zlib.org
Observed Jul 26, 2026, 10:04 UTC (8d 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.
Not responding
Signed observation on record.
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zlib.org actually stands on - every host below is a signed observation
zlib.org
A / AAAA
144.76.159.215
unattributedserves the site
NS
ns-116-c.gandi.netns-252-a.gandi.netns-68-b.gandi.net
gandi.netanswers its DNS
MX
spool.mail.gandi.netfb.mail.gandi.net
gandi.netreceives its email
DNS Records
A 1
144.76.159.215
MX 2
10spool.mail.gandi.net50fb.mail.gandi.net
TXT 1
v=spf1 include:_mailcust.gandi.net ?all
NS 3
ns-116-c.gandi.netns-252-a.gandi.netns-68-b.gandi.net
SOA 1
ns1.gandi.net hostmaster.gandi.net
TLS Certificates (0)
None.
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_16b8a54c5e8bffb9- Output Hash
c95f50d9c257d7ef61ed58f9a530bd90206ab6a66a8d7837ce0615bc4a682a9d- Signature
ed25519:1c2da8803c252d8c08ede25e027512f77afaef6ffd23cb3d6396c0e490240b47bb326673f32cdb65aad03abfadc6d0ce2d8482363f8b50fbc9ce084a93380109- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast