DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
opentrain.ai runs on Cloudflare, with DNS by Cloudflare and email via Google Workspace.
- Hosting network
- CloudflareAS13335Cloudflare
- Managed DNS
- Cloudflare
- Google Workspace
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 4,999+ other sites on Cloudflare. Stable here since we started watching (Sep 9, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for opentrain.ai
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| opentrain.ai | A | 0 | 172.66.40.136 | |
| opentrain.ai | A | 0 | 172.66.43.120 | |
| opentrain.ai | MX | 0 | 10 | alt3.aspmx.l.google.com |
| opentrain.ai | MX | 0 | 1 | aspmx.l.google.com |
| opentrain.ai | MX | 0 | 10 | alt4.aspmx.l.google.com |
| opentrain.ai | MX | 0 | 5 | alt2.aspmx.l.google.com |
| opentrain.ai | MX | 0 | 5 | alt1.aspmx.l.google.com |
| opentrain.ai | AAAA | 0 | 2606:4700:3108::ac42:2888 | |
| opentrain.ai | AAAA | 0 | 2606:4700:3108::ac42:2b78 | |
| opentrain.ai | SOA | 1800 | coleman.ns.cloudflare.com dns.cloudflare.com 2414446595 10000 2400 604800 1800 | |
| opentrain.ai | NS | 0 | saanvi.ns.cloudflare.com | |
| opentrain.ai | NS | 0 | coleman.ns.cloudflare.com | |
| opentrain.ai | TXT | 0 | v=spf1 include:dc-aa8e722993._spfm.opentrain.ai include:transmail.net include:44467066.spf10.hubspotemail.net ~all | |
| opentrain.ai | TXT | 0 | google-site-verification=0DjskkgbgN9dT6rAldeBop_Av_FjhaXxrl9rrD4QebE | |
| opentrain.ai | TXT | 0 | google-site-verification=WiDYPVyy6T3zYxm7Jd1T6Sg5tKExBQI2uJrRxffgv0w | |
| opentrain.ai | TXT | 0 | google-site-verification=POgSUo6L4ugoVi6tv7AGwevycreUpoP5QiPP-oFnxQQ | |
| opentrain.ai | TXT | 0 | google-site-verification=CTm4tQ6A5ar61S-RKgVCs78vu2XuztqOyxY2Yf8PNh4 | |
| www.opentrain.ai | A | 0 | 172.66.43.120 | |
| www.opentrain.ai | A | 0 | 172.66.40.136 | |
| www.opentrain.ai | AAAA | 0 | 2606:4700:3108::ac42:2b78 | |
| www.opentrain.ai | AAAA | 0 | 2606:4700:3108::ac42:2888 |
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Our daily roundup of the most interesting DNS changes across the web — hosting and CDN migrations, network moves, and security-config shifts.
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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
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