zackschwartz.com
Observed Jul 26, 2026, 22:26 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
Runs onCloudflare
Secured byGoogle Trust Services
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zackschwartz.com actually stands on - every host below is a signed observation
zackschwartz.com
A / AAAA
104.21.86.226172.67.137.1072606:4700:3033::ac43:896b2606:4700:3030::6815:56e2
Cloudflareserves the site
NS
erin.ns.cloudflare.commax.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
zackschwartz.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.86.226172.67.137.107
AAAA 2
2606:4700:3033::ac43:896b2606:4700:3030::6815:56e2
NS 2
erin.ns.cloudflare.commax.ns.cloudflare.com
SOA 1
erin.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zackschwartz.com |
C=US, O=Google Trust Services, CN=WE1 | Thu, 10 Sep 2026 14:02:50 +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_cc43c7d8761e5a2d- Output Hash
261db450cda05d6bdc92751ca9b8eaa3be6b38ef7032186720444b73d2892b52- Signature
ed25519:8935317549f56f36761175381fe311eaa65f007ac3c9e658396b96933f9f874e7e80c5d73825a12905ea4cf06280aedd44bfb061da5ebd9364e3759cd3c28f02- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast