3
records
Canonical Names
TTL
CNAME
29m
checkin.c21school.edu.kh. 1799 IN CNAME checkin-com21.web.app.
IPv6 Addresses
TTL
23h
checkin.c21school.edu.kh. 86399 IN AAAA 2620:0:890:0:0:0:0:100