ch.ch
Observed Jul 21, 2026, 17:16 UTC (2d 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
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ch.ch actually stands on - every host below is a signed observation
ch.ch
A / AAAA
217.26.50.228
unattributedserves the site
NS
ns3.hostpoint.chns.hostpoint.chns2.hostpoint.ch
hostpoint.chanswers its DNS
MX
mx04.mail.admin.chmx02.mail.admin.chmx01.mail.admin.chmx03.mail.admin.ch
admin.chreceives its email
TLS
ch.ch
Let's Encryptissued its certificate
DNS Records
A 1
217.26.50.228
MX 4
10mx04.mail.admin.ch10mx02.mail.admin.ch10mx01.mail.admin.ch10mx03.mail.admin.ch
TXT 8
swisssign-check=Oz4AIjHg4SvYk9mfdnp6wxU3mtos5twt56nvy9rvp12fzs79031mqkvdq6sv=spf1 redirect=_spfgroupb.admin.chgoogle-site-verification=bP4OdodejAFaFMc16s61iekRqZgt-ZNBrJ99CPNMZcg_abxtuuxm3eba8rbt6uk5exn9c9kbynnMS=ms51176260swisssign-check=PSFLrDr6phM4VSqYbl4rhn05eacv=DMARC1; p=reject; rua=mailto:marc.rua@admin.ch
NS 3
ns3.hostpoint.chns.hostpoint.chns2.hostpoint.ch
SOA 1
ns.hostpoint.ch hostmaster.hostpoint.ch
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
ch.ch |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 06 Sep 2026 03:44:22 +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_e64769136d4281bb- Output Hash
d471572781f63b64967aaaba333c02c553c1b3ac9990e4d0769397973bb90760- Signature
ed25519:58ecf373858cf359a1e15eeae479cbf0ff263ce9442fa8ff30c798324bfe1c53cfa201c4c2d9e32ed9aac897b75bf9163d8fee0c3cfa466e20a2cde4abbae401- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast