A
IPv4 address
Los Nettos
AS226
AAAA
IPv6 address
B.Root-Server-OPS
AS394353
CNAME
Canonical name
Apex domains cannot have CNAME records.
TXT
Human readable text
b.root-servers.org has no TXT records.
MX
Mail server
NS
Authoritative DNS server
SOA
Start of authority
Zone apex
Start of authority
Email
Serial
1739575851
Refresh
2h
Retry
2h
Expire
7d
Negative cache TTL
2h
Other record types