Look up DNS records for any domain using public DNS APIs.
| A | IPv4 address record |
| AAAA | IPv6 address record |
| MX | Mail exchange records |
| NS | Name server records |
| TXT | Text records (SPF, DKIM, etc.) |
| CNAME | Canonical name (alias) |
Check if site is up
Find MAC vendor
Parse user agents
Find your IP address
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