bip.kalisz.pl
Observed Aug 16, 2026, 17:36 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
Secured byLet's Encrypt
Let's Encryptdomcop
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for bip.kalisz.pl in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat bip.kalisz.pl actually stands on - every host below is a signed observation
bip.kalisz.pl
A / AAAA
89.231.0.242
unattributedserves the site
NS
fns1.42.plfns2.42.pl
42.planswers its DNS
TLS
bip.kalisz.pl
Let's Encryptissued its certificate
DNS Records
A 1
89.231.0.242
TXT 1
v=spf1 mx ip4:89.231.0.242 -all
NS 2
fns1.42.plfns2.42.pl
SOA 1
fns1.42.pl freedns-admin\+184933.42.pl
CAA 2
issue "letsencrypt.org"issue "certum.pl"
DMARC_RECORDS 1
v=DMARC1; p=reject; rua=mailto:mmatecki@um.kalisz.pl,mailto:pwalczak@um.kalisz.pl; ruf=mailto:mmatecki@um.kalisz.pl,mailto:pwalczak@um.kalisz.pl; sp=none; pct=100
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
bip.kalisz.pl |
C=US, O=Let's Encrypt, CN=YE1 | Thu, 05 Nov 2026 09:53:40 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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_13c1e25bc77c9f0e- Output Hash
3fd8f878cc56b0887cdb5f17d986f6e3db50d1ba96393b4b26d158535fd18b40- Signature
ed25519:b1a062d621ac604c08135d2b86244d647a6f4afcdae5b64c4498e9f417e1f874cafa7a089ad1e57c85361c2bdb302dfb8c4aa3ae68c1e235bc3a3f7f1d957103- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast