There are total 5 records in domain name system (DNS) of facebook.net, which includes 3 Name Server(NS) records, 1 Start of Authority(SOA) record and 1 Text(TXT) 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
facebook.net
NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.
ns4.facebook.com
172800
facebook.net
NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.
ns3.facebook.com
172800
facebook.net
NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.
ns5.facebook.com
172800
facebook.net
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.
TXT Text Record: Originally for arbitrary human-readable text in a DNS record. Since the early 1990s, however, this record more often carries machine-readable data, such as specified by RFC 1464, opportunistic encryption, Sender Policy Framework, DKIM, DMARC DNS-SD.
WebRankStats
Meta Description : 
visit SiteAdvisor
visit WOT
