Information about you: My IP information my proxy headers My IP GEO information My request headers
Information DNS records: Domain MX records tool Domain NS records tool Domain DNS records tool
WHOIS: Domain WHOIS tool Address WHOIS tool
IP address info or domain resolve: IP information tool Reverse Address lookup tool
Other: Trace Address Tool Ping Address Tool

Lookup DNS records tool,free online nslookup,fetch dns records

This is lookup DNS records tool, it created for fetch all records about domain (A,MX,NS,...). You can read related article here - dns records lookup. The Domain Name System (DNS) is a hierarchical naming system for computers, services, or any resource participating in the Internet. It associates various information with domain names assigned to such participants. The Domain Name System also defines the technical underpinnings of the functionality of this database service. For this purpose it defines the DNS protocol, a detailed specification of the data structures and communication exchanges used in DNS, as part of the Internet Protocol Suite (TCP/IP). A DNS zone consists of a collection of connected nodes authoritatively served by an authoritative nameserver. (Note that a single nameserver can host several zones.) Administrative responsibility over any zone may be divided, thereby creating additional zones. A Domain Name System server can delegate responsibility for a domain to another DNS server by returning an NS record when queried. This tool if fully free online nslookup for fetch dns records about domains and hostnames. This tool making geo ip lookup for domain name and fetching geo country, geo city information except fetch dns records.
Country location United States
Region name CA
City location Mountain View
ISP (provider) name N/A

Common records
host class ttl txt entries IN 3600 v=spf1 a mx ~all v=spf1 a mx ~all
txt: Arbitrary string data associated with this record.

host class ttl pri target IN 299 5 IN 299 5 IN 299 10 IN 299 10 IN 299 1
pri: Priority of mail exchanger. Lower numbers indicate greater priority.
target: FQDN of the mail exchanger.

host class ttl mname rname serial refresh retry expire minimum-ttl IN 300 2017071303 43200 900 1814400 10800
mname: FQDN of the machine from which the resource records originated.
rname: Email address of the administrative contain for this domain.
serial: Serial # of this revision of the requested domain.
refresh: Refresh interval (seconds) secondary name servers should use when updating remote copies of this domain.
retry: Length of time (seconds) to wait after a failed refresh before making a second attempt.
expire: Maximum length of time (seconds) a secondary DNS server should retain remote copies of the zone data without a successful refresh before discarding.
minimum-ttl: Minimum length of time (seconds) a client can continue to use a DNS resolution before it should request a new resolution from the server.

host class ttl ip IN 101
ip: An IPv4 addresses in dotted decimal notation.

host class ttl target IN 300 IN 300 IN 300 IN 300
target: FQDN of the name server which is authoritative for this hostname.