DNS Record Lookup

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

notabene.courses

DNS Records

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Hosting & Network

notabene.courses runs on AS203087, with email via Google Workspace.

Hosting network
AS203087AS203087
Managed DNS
Self-hosted / other
Email
Google Workspace
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 322 other sites on AS203087. Stable here since we started watching (Jul 16, 2026).

DNS Records for notabene.courses

HostnameTypeTTLPriorityContent
notabene.coursesNS0ns1.notabene.courses
notabene.coursesNS0ns2.notabene.courses
notabene.coursesSOA0ns1.notabene.courses admin.notabene.courses 2026081704 10800 3600 604800 0
notabene.coursesMX010SMTP.GOOGLE.COM
notabene.coursesTXT0yandex-verification: 62901469514d6828
notabene.coursesTXT0v=spf1 ip4:65.108.14.119 a mx ~all
notabene.coursesTXT0google-site-verification=MrBaJevQO70zC9_SkLEc-VmYyTSrlegzgxiCUtMIt9M
notabene.coursesTXT0facebook-domain-verification=4xo2hdxjhamcsqy5dewi13fo26d262
notabene.coursesTXT0google-site-verification=n3D0-Px3Vp7Rh-w36AeusfqjQxywStu9VE2AoEdnSzA
notabene.coursesA0109.248.170.91
www.notabene.coursesA065.108.14.97

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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.

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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