zhangcatherine.com
Observed Aug 2, 2026, 11:59 UTC (18h 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 onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zhangcatherine.com actually stands on - every host below is a signed observation
zhangcatherine.com
A / AAAA
104.18.4.29104.18.5.292606:4700::6812:41d2606:4700::6812:51d
Cloudflareserves the site
NS
drew.ns.cloudflare.comimani.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
zhangcatherine.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.18.4.29104.18.5.29
AAAA 2
2606:4700::6812:41d2606:4700::6812:51d
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 3
ca3-954b4d2869ee4e5b980d2a5cc8ec8850google-site-verification=TpKK-9P3M7gMJ2OAvUrNHw-S009xtthnGyLtvylMaUYv=spf1 a mx include:websitewelcome.com ~all
NS 2
drew.ns.cloudflare.comimani.ns.cloudflare.com
SOA 1
drew.ns.cloudflare.com dns.cloudflare.com
SRV 1
cpanelemaildiscovery.cpanel.net:443 p0
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zhangcatherine.com |
C=US, O=Google Trust Services, CN=WE1 | Mon, 19 Oct 2026 16:59:36 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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_438b65459e8c2059- Output Hash
7a47b8e654e68cc1275b2325b26c192e10a4479a84113dc3b82b68e54bff82c7- Signature
ed25519:de57cf1e0422fc05b997a3503315ab63245b52147d72aa1aae73540465836b5e2bf060c791dd9fbfe883593e6c76a4078f7ba1922c1798a0a73255995be2560e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast