// REFERENCE
NSEC record
Type number: 47
Proves in DNSSEC that a name does not exist, chaining the zone's names. Its side effect is enabling zone walking (enumeration); NSEC3 mitigates it.
Related tools
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Related
caa
CAA record dnskey
DNSKEY record ds
DS record rrsig
RRSIG record nsec3
NSEC3 record tlsa
TLSA record (DANE)
CAA record dnskey
DNSKEY record ds
DS record rrsig
RRSIG record nsec3
NSEC3 record tlsa
TLSA record (DANE)
Types per the IANA DNS parameters registry and their RFCs. Educational content.