zuckerman.com
Observed Aug 2, 2026, 22:07 UTC (6h 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 byProofpoint
Secured byLet's Encrypt
Also usesZoomDocuSignGoogle Search Console
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zuckerman.com actually stands on - every host below is a signed observation
zuckerman.com
A / AAAA
157.230.5.82
unattributedserves the site
NS
pdns99.ultradns.bizpdns99.ultradns.compdns99.ultradns.netpdns99.ultradns.org
ultradns.biz + ultradns.com + moreanswers its DNS
MX
mxa-00164f01.gslb.pphosted.commxb-00164f01.gslb.pphosted.com
Proofpointreceives its email
TLS
www.zuckerman.com
Let's Encryptissued its certificate
DNS Records
A 1
157.230.5.82
MX 2
10mxa-00164f01.gslb.pphosted.com10mxb-00164f01.gslb.pphosted.com
TXT 8
ZOOM_verify_QS0H-zaWS3Kb1jWc9VGPFQapple-domain-verification=lGSUAniSCYXoHuCMMS=B0437C4B85E8A2280E33EBA81C4F93F45C205E98docusign=63f8a1fc-a5c8-490c-b682-436c06a4979fanthropic-domain-verification-368pyz=JgKVTrY7lajyR1F1zBnn9hkXkgoogle-site-verification=T8DK__0xcoabMUXNUB2pGMv57Me9hYtwuq7BvA-KoNwJ4jzKPL+yO0umz3k+2QDKXbTDBtnyUUunBt9esQTLOcRsXXNYhy4RfqKP6L0K/61r0AHaTTD55Be1lfc2gJZZQ==v=spf1 a:zuckerman.com include:spf.protection.outlook.com include:spf-00164f01.pphosted.com include:spf.vx-email.com -all
NS 4
pdns99.ultradns.bizpdns99.ultradns.compdns99.ultradns.netpdns99.ultradns.org
SOA 1
pdns99.ultradns.com networksolutions.zuckerman.com
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:c83beaec@mxtoolbox.dmarc-report.com,mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:c83beaec@forensics.dmarc-report.com,mailto:dmarc_ruf@emaildefense.proofpoint.com; fo=0; pct=100
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.zuckerman.com |
C=US, O=Let's Encrypt, CN=YR1 | Tue, 29 Sep 2026 16:57:45 +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_cb2e9c5968f0cdab- Output Hash
27ee604f66e770c44ecb3dfe654a191f30b6e2c449c1ee1929252c1ecbc731ff- Signature
ed25519:558151fe482faa42e030cd42255ad8eb474471b1fec172bbece8c96cacc520a446b2395065b307dc38369aff298966da384450a3558b705e85f32cd314052e03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast