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Search PORT description


Domain A Record Lookup, domain a lookup,find a record,checker

Welcome to online domain a record lookup tool. This version of a record checker working for domain names only, here you will find full A records list for domain, and some geo ip information like country,region,city,ISP.
Domain A lookup can be used for find all IP's od domain (see additional info section). So whats is A record, and what it's functionality? A record - type of DNS record that responsible for translate a domain name to an IPv4 address. It's very important functionality, and domain will not work propertly (or fully) with out A record. So if you have a problem like "Browser can't find the server at 2sdfsdewqeef.com.", you must understand that browser searching server with "domain name", but TCP/IP connection opening with using IP address. thats why you can try to find a record first of all, and only after it's a record check success - you can try to check server for accessibility via port 80.
Most importantly, it translates domain names meaningful to humans into the numerical (binary) identifiers associated with networking equipment for the purpose of locating and addressing these devices world-wide.
*you can click to any domain in search result and get full dns records list.

[www.domain.com] it's subdomain of [domain.com]. Thats why [domain.com] can exist but [www.domain.com] not exist and [www.domain.com] can exist but [domain.com] - not.
new window:
yahoo.com (example of lookup)

A DNS records
host class ttl ip
yahoo.com IN 796 74.6.231.21
yahoo.com IN 796 98.137.11.163
yahoo.com IN 796 98.137.11.164
yahoo.com IN 796 74.6.143.25
yahoo.com IN 796 74.6.143.26
yahoo.com IN 796 74.6.231.20

Additional info
IP 74.6.231.20
IP 174.6.231.21
IP 298.137.11.163
IP 398.137.11.164
IP 474.6.143.25
IP 574.6.143.26
COUNTRY NAME United States
REGION NAME N/A
CITY Quincy
PROVIDER (ORG) YAHOO-GQ1