arst.ch
Observed Aug 9, 2026, 21:21 UTC (5h 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 arst.ch actually stands on - every host below is a signed observation
arst.ch
A / AAAA
104.21.36.133172.67.194.1112606:4700:3030::ac43:c26f2606:4700:3036::6815:2485
Cloudflareserves the site
NS
carter.ns.cloudflare.comlaura.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
arst.ch
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.36.133172.67.194.111
AAAA 2
2606:4700:3030::ac43:c26f2606:4700:3036::6815:2485
NS 2
carter.ns.cloudflare.comlaura.ns.cloudflare.com
SOA 1
carter.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
arst.ch |
C=US, O=Google Trust Services, CN=WE1 | Sat, 12 Sep 2026 10:41:43 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_06cf94bc551aebcd- Output Hash
120f8193d792822223099a450f649efcb44f95002f253714aa17054c23664e8c- Signature
ed25519:fb5a43d71b0656ebf9cd2bc092ea9f942a1ef60a2612abeed8d6c4b543146b8b6722528525d1579522725911e4d3dda10667adfc11257db2945a10012c50ca09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast