HTTP Header reponses of iutoic-dhaka.edu is the information we get when HTTP request sent to a server from connecting clients(e.g. chrome, firefox). When you input an address into your browser it sends a request to the server hosting the domain and the server responds. HTTP Header information is not directly displayed by normal web browsers like chrome, firefox etc.
HTTP/1.1 200 OK Date: Wed, 31 Dec 2014 05:53:38 GMT Server: Apache/2.2.3 (CentOS) X-Powered-By: PHP/5.4.32 Content-Length: 4005 Connection: close Content-Type: text/html; charset=UTF-8
DNS Record Analysis
There are total 4 records in domain name system (DNS) of iutoic-dhaka.edu, which includes 1 Address(A) 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
iutoic-dhaka.edu
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.
123.49.34.4
86398
iutoic-dhaka.edu
NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.
web.iut-dhaka.edu
86400
iutoic-dhaka.edu
NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.
dns01.iut-dhaka.edu
86400
iutoic-dhaka.edu
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.
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