DNS Record Lookup
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Hosting & Network
ctha.com runs on AS42010, with email via Microsoft 365.
- Hosting network
- AS42010AS42010
- Managed DNS
- Self-hosted / other
- Microsoft 365
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 113 other sites on AS42010. Stable here since we started watching (Jul 15, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for ctha.com
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| ctha.com | A | 0 | 91.103.191.152 | |
| ctha.com | MX | 0 | ctha-com.mail.protection.outlook.com | |
| ctha.com | SOA | 3600 | ns.mainnameserver.com hostmaster.mainnameserver.com 2026062352 10800 600 2419200 3600 | |
| ctha.com | NS | 0 | ns.mainnameserver.com | |
| ctha.com | NS | 0 | ns2.mainnameserver.com | |
| ctha.com | TXT | 0 | 201807091357040dm2tu0sddmdcuvrofb77m1vra9ugxtc78gn3iahd837isu7jt | |
| ctha.com | TXT | 0 | g00sjt01aoqq74v4pe55163eb | |
| ctha.com | TXT | 0 | MS=ms69042592 | |
| ctha.com | TXT | 0 | v=spf1 include:spf.ina4.com include:spf.protection.outlook.com -all | |
| www.ctha.com | A | 0 | 91.103.191.152 |
Get alerted the moment ctha.com's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch ctha.com 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.
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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