qtype

The DNS query type you want the rule to evaluate. Allowed values are;

• A: Returns an IPv4 address.

• AAAA: Returns an Ipv6 address.

• CAA: Restricts CAs that can create SSL/TLS certifications for the domain.

• CNAME: Returns another domain name.

• DS: Record that identifies the DNSSEC signing key of a delegated zone.

• MX: Specifies mail servers.

• NAPTR: Regular-expression-based rewriting of domain names.

• NS: Authoritative name servers.

• PTR: Maps an IP address to a domain name.

• SOA: Start of authority record for the zone.

• SPF: Lists the servers authorized to send emails from a domain.

• SRV: Application specific values that identify servers.

• TXT: Verifies email senders and application-specific values.

• A query type you define by using the DNS type ID, for example 28 for AAAA. The values must be defined as TYPENUMBER, where the NUMBER can be 1-65334, for example, TYPE28. For more information, see List of DNS record types.If you set up a firewall BLOCK rule with action NXDOMAIN on query type equals AAAA, this action will not be applied to synthetic IPv6 addresses generated when DNS64 is enabled.