blue.ch
Observed Aug 16, 2026, 13:05 UTC (11h 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 onSwisscom (Schweiz)
Secured bySwissSign AG
Also usesSwissSignMindmanagerOneTrustJamfGoogle Search ConsoleMicrosoft 365Facebook/MetaMiro
SwissSign
OneTrust
Jamf
Google Search Console
Microsoft 365
Facebook/Meta
Miro1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for blue.ch in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat blue.ch actually stands on - every host below is a signed observation
blue.ch
A / AAAA
138.190.84.94
Swisscom (Schweiz)serves the site
NS
dns2.swisscom.comdns3.swisscom.comdns1.swisscom.com
swisscom.comanswers its DNS
MX
mail10.swisscom.commail.swisscom.commail20.swisscom.com
swisscom.comreceives its email
TLS
blue.ch
SwissSign AGissued its certificate
DNS Records
A 1
138.190.84.94
MX 3
20mail10.swisscom.com10mail.swisscom.com20mail20.swisscom.com
TXT 12
swisssign-check=hnZ1sR1wTUXIpX1uq5pP5K9mGPImindmanager-verification=30ec1ae05d7d5ea89d62efa3d0dfad114853edadbdc46102f438bde80e6b8016onetrust-domain-verification=196a72ac0b51497fbdf688d96ac3c7f5v=spf1 ip4:5.148.171.172 ip4:5.148.171.177 ip4:5.148.180.102 ip4:13.111.103.57 ip4:149.72.129.28 ip4:149.72.181.196 ip4:195.176.132.54 ip4:217.150.241.52 ip4:217.150.241.55 ip4:217.150.241.56 include:_spf.pluspol-networks.de include:_spf.online.superoffice.com include:spf.appmail.swisscom.com include:spf.smtp2go.com include:spf.swisscom.com include:_spf.callexpert.ch -allswisssign-check=SPhlAryvGVV217PTDFcbqlCCcnkjamf-site-verification=fXNOPhfM3lCRyZc1bdTHJAgoogle-site-verification=4FowzSxEQwNfsuoShpOQOzNyDH7OhjKgWuSPqA-yPnUMS=ms66304029facebook-domain-verification=pa9syugysmkv5gonchmodpt073j0p5miro-verification=5209d46a6a61b079ea076df05fc46e6386d28892
NS 3
dns2.swisscom.comdns3.swisscom.comdns1.swisscom.com
SOA 1
dns3.swisscom.com admin\.dns.swisscom.com
DMARC_RECORDS 1
v=DMARC1; p=none; pct=100; rua=mailto:reports-rua@swisscom.com; ruf=mailto:reports-ruf@swisscom.com;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
blue.ch |
C=CH, O=SwissSign AG, CN=SwissSign RSA TLS OV ICA 2022 - 1 | Wed, 16 Dec 2026 12:31:33 +0000 |
SwissSign RSA TLS OV ICA 2022 - 1 |
C=CH, O=SwissSign AG, CN=SwissSign RSA TLS Root CA 2022 - 1 | Sun, 29 Jun 2036 09:34:30 +0000 |
SwissSign RSA TLS Root CA 2022 - 1 |
C=CH, O=SwissSign AG, CN=SwissSign Gold CA - G2 | Mon, 22 Sep 2036 11:27:11 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_bbb0e10632aa1318- Output Hash
3d0197e4d75ff302a12dbee6900b7eba77123c1bcb46ea73e6398bf561f788bc- Signature
ed25519:0acade350c2775b26a7165bbe1f50d55871c67486dd62e3b17535e784535202fd59679915cfefb18dd649f6dfac51431565465b100557acd3e8636de617cbd06- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast