nctc.com
Observed Jul 21, 2026, 19:28 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
Runs onCloudflare
Email byGoogle (SPF sender)
Secured byLet's Encrypt
telecom
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nctc.com actually stands on - every host below is a signed observation
nctc.com
A / AAAA
162.159.135.42
Cloudflareserves the site
NS
ns1.blue.netns2.blue.netns1.nctc.com
blue.net + nctc.comanswers its DNS
MX
mx2.nctc.commx1.nctc.com
Google (SPF sender)receives its email
TLS
nctc.com
Let's Encryptissued its certificate
DNS Records
A 1
162.159.135.42
MX 2
10mx2.nctc.com10mx1.nctc.com
TXT 7
MS=ms44740517ZA=032mjPRyrUehtfX+svbVSA==MS=EC6AECF42E291D7375F3B0C9F48D0F47E0FD6DEDv=spf1 ip4:66.38.0.205 ip4:66.38.0.170 ip4:66.38.2.104 ip4:66.38.0.168 ip4:66.38.0.178 ip4:66.38.0.97 ip4:173.240.143.195 a:mail.nctc.com a:smtp.nctc.com a:mail.ncentral.net a:email.nctc.com a:backend.nctc.com a:gpp.nctc.com include:_spf.google.com ~allupdhbtoj58v8ud35dl68g24sncbrevo-code:fa742f32dca36b47699eb8a9f63c43f9"v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com"
NS 3
ns1.blue.netns2.blue.netns1.nctc.com
SOA 1
ns1.blue.net adminblue.blue.net
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
nctc.com |
C=US, O=Let's Encrypt, CN=YE2 | Sun, 13 Sep 2026 21:11:15 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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_b485d33df6b7f7cb- Output Hash
d9eeae848f6d0860f0364bba3189fe09172b764d6410a8e78bf4067befc8a1af- Signature
ed25519:0df7f6c19f4fa76fb48a19b126757f09dab6429a1fd42c125d46f23fdc8fb03d0729d8d94987322cff6d3b95b195459109a76ce83abddc7d5dd87d2efdc78d05- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast