15 DNS NS record assets at eddns1.bt.com.
bt.co.uk
btyahoo.co.uk
openreach.co.uk
bt.org
britishtelecom.com
btopenworld.com
btmobileworld.com
british-telecom.co.uk
btyahoo.net
bt.com
btconnect.com
btyahoo.org
btinternet.com
btyahoo.com
im-ee.co.uk