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quad9.net

DNS Records

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Hosting & Network

quad9.net runs on AS559, with email configured.

Hosting network
AS559AS559
Managed DNS
Self-hosted / other
Email
Configured
IPv6 (AAAA)
Enabled
CAA pinning
None

Sits alongside 1,324 other sites on AS559. Stable here since we started watching (Oct 9, 2026).

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

DNS Records for quad9.net

HostnameTypeTTLPriorityContent
quad9.netA0195.176.255.138
quad9.netNS0secondary1.xsjc2.infra.6panb.ch
quad9.netNS0secondary1.xzrh1.infra.6panb.ch
quad9.netNS0secondary1.xsjc2.rrdns.pch.net
quad9.netNS0secondary1.xzrh1.rrdns.pch.net
quad9.netSOA600secondary1.xzrh1.infra.6panb.ch hostmaster.quad9.net 2026103100 10800 3600 172800 600
quad9.netTXT0slack-domain-verification=EhulLkEHEcEGaLail027zEvZEfO54vuTRtNOKfY9
quad9.netTXT0v=spf1 a mx include:_spf.quad9.net include:mail.zendesk.com include:servers.mcsv.net ~all
quad9.netTXT0google-site-verification=pubFqUAodApNRC6sXcA_NNli9mak_IIlLSu6SWjyvPg
quad9.netAAAA02001:620:2020:5:9::138
quad9.netMX010mx4.quad9.net
www.quad9.netA0195.176.255.138
www.quad9.netAAAA02001:620:2020:5:9::138

Get alerted the moment quad9.net's DNS changes

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DNS monitor showing the hosting provider, current A, MX, NS, and TXT records, and a history of MX and TXT changes

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, CNAME, TXT 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.

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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