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crtousa.com

DNS Records

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Hosting & Network

crtousa.com runs on Vultr, with email via Microsoft 365.

Hosting network
VultrAS20473Vultr
Managed DNS
Self-hosted / other
Email
Microsoft 365
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 4,999+ other sites on Vultr. Stable here since we started watching (Aug 22, 2026).

The apex and www are the same hosting — the apex via A records, www via a CNAME to crtousa.com.

DNS Records for crtousa.com

HostnameTypeTTLPriorityContent
crtousa.comTXT0v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com -all
crtousa.comTXT0MS=ms15093446
crtousa.comA0207.148.8.194
crtousa.comMX0crtousa-com.mail.protection.outlook.com
crtousa.comSOA300ns1.dns53.host support.getcybersolutions.com 2025092902 1200 600 1209600 300
crtousa.comNS0ns2.dns53.systems
crtousa.comNS0ns1.dns53.host
www.crtousa.comSOA300ns1.dns53.host support.getcybersolutions.com 2025092902 1200 600 1209600 300
www.crtousa.comNS0ns2.dns53.systems
www.crtousa.comNS0ns1.dns53.host
www.crtousa.comCNAME0crtousa.com
www.crtousa.comMX0crtousa-com.mail.protection.outlook.com
www.crtousa.comTXT0v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com -all
www.crtousa.comTXT0MS=ms15093446
www.crtousa.comA0207.148.8.194

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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.

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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