GoDaddy:
nsxx.domaincontrol.com
123-Reg:
nsxx.domaincontrol.com
Names (Namesco):
ns0.phase8.net
ns1.phase8.net
ns2.phase8.net
Heart Internet:
ns.heartinternet.co.uk
ns2.heartinternet.co.uk
ns.mainnameserver.com
ns2.mainnameserver.com
EasySpace:
UK2:
Bluehosts:
Dreamhost:
ns1.dreamhost.com
ns2.dreamhost.com
ns3.dreamhost.com
Namecheap:
Google Domains:
Nominet:
IONOS/1AND1
LCN:
Gandi:
BT (British Telecom) Business:
eNom:
FastHosts:
ns1.livedns.co.uk
ns2.livedns.co.uk
ns3.livedns.co.uk