Domain Information

Online Presence:

Certificate Transparency logs

Download the SSL certificates logs:

Filtering the output:

Filter by unique subdomains:

Filter by company-hosted servers:

Finding IOT Devices:

DNS records:

circle-info
  • A Records: Maps a domain name to IPV4 Address:

domain.com IN A 192.0.2.1

  • PTR Records: Maps an IPV4 Address to a domain name: 1.2.3.4.in-addr.arpa. IN PTR example.com

  • MX Records: Points to the mail server responsible for forwarding mail on behalf of a domain. (Mail Exchange) example.com. IN MX 10 mail.example.com.

  • NS Records: responsible for providing DNS information for the domain "example.com". example.com IN NS ns1.example.com

  • TXT Records: often contains verification keys for different third-party providers and other security aspects of DNS. example.com IN TXT "v=spf1 mx -all"

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