There are total 5 records in domain name system (DNS) of a-z.ru, which includes 1 Address(A) record, 1 Mail Exchange(MX) record, 2 Name Server(NS) records and 1 Start of Authority(SOA) record.
Host Name of the node to which this record pertains
Type Type of resource record in symbolic representation.
IP/Target
TTL Count of seconds that the resource record stays valid.
Extra Info Additional resource record-specific data
a-z.ru
A Address Record: A 32-bit IPv4 address, most commonly used to map hostnames to an IP address of the host, but also used for DNSBLs, storing subnet masks in RFC 1101.
176.9.54.70
86400
a-z.ru
MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.
umail.ru
86400
pri: 10
a-z.ru
NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.
dns1.mtu.ru
84600
a-z.ru
NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.
dns0.mtu.ru
84600
a-z.ru
SOA Start of Authority Record: Specifies authoritative information about a DNS zone, including the primary name server, the email of the domain administrator, the domain serial number, and several timers relating to refreshing the zone.