DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, and CNAME records for any domain
DNS Records for polytechnique.edu
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| polytechnique.edu | MX | 0 | 10 | mx-b.polytechnique.fr |
| polytechnique.edu | MX | 0 | 10 | mx-a.polytechnique.fr |
| polytechnique.edu | A | 0 | 129.104.30.29 | |
| polytechnique.edu | NS | 0 | nsa.perf1.fr | |
| polytechnique.edu | NS | 0 | nsb.perf1.com | |
| polytechnique.edu | NS | 0 | milou.polytechnique.fr | |
| polytechnique.edu | NS | 0 | rackham.polytechnique.fr | |
| polytechnique.edu | NS | 0 | picaros.polytechnique.fr | |
| polytechnique.edu | SOA | 3600 | milou.polytechnique.fr hostmaster.polytechnique.fr 2025122930 86400 21600 1209600 3600 | |
| www.polytechnique.edu | A | 0 | 129.104.30.29 | |
| www.polytechnique.edu | CNAME | 0 | drupal.polytechnique.fr | |
| www.polytechnique.edu | MX | 0 | 10 | mx-a.polytechnique.fr |
| www.polytechnique.edu | MX | 0 | 10 | mx-b.polytechnique.fr |
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