go
www.btopenworld.co.uk has one IP number , which is the same as for btopenworld.co.uk. www.btopenworld.co.uk also has a corresponding reverse pointer. btyahoo.net, btyahoo.com, bt-yahoo.com, btyahoo.co.uk, bt-yahoo.co.uk and at least five other hosts point to the same IP. btopenworld.co.uk is delegated to two nameservers, however one extra nameserver is listed in the zone. All nameservers are at bt.net. All of them are on the same IP network. www.btopenworld.co.uk is hosted on a server in United Kingdom.

www.btopenworld.co.uk
a records
 
+ 213.121.143.193 213.120.0.0/14 AS2856 -
+ --- -
+ --- btopenworld.co.uk

btopenworld.co.uk
a records
 
+ 213.121.143.193 213.120.0.0/14 AS2856 www.btopenworld.co.uk
+ --- www.btopenworld.co.uk
+ --- -
ns-soa records
ns0.bt.net
+ 217.35.209.188 217.32.0.0/12 AS2856 indnss00.ukcore.bt.net
+ --- indnss00.ukcore.bt.net
+ --- -
+ --- indnss00.bt.net
ns records
ns0.bt.net
+ 217.35.209.188 217.32.0.0/12 AS2856 indnss00.ukcore.bt.net
+ --- indnss00.ukcore.bt.net
+ --- -
+ --- indnss00.bt.net
ns1.bt.net
+ 217.32.105.91 217.32.0.0/12 AS2856 -
+ --- -
+ --- indnss01.ukcore.bt.net
+ --- indnss01.bt.net
ns2.bt.net
+ 217.32.105.90 217.32.0.0/12 AS2856 indnss02.ukcore.bt.net
+ --- indnss02.ukcore.bt.net
+ --- -
+ --- indnss02.bt.net
ip numbers of host
213.121.143.193
ptrs of ip numbers
btopenworld.co.uk
www.btopenworld.co.uk
ip numbers using ptr to this host
213.121.143.193
hostnames sharing ip with a-records
.btopenworld.com
bt-yahoo.co.uk
bt-yahoo.com
btopenworld.co.uk
btopenworld.com
btyahoo.co.uk
btyahoo.com
btyahoo.net
www.btopenworld.com
www.btyahoo.co.uk
www.btyahoo.com
nameservers missing in parent delegation
ns2.bt.net