5
records
IPv4 Addresses
TTL
root.cern. 43200 IN A 137.138.6.72
IPv6 Addresses
TTL
root.cern. 43200 IN AAAA 2001:1458:201:8B:0:0:100:23B
Name Servers
TTL
NS
—
12h
NS
—
12h
root.cern. 43200 IN NS ext-dns-1.cern.ch. root.cern. 43200 IN NS ext-dns-2.cern.ch.
SOA Details
TTL
SOA
Primary NS
Responsible
external-dns.cern.ch
0m
Serial
2025032501
0m
Times
Refresh
12h
Retry
3h
Expire
7d
Minimum TTL
12h
root.cern. 43200 IN SOA ext-dns-1.cern.ch. external-dns.cern.ch. 2025032501 43200 10800 604800 43200