dtcenter.org

Observed Jul 28, 2026, 12:15 UTC (23h 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · 1 subdomain · domcop

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat dtcenter.org actually stands on - every host below is a signed observation

dtcenter.org

A / AAAA

23.185.0.22620:12a:8001::22620:12a:8000::2

2620serves the site

dnsnx2.nwsc.ucar.edudnsx2.ucar.edudnsx1.ucar.edudnsnx1.nwsc.ucar.edu

ucar.eduanswers its DNS

ASPMX2.GOOGLEMAIL.COMASPMX.L.GOOGLE.COMASPMX3.GOOGLEMAIL.COMALT1.ASPMX.L.GOOGLE.COM+1 more

Google Workspacereceives its email

TLS

dtcenter.org

Let's Encryptissued its certificate

DNS Records

A 1

23.185.0.2

AAAA 2

2620:12a:8001::2
2620:12a:8000::2

MX 5

30ASPMX2.GOOGLEMAIL.COM
10ASPMX.L.GOOGLE.COM
30ASPMX3.GOOGLEMAIL.COM
20ALT1.ASPMX.L.GOOGLE.COM
20ALT2.ASPMX.L.GOOGLE.COM

TXT 3

google-site-verification=2C-Bi_E4EWGNx8Ly5aLFAXp-S1l19sKG3odTN4JbdM8
v=spf1include:_spf.google.cominclude:amazonses.com~all
v=DMARC1;p=none;sp=none;rua=postmaster@ucar.edu,tres@ucar.edu

NS 4

dnsnx2.nwsc.ucar.edu
dnsx2.ucar.edu
dnsx1.ucar.edu
dnsnx1.nwsc.ucar.edu

SOA 1

ml-ddi.ucar.edu postmaster.ucar.edu

TLS Certificates (3)

Common Name	Issuer	Expires
`dtcenter.org`	C=US, O=Let's Encrypt, CN=YR2	Wed, 30 Sep 2026 23:31:22 +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 (1)

www.dtcenter.org

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for dtcenter.org. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/dtcenter.org">
  <img src="https://domaindrift.io/badge/dtcenter.org.svg"
       width="300" height="64" alt="DomainDrift signed observations for dtcenter.org">
</a>

Ed25519 Receipt

Receipt ID: rcpt_c782a0f7819566b1
Output Hash: 378005c76d3869290b736febbcefe1d03ddf6bd29f3de8df477d44ee723a6059
Signature: ed25519:5f4288afbcc40521f3cae45f73dc022bb4209f2cc9c9bc02c23e0c1b858daf000d0f41ac05e81ecac0fa182777c14930ec69b40ebf4c2f3f76b6b2a822c3550e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/dtcenter.org