HTTP Header reponses of maps.googleapis.com 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/1.1 404 Not Found Content-Type: text/html; charset=UTF-8 X-Content-Type-Options: nosniff Date: Thu, 03 Oct 2013 20:27:50 GMT Server: sffe Content-Length: 931 X-XSS-Protection: 1; mode=block Alternate-Protocol: 80:quic
DNS Record Analysis
There are total 3 records in domain name system (DNS) of maps.googleapis.com, which includes 1 Address(A) record, 1 IPv6 Address(AAAA) record and 1 Canonical Name(CNAME) 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
googleapis.l.google.com
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.
74.125.22.95
288
googleapis.l.google.com
AAAA IPv6 Address Record: A 128-bit IPv6 address, most commonly used to map hostnames to an IP address of the host.
287
ipv6: 2607:f8b0:400d:c06::5f
maps.googleapis.com
CNAME Canonical Name Record: Alias of one name to another: the DNS lookup will continue by retrying the lookup with the new name.
WebRankStats
Meta Description : 
visit SiteAdvisor
visit WOT
