DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
k-os.org isn’t pointed at a host yet — it has nameservers configured but no A/AAAA records for us to trace to a hosting network.
- Managed DNS
- Self-hosted / other
- Configured
DNS Records for k-os.org
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| k-os.org | SOA | 300 | 01.dnsv.jp hostmaster.dnsv.jp 1745858117 3600 900 604800 300 | |
| k-os.org | TXT | 0 | v=spf1 a:www2684.sakura.ne.jp mx~all | |
| k-os.org | NS | 0 | 02.dnsv.jp | |
| k-os.org | NS | 0 | 04.dnsv.jp | |
| k-os.org | NS | 0 | 01.dnsv.jp | |
| k-os.org | NS | 0 | 03.dnsv.jp | |
| k-os.org | MX | 0 | 10 | mail.k-os.org |
| www.k-os.org | A | 0 | 49.212.180.94 |
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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