docbrown.info
Observed Jul 29, 2026, 00:44 UTC (13h 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
Secured byLet's Encrypt
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat docbrown.info actually stands on - every host below is a signed observation
docbrown.info
A / AAAA
185.151.30.209
unattributedserves the site
NS
ns3.stackdns.comns4.stackdns.comns1.stackdns.comns2.stackdns.com
stackdns.comanswers its DNS
MX
mx.stackmail.com
stackmail.comreceives its email
TLS
*.docbrown.info
Let's Encryptissued its certificate
DNS Records
A 1
185.151.30.209
MX 1
10mx.stackmail.com
TXT 2
v=spf1 include:spf.stackmail.com a mx ~allv=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;rf=afrf;ri=86400
NS 4
ns3.stackdns.comns4.stackdns.comns1.stackdns.comns2.stackdns.com
SOA 1
ns1.stackdns.com hostmaster.stackdns.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.docbrown.info |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 10 Oct 2026 12:37:19 +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 (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_7c021ccbee57ad89- Output Hash
9ee16c522d57aed390eed9d0822e2121d3f11b0c2adbf2dc567c560c90b0d281- Signature
ed25519:46478da0db86e96c08547ab8af18f0b372458024c76e38432292abc1c181cfaa5376194e340670310497740e8cb03d06d3720f7871e68018e191f4714073ab0d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast