marchex.com
Observed Aug 16, 2026, 13:53 UTC (10h 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
Microsoft 365Secured byLet's Encrypt
Let's EncryptRegistered toMarchex
Registered withMarkMonitor, Inc.
Also usesAppleAtlassianAuth0Google Search ConsoleMiroSolarWinds Service Desk
Apple
Atlassian
Google Search Console
Miro
SolarWinds Service Desk1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat marchex.com actually stands on - every host below is a signed observation
marchex.com
A / AAAA
192.0.66.145
unattributedserves the site
NS
ns-1240.awsdns-27.orgns-1931.awsdns-49.co.ukns-457.awsdns-57.comns-819.awsdns-38.net
awsdns-27.org + awsdns-49.co.uk + moreanswers its DNS
MX
marchex-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
marchex.com
Let's Encryptissued its certificate
DNS Records
A 1
192.0.66.145
MX 1
0marchex-com.mail.protection.outlook.com
TXT 18
3byg4b5q3kdsdy69yq44xp65gf9vrw6k52mxpbp9sq5v4ympfm449xmyztf22k3c77wmj1wk43b458y67d8sx9kccw4wpycz7w7tq4zf710ntzy7kmky3st45yy57lpsMS=ms75530323_bx3yibduo8w2ye7j1sq428ensth55n6_p17nlxxnm4ro7ml5s3w0gdbvhd0ts0b_x9optp8cwupcihsg4d95wqtqqocgfad_yawj2x9rbjvj81i0ccz380ki5b0elkjapple-domain-verification=AvvOAFC7Uxj6enNG
NS 4
ns-1240.awsdns-27.orgns-1931.awsdns-49.co.ukns-457.awsdns-57.comns-819.awsdns-38.net
SOA 1
ns-1240.awsdns-27.org awsdns-hostmaster.amazon.com
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:dmarc@marchex.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
marchex.com |
C=US, O=Let's Encrypt, CN=YE1 | Mon, 02 Nov 2026 14:53:09 +0000 |
YE1 |
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 (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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_e53f3c4ae3cd4e92- Output Hash
cd72aa09ec1166980c5d5c17473384662223181bb8507244a6a0adbab376bfa7- Signature
ed25519:8e71d9711da03c43fd5d10ec12b0b7496e0dd1f53befd283a548c263e3026d76070b1987c226febdffcb27812a2719027b39d891d1c5313a9e46c9c1e233b509- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast