:spf.vh.net.pl -all
NS 2
ns2.vh.plns1.vh.pl
SOA 1
ns1.vh.pl admin.vh.pl
SRV 1
cpanelemaildiscovery.cpanel.net:443 p0
DMARC_RECORDS 1
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:dmarc@archeo.edu.pl;ruf=mailto:dmarc@archeo.edu.pl
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
archeo.edu.pl |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 11 Oct 2026 22:31:02 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_f6b629a1eac9ff74- Output Hash
c261258e851c02da728b7a0ded2e0cf4073f90ef391fbf5e211436dda539e044- Signature
ed25519:4a8d9791dd0f17e58a2f3872f0f4e0eefcc9464bc74eb190c3cff084ee10008dd4dc1be74ea4654ae6f438c886da62577a5a786c254dbc71de5fd784324c6301- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast