smtpm21.o2.cz NS records

NS Authoritative DNS server
3h
smtpm21.o2.cz has no NS records.
NS records for this zone are defined at o2.cz.
trace smtpm21.o2.cz NS records for o2.cz

Question and response

Question

dig smtpm21.o2.cz. NS

Answer

The response has no answer records.

Authority

o2.cz. 10800 SOA dns.iol.cz. hostmaster.iol.cz. 2026032400 10800 3600 2592000 10800

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0