z100.com
Observed Jul 26, 2026, 09:56 UTC (7d 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
Email byMicrosoft 365
Secured byLet's Encrypt
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat z100.com actually stands on - every host below is a signed observation
z100.com
A / AAAA
98.95.57.2343.208.144.1033.232.234.78
unattributedserves the site
NS
pdns196.ultradns.co.ukpdns196.ultradns.bizpdns196.ultradns.compdns196.ultradns.net+2 more
ultradns.co.uk + ultradns.biz + moreanswers its DNS
MX
iheartmedia-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
z100.com
Let's Encryptissued its certificate
DNS Records
A 3
98.95.57.2343.208.144.1033.232.234.78
MX 1
0iheartmedia-com.mail.protection.outlook.com
TXT 3
v=spf1 include:spf.iheartmedia.com -allxW/reXKVQkXldJh83rI/CyJOei5+cvB32751dR85BXXZW6Z1esGbATpZQfPJdQ4WyrFXGfLdTn9U0EN17wXWKw==v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email
NS 6
pdns196.ultradns.co.ukpdns196.ultradns.bizpdns196.ultradns.compdns196.ultradns.netpdns196.ultradns.orgpdns196.ultradns.info
SOA 1
pdns196.ultradns.org sre.iheartmedia.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
z100.com |
C=US, O=Let's Encrypt, CN=YR2 | Wed, 07 Oct 2026 00:38:41 +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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_46eed39662f2a6db- Output Hash
8a0159f63f4f41c6810aae449d0d21f785f99e40258fffffa442f407a74a6565- Signature
ed25519:18d81f79f0205caf23ef12a8ac87afb906b0ca3a4de816b0eed6003f2f5e4214420861b2c16479859e32047d25617ce0250edae4c8481719641c6bc7986e9d00- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast