DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
cortex.net runs on Microsoft Azure, with DNS by AWS Route 53 and email via Microsoft 365.
- Hosting network
- Microsoft AzureAS8075Microsoft Azure
- Managed DNS
- AWS Route 53
- Microsoft 365
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 4,999+ other sites on Microsoft Azure. Stable here since we started watching (Jul 23, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for cortex.net
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| cortex.net | TXT | 0 | spycloud-domain-verification=15179c20-8f19-470e-8eb0-44491997b1c5 | |
| cortex.net | TXT | 0 | MS=ms86199062 | |
| cortex.net | TXT | 0 | v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all | |
| cortex.net | TXT | 0 | _xqpbz8pomd7f4jouvvuxoyx5sxfjwj3 | |
| cortex.net | TXT | 0 | 8a98cea62d0e475273f7aab003215f81 | |
| cortex.net | TXT | 0 | j0gw73mhl0bqd63txjfvls50cmn2kr8h | |
| cortex.net | TXT | 0 | 0ed1fe018ae9410b22d6f040ee8a15574e2e4e1e3c | |
| cortex.net | TXT | 0 | 5l2qprj58ftpvcvbb3pnkt3w5szqqhlk | |
| cortex.net | MX | 0 | cortex-net.mail.protection.outlook.com | |
| cortex.net | A | 0 | 52.151.203.161 | |
| cortex.net | NS | 0 | ns-604.awsdns-11.net | |
| cortex.net | NS | 0 | ns-1156.awsdns-16.org | |
| cortex.net | NS | 0 | ns-387.awsdns-48.com | |
| cortex.net | NS | 0 | ns-1592.awsdns-07.co.uk | |
| cortex.net | SOA | 86400 | ns-604.awsdns-11.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400 | |
| www.cortex.net | A | 0 | 52.151.203.161 |
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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