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ringzer0ctf.com

DNS Records

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Hosting & Network

ringzer0ctf.com runs on AS399760, with email via Google Workspace.

Hosting network
AS399760AS399760
Managed DNS
Self-hosted / other
Email
Google Workspace
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 9 other sites on AS399760. Stable here since we started watching (Jul 24, 2026).

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

DNS Records for ringzer0ctf.com

HostnameTypeTTLPriorityContent
ringzer0ctf.comMX010alt4.aspmx.l.google.com
ringzer0ctf.comMX05alt1.aspmx.l.google.com
ringzer0ctf.comMX05alt2.aspmx.l.google.com
ringzer0ctf.comMX01aspmx.l.google.com
ringzer0ctf.comMX010alt3.aspmx.l.google.com
ringzer0ctf.comTXT0v=spf1 include:_spf.google.com ~all
ringzer0ctf.comTXT0google-site-verification=2VqXKiBrx_DOcV-E-4RgHYtCiCVGgZM42FKl_DlJqHk
ringzer0ctf.comTXT01VR0DekIWV_hxeVmj3RDZMmg2TRnDin5ltO9AJM_u1s
ringzer0ctf.comTXT0FLAG-305l9RR202HG695t6Y8ZU77xyq
ringzer0ctf.comNS0ns2.zabbly.com
ringzer0ctf.comNS0ns1.zabbly.com
ringzer0ctf.comSOA3600samba03.stgraber.net hostmaster.stgraber.net 1785075851 900 600 86400 3600
ringzer0ctf.comA045.45.148.200
www.ringzer0ctf.comA045.45.148.200

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Uptime

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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

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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