DNS Record Lookup

Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain

Hosting & Network

h2o.codes runs on Amazon AWS (multi-homed across 2 networks).

Hosting network
Amazon AWSmulti-homedAS16509Amazon AWSAS213230
Managed DNS
Self-hosted / other
Email
None
IPv6 (AAAA)
Enabled
CAA pinning
Set

Sits alongside 4,433,352 other sites on Amazon AWS. Stable here since we started watching (Sep 28, 2026).

The apex and www are the same hosting — the apex via A records.

DNS Records for h2o.codes

HostnameTypeTTLPriorityContent
h2o.codesSOA3600ns1.dns-redirect.com admin.dns.com 2024072901 3600 1800 1209600 3600
h2o.codesNS0ns1.dns-redirect.com
h2o.codesNS0ns2.dns-redirect.com
h2o.codesA05.161.230.87
h2o.codesA076.223.91.20
h2o.codesCAA00 issue sectigo.com
h2o.codesCAA00 issue letsencrypt.org
h2o.codesAAAA02600:1f1c:6db:8800:cbd9:f4fc:af1e:11de
h2o.codesAAAA02a05:d014:179b:c400:2fc6:8141:276a:b7e9
h2o.codesAAAA02406:da1e:214:c900:bfc3:c412:3cd:b2f9
h2o.codesAAAA02a01:4ff:f0:a884::1
h2o.codesAAAA02a05:d018:1d22:800:42dd:9209:b4b9:d76b
h2o.codesAAAA02600:9000:a612:55d9:1b82:e963:5969:d2c7
h2o.codesAAAA02600:1f18:6a07:601:6471:b5e4:ef15:3b72
h2o.codesTXT0abuse-report=mailto:abuse@redirhub.com
h2o.codesTXT095b3a950-315c-45b8-937a-b865ebeb043a
h2o.codesTXT0afternic-verification-aGHTsEA2nLa7KRqzmJySAx
www.h2o.codesAAAA02600:1f1c:6db:8800:cbd9:f4fc:af1e:11de
www.h2o.codesAAAA02a05:d018:1d22:800:42dd:9209:b4b9:d76b
www.h2o.codesAAAA02406:da1e:214:c900:bfc3:c412:3cd:b2f9
www.h2o.codesAAAA02600:1f18:6a07:601:6471:b5e4:ef15:3b72
www.h2o.codesAAAA02a05:d014:179b:c400:2fc6:8141:276a:b7e9
www.h2o.codesAAAA02600:9000:a612:55d9:1b82:e963:5969:d2c7
www.h2o.codesAAAA02a01:4ff:f0:a884::1
www.h2o.codesNS0ns2.dns-redirect.com
www.h2o.codesNS0ns1.dns-redirect.com
www.h2o.codesA05.161.230.87
www.h2o.codesA076.223.91.20
www.h2o.codesCAA00 issue letsencrypt.org
www.h2o.codesCAA00 issue sectigo.com
www.h2o.codesSOA3600ns1.dns-redirect.com admin.dns.com 2024072901 3600 1800 1209600 3600
www.h2o.codesTXT0afternic-verification-aGHTsEA2nLa7KRqzmJySAx
www.h2o.codesTXT0abuse-report=mailto:abuse@redirhub.com
www.h2o.codesTXT095b3a950-315c-45b8-937a-b865ebeb043a

Get alerted the moment h2o.codes's DNS changes

This page is today's snapshot. Turn on monitoring and we'll watch h2o.codes continuously, notifying you the moment anything moves across all three signals:

Uptime

We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.

DNS changes

We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.

TLS certificate

We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.

Monitor DNS free

Free for your first domain: uptime, DNS, and certificate together. No credit card.

What's up with DNS →

Our daily roundup of the most interesting DNS changes across the web — hosting and CDN migrations, network moves, and security-config shifts.

Ask about h2o.codes

Beta

Answers use the live DNS records shown on this page. AI-generated — double-check anything important.

About DNS Records

DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:

  • SOA (Start of Authority) - Contains administrative information about the zone
  • NS (Nameserver) - Specifies authoritative nameservers for the domain
  • A (Address) - Maps a domain to an IPv4 address
  • AAAA - Maps a domain to an IPv6 address
  • CNAME (Canonical Name) - Creates an alias pointing to another domain
  • MX (Mail Exchange) - Specifies mail servers for the domain