4
records
IPv4 Addresses
TTL
cz.o2.com. 300 IN A 160.218.161.165
Name Servers
TTL
NS
—
5m
NS
—
5m
cz.o2.com. 300 IN NS dns.iol.cz. cz.o2.com. 300 IN NS ns2.tel.cz.
SOA Details
TTL
5m
SOA
Responsible
hostmaster.iol.cz
SOA
Serial
2025100100
SOA
Times
Refresh
15m
Retry
1h
Expire
30d
Minimum TTL
5m
cz.o2.com. 300 IN SOA dns.iol.cz. hostmaster.iol.cz. 2025100100 900 3600 2592000 300