calpine.com
Observed 2026-07-18T12:13:50.513915537+00:00 (6h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onFastly
Email byMicrosoft 365
Secured byLet's Encrypt
Registered withNetwork Solutions, LLC
Also usesDocuSignAtlassianZoom
IPv6 · 1 subdomain · energy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat calpine.com actually stands on - every host below is a signed observation
calpine.com
A / AAAA
23.185.0.12620:12a:8000::1
Fastlyserves the site
NS
ns1-07.azure-dns.comns2-07.azure-dns.netns3-07.azure-dns.orgns4-07.azure-dns.info
azure-dns.com + azure-dns.net + moreanswers its DNS
MX
calpine-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
calpine.com
Let's Encryptissued its certificate
DNS Records
A 1
23.185.0.1
AAAA 1
2620:12a:8000::1
MX 1
10calpine-com.mail.protection.outlook.com
TXT 16
MS=ms61319655kwjvPJeLbnLemDuCZROsDYxhuFHIEvsXAOrGaxu/eHxAkSR5eughwo2pMHZwPKgDCNaWFc1evP2H55CA3c+0cA==All inquiries should be directed to DNSRequest@calpine.comv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~allciscocidomainverification=4169efb974ffedcb30c4042367e58fa5255c9438e8eff30e6a240ba16c3af629eirjai8jb0ln04eprb74qfslvdocusign=4c9148c3-0cea-4c68-84cf-683cd68e730fatlassian-domain-verification=JYl84X964STtLQTqvI9hDdhF3gPuJfa+fN1JwV/a6YG0giyU7aGVcyVv/ZiJzCkwapple-domain-verification=2C9Ws3qvLBtHgUkzi5dr6o5fj0u8vv01ns6oouee7q
NS 4
ns1-07.azure-dns.comns2-07.azure-dns.netns3-07.azure-dns.orgns4-07.azure-dns.info
SOA 1
ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
calpine.com |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 05 Sep 2026 15:02:13 +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 (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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
52e1cb6a-49a0-451e-9864-251046051d73- Output Hash
2d7c8c0d50bc5e28fa53263e761cec39992ba297d00ceed86b9a24e2ac51765b- Signature
ed25519:cee6c02ec2353ecc4c58e7590e84eea19b46324ec6783b5e73b21e9ad68807120e79cd60794a2a2331c8d069d658fa0a0ce14bbe29d749c2545b19822acc2309- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast