DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
3cx.org runs on Vultr, with DNS by AWS Route 53 and email configured.
- Hosting network
- VultrAS20473Vultr
- Managed DNS
- AWS Route 53
- Configured
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 4,999+ other sites on Vultr. Stable here since we started watching (Jul 21, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to websrv01.22x2.net.
DNS Records for 3cx.org
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 3cx.org | NS | 0 | ns-1481.awsdns-57.org | |
| 3cx.org | NS | 0 | ns-1579.awsdns-05.co.uk | |
| 3cx.org | NS | 0 | ns-202.awsdns-25.com | |
| 3cx.org | NS | 0 | ns-830.awsdns-39.net | |
| 3cx.org | AAAA | 0 | 2001:19f0:6401:1d1d:5400:4ff:fe1a:d6c7 | |
| 3cx.org | MX | 0 | 10 | mail.3cx.org |
| 3cx.org | A | 0 | 104.156.237.5 | |
| 3cx.org | SOA | 86400 | ns-202.awsdns-25.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400 | |
| 3cx.org | TXT | 0 | v=spf1 include:outbound.mailhop.org a:mailers.3cx.org -all | |
| www.3cx.org | CNAME | 0 | websrv01.22x2.net | |
| www.3cx.org | AAAA | 0 | 2001:19f0:6401:1d1d:5400:4ff:fe1a:d6c7 | |
| www.3cx.org | A | 0 | 104.156.237.5 |
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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
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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