DNS tools
Look up any DNS record, see exactly what public resolvers return, and check that your nameservers are healthy.
- Dig: Online DNS LookupQuery any DNS record type the way the dig command does, from Google Public DNS or Cloudflare, with TTLs, the response status and DNSSEC validation.
- What is my IP address?These are the public IP addresses websites and mail servers see when you connect from this network.
- A Record LookupLook up the IPv4 addresses a hostname points to.
- AAAA Record LookupLook up the IPv6 addresses a hostname points to.
- CNAME LookupLook up the canonical name an alias points to.
- TXT Record LookupLook up the text records published for a name.
- NS Record LookupLook up the nameservers responsible for a domain.
- SOA Record LookupLook up a zone's start-of-authority settings.
- CAA Record LookupLook up which certificate authorities may issue certificates.
- SRV Record LookupLook up the host and port that provide a service.
- Reverse DNS (PTR) LookupFind the hostname an IP address points back to. Mail servers check this before accepting email.
- DNS Health CheckCheck that a domain's nameservers all answer, agree with each other and follow best practices.