downtowndc.org
Observed Jul 28, 2026, 10:34 UTC (1d 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
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat downtowndc.org actually stands on - every host below is a signed observation
downtowndc.org
A / AAAA
23.185.0.2
unattributedserves the site
NS
ns42.worldnic.comns41.worldnic.com
worldnic.comanswers its DNS
MX
downtowndc-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
downtowndc.org
Let's Encryptissued its certificate
DNS Records
A 1
23.185.0.2
MX 1
0downtowndc-org.mail.protection.outlook.com
TXT 6
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:servers.mcsv.net include:zohomail.com -allgoogle-site-verification=o8Vl5lT9Jos7L-u_bRYKmOFwdeUZZVEk82MC36obpj8google-site-verification=2lHeRN7MRb3eaTPFe2pFKmOUKalFtY1Q_5VWNzLWfhEasv=1939a1dd1cf696e590c3dc12e8bd041eapple-domain-verification=WQqFxIykb4x0mcnOv=DMARC1; p=none; pct=100; rua=mailto:re+odz7ppda0yc@dmarc.postmarkapp.com; sp=none; aspf=r;
NS 2
ns42.worldnic.comns41.worldnic.com
SOA 1
NS41.WORLDNIC.COM namehost.WORLDNIC.COM
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
downtowndc.org |
C=US, O=Let's Encrypt, CN=YR1 | Tue, 29 Sep 2026 10:23:19 +0000 |
YR1 |
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
rcpt_96f3567394b2d417- Output Hash
de53133b19976ebcc65d8ffc4ea65436656c18f6c6c7203b3b36b1126b56b43c- Signature
ed25519:f5d4d65d03c1bebe568e286070f895345f08aacf2e7fde637bad099c4a57581bf2d3ffc2766396107bce741e505fd3e7e255509ba25ce2a80726cfd23a0abf09- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast