opendns.com
Observed Jul 24, 2026, 17:46 UTC (21h 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 onCisco OpenDNS
Email byAmazon SES
Secured byLet's Encrypt
Registered withPDR Ltd. d/b/a PublicDomainRegistry.com
Also usesDocuSignGoogle Search Console
1 subdomain · cybersecurity_expanded
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat opendns.com actually stands on - every host below is a signed observation
opendns.com
A / AAAA
146.112.62.105
Cisco OpenDNSserves the site
NS
auth1.opendns.comauth2.opendns.comauth3.opendns.com
opendns.comanswers its DNS
MX
aer-mx-01.cisco.comalln-mx-01.cisco.comrcdn-mx-01.cisco.com
Amazon SESreceives its email
TLS
www.opendns.com
Let's Encryptissued its certificate
DNS Records
A 1
146.112.62.105
MX 3
30aer-mx-01.cisco.com10alln-mx-01.cisco.com20rcdn-mx-01.cisco.com
TXT 9
8a0qMBOOpB-h4tuZsbRSOi00ZAdocusign=2dcbb085-bb7f-44b2-8cdd-c9a93a8c0514google-site-verification=1uqoSSYwOE4E7Vue1oAcKDmEt6yn5US6vuQ6shGu2dggoogle-site-verification=VXNIemKQVGZ9Q3215ANNzcTDK5ZejVDwd6RQsQ2u1GIidentrust_validate=5sxUJXEBNGIryr9TcBm31oSDJsqEiIkNIodAE18dD/xnidentrust_validate=dkFEA7jD1kBR9Uo9E25VVSRjPfhYSFMdX3sUWoWG28Mvv=spf1 ptr include:_nets.opendns.com include:mail.zendesk.com include:amazonses.com include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com ip4:173.37.147.246 ip4:173.37.147.247 ip4:72.163.7.179 ip4:72.163.7.180 ip4:192.28.150.255 ?all_qhmqsb0grgjeq03vl0tvsnhchg7seufv=DMARC1; p=none; rua=mailto:hostmaster@opendns.com
NS 3
auth1.opendns.comauth2.opendns.comauth3.opendns.com
SOA 1
auth1.opendns.com noc.opendns.com
SRV 2
macmini1.office.opendns.com:5222 p0macmini1.office.opendns.com:5269 p0
CAA 8
issue "amazon.com"issue "amazonaws.com"issue "amazontrust.com"issue "awstrust.com"issue "digicert.com"issue "identrust.com"issue "letsencrypt.org"issue "quovadisglobal.com"
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
www.opendns.com |
C=US, O=Let's Encrypt, CN=R13 | Sat, 03 Oct 2026 22:55:09 +0000 |
R13 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 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_2fe311bc5aeb1fcf- Output Hash
701e5aa3cab93d3c818843c6581cf9b5f05335d949d1258a0fd0d00f4fa5cd7f- Signature
ed25519:886dae0ceadcbbff53ed0feec7e6c7bda6b4d607b1990ff0a08e2b7d393f640e61d32ca5f07db39e2d21f36413e032b4aadf58a2a504179019deef0c1be37800- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast