DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
system.is runs on AS51896, with DNS by Google and email via Google Workspace.
- Hosting network
- AS51896AS51896
- Managed DNS
- Google Workspace
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- Set
Sits alongside 79 other sites on AS51896. Stable here since we started watching (Aug 27, 2026).
DNS Records for system.is
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| system.is | MX | 0 | 5 | alt1.aspmx.l.google.com |
| system.is | MX | 0 | 5 | alt2.aspmx.l.google.com |
| system.is | MX | 0 | 10 | alt4.aspmx.l.google.com |
| system.is | MX | 0 | 1 | aspmx.l.google.com |
| system.is | MX | 0 | 10 | alt3.aspmx.l.google.com |
| system.is | TXT | 0 | google-site-verification=UnRysnt2sftqZ70Hkykp8HAEMjWF4r6O5td81BLfbOY | |
| system.is | TXT | 0 | v=spf1 include:_spf.google.com -all | |
| system.is | NS | 0 | ns-cloud-d4.googledomains.com | |
| system.is | NS | 0 | ns-cloud-d3.googledomains.com | |
| system.is | NS | 0 | ns-cloud-d1.googledomains.com | |
| system.is | NS | 0 | ns-cloud-d2.googledomains.com | |
| system.is | SOA | 300 | ns-cloud-d1.googledomains.com cloud-dns-hostmaster.google.com 4 21600 3600 604800 300 | |
| system.is | CAA | 0 | 128 issuewild letsencrypt.org | |
| system.is | CAA | 0 | 128 iodef mailto:gabriel@system.is | |
| system.is | CAA | 0 | 128 iodef mailto:caa+system.is@meh.is | |
| system.is | CAA | 0 | 128 issue letsencrypt.org | |
| system.is | A | 0 | 31.209.154.37 |
Get alerted the moment system.is's DNS changes
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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