HTTP Header reponses of over-lap.co.jp 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: Sat, 15 Dec 2012 00:36:31 GMT Server: Apache/2.2.21 (Unix) mod_ssl/2.2.21 OpenSSL/0.9.8l Last-Modified: Fri, 25 May 2012 08:52:27 GMT ETag: "2d002cc-a54-4c0d87cda68c0" Accept-Ranges: bytes Content-Length: 2644 Content-Type: text/html
DNS Record Analysis
There are total 10 records in domain name system (DNS) of over-lap.co.jp, which includes 1 Address(A) record, 5 Mail Exchange(MX) records, 2 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
over-lap.co.jp
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.
211.123.214.24
442
over-lap.co.jp
MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.
aspmx.l.google.com
600
pri: 1
over-lap.co.jp
MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.
alt1.aspmx.l.google.com
600
pri: 5
over-lap.co.jp
MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.
alt2.aspmx.l.google.com
600
pri: 5
over-lap.co.jp
MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.
aspmx3.googlemail.com
600
pri: 10
over-lap.co.jp
MX Mail Exchange Record: Maps a domain name to a list of message transfer agents for that domain.
aspmx2.googlemail.com
600
pri: 10
over-lap.co.jp
NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.
dns02.gmoserver.jp
442
over-lap.co.jp
NS Name Server Record: Delegates a DNS zone to use the given authoritative name servers.
dns01.gmoserver.jp
442
over-lap.co.jp
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.
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