keyTag property
The key tag is a non-cryptographic hash of the a DNSKEY resource record associated with this DnsKey.
The key tag can be used to identify a DNSKEY more quickly (but it is not a unique identifier). In particular, the key tag is used in a parent zone's DS record to point at the DNSKEY in this child ManagedZone. The key tag is a number in the range [0, 65535] and the algorithm to calculate it is specified in RFC4034 Appendix B. Output only.
Implementation
core.int? keyTag;