DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
01os.net runs on Cloudflare (multi-homed across 2 networks).
- Hosting network
- Cloudflaremulti-homedAS13335CloudflareAS400095
- Managed DNS
- Self-hosted / other
- None
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 6,136,855 other sites on Cloudflare. Stable here since we started watching (Oct 27, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to a.dnsapi12.com.
DNS Records for 01os.net
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| 01os.net | SOA | 600 | ns1.julydns.com master.jmdns.com 1783761625 3600 1200 86400 600 | |
| 01os.net | NS | 0 | ns1.julydns.com | |
| 01os.net | NS | 0 | ns2.julydns.com | |
| 01os.net | CNAME | 0 | a.dnsapi12.com | |
| 01os.net | A | 0 | 104.17.123.172 | |
| 01os.net | A | 0 | 104.16.250.24 | |
| 01os.net | A | 0 | 104.18.43.37 | |
| 01os.net | A | 0 | 104.17.96.45 | |
| 01os.net | A | 0 | 104.17.18.129 | |
| 01os.net | AAAA | 0 | 2606:4700:4400::b29a:a199 | |
| 01os.net | AAAA | 0 | 2606:4700:440d::3067:134 | |
| 01os.net | AAAA | 0 | 2606:4700:4408::7f75:e9dd | |
| 01os.net | AAAA | 0 | 2606:4700:4404::c423:3eee | |
| 01os.net | AAAA | 0 | 2606:4700:440c::4854:cb3c | |
| www.01os.net | CNAME | 0 | a.dnsapi12.com | |
| www.01os.net | AAAA | 0 | 2606:4700:4408::7f75:e9dd | |
| www.01os.net | AAAA | 0 | 2606:4700:440d::3067:134 | |
| www.01os.net | AAAA | 0 | 2606:4700:440c::4854:cb3c | |
| www.01os.net | AAAA | 0 | 2606:4700:4404::c423:3eee | |
| www.01os.net | AAAA | 0 | 2606:4700:4400::b29a:a199 | |
| www.01os.net | A | 0 | 104.17.18.129 | |
| www.01os.net | A | 0 | 104.16.250.24 | |
| www.01os.net | A | 0 | 104.18.43.37 | |
| www.01os.net | A | 0 | 104.17.123.172 | |
| www.01os.net | A | 0 | 104.17.96.45 |
Get alerted the moment 01os.net's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch 01os.net 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, CNAME, TXT 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