Generator

NAPTR Record Builder

RFC 3403 NAPTR records. Used by ENUM (E.164 → SIP/mailto) and SIP service discovery. Flags: S (target is SRV), A (A/AAAA), U (URI from regexp).

Domain

TTL

Order (lower = first)

Preference (within order)

Flags

Service

Regexp (POSIX, used when flags=U)

Replacement

Presets

NAPTR Record

; BIND zone file
example.com.	3600	IN	NAPTR	100 10 "S" "SIP+D2U" "" _sip._udp.example.com.

; Cloudflare / generic DNS panel:
Name:        example.com
Type:        NAPTR
Order:       100
Preference:  10
Flags:       S
Service:     SIP+D2U
Regexp:      (empty)
Replacement: _sip._udp.example.com.
TTL:         3600