It's OK here - now, at least!
15:51 [2] (2) "~" jamie@lapcat% nslookup
> server a.root-servers.net.
Default server: a.root-servers.net.
Address: 2001:503:ba3e::2:30#53
Default server: a.root-servers.net.
Address: 198.41.0.4#53
>
> set q=ns
>
> theregister.co.uk.
Server: a.root-servers.net.
Address: 2001:503:ba3e::2:30#53
Non-authoritative answer:
*** Can't find theregister.co.uk.: No answer
Authoritative answers can be found from:
uk nameserver = nsa.nic.uk.
uk nameserver = nsb.nic.uk.
uk nameserver = nsc.nic.uk.
uk nameserver = nsd.nic.uk.
uk nameserver = dns1.nic.uk.
uk nameserver = dns2.nic.uk.
uk nameserver = dns3.nic.uk.
uk nameserver = dns4.nic.uk.
nsa.nic.uk internet address = 156.154.100.3
nsb.nic.uk internet address = 156.154.101.3
nsc.nic.uk internet address = 156.154.102.3
nsd.nic.uk internet address = 156.154.103.3
dns1.nic.uk internet address = 213.248.216.1
dns2.nic.uk internet address = 103.49.80.1
dns3.nic.uk internet address = 213.248.220.1
dns4.nic.uk internet address = 43.230.48.1
nsa.nic.uk has AAAA address 2001:502:ad09::3
dns1.nic.uk has AAAA address 2a01:618:400::1
dns2.nic.uk has AAAA address 2401:fd80:400::1
dns3.nic.uk has AAAA address 2a01:618:404::1
dns4.nic.uk has AAAA address 2401:fd80:404::1
>
> server nsa.nic.uk.
Default server: nsa.nic.uk.
Address: 2001:502:ad09::3#53
Default server: nsa.nic.uk.
Address: 156.154.100.3#53
> theregister.co.uk.
Server: nsa.nic.uk.
Address: 2001:502:ad09::3#53
Non-authoritative answer:
*** Can't find theregister.co.uk.: No answer
Authoritative answers can be found from:
theregister.co.uk nameserver = gerald.ns.cloudflare.com.
theregister.co.uk nameserver = dahlia.ns.cloudflare.com.
>
> server gerald.ns.cloudflare.com.
Default server: gerald.ns.cloudflare.com.
Address: 2400:cb00:2049:1::adf5:3ba8#53
Default server: gerald.ns.cloudflare.com.
Address: 173.245.59.168#53
>
> theregister.co.uk.
Server: gerald.ns.cloudflare.com.
Address: 2400:cb00:2049:1::adf5:3ba8#53
theregister.co.uk nameserver = gerald.ns.cloudflare.com.
theregister.co.uk nameserver = dahlia.ns.cloudflare.com.
>
> set q=a
>
> www.theregister.co.uk.
Server: gerald.ns.cloudflare.com.
Address: 2400:cb00:2049:1::adf5:3ba8#53
Name: www.theregister.co.uk
Address: 104.20.24.212
Name: www.theregister.co.uk
Address: 104.20.25.212
>
> server dahlia.ns.cloudflare.com.
Default server: dahlia.ns.cloudflare.com.
Address: 2400:cb00:2049:1::adf5:3a59#53
Default server: dahlia.ns.cloudflare.com.
Address: 173.245.58.89#53
>
> www.theregister.co.uk.
Server: dahlia.ns.cloudflare.com.
Address: 2400:cb00:2049:1::adf5:3a59#53
Name: www.theregister.co.uk
Address: 104.20.25.212
Name: www.theregister.co.uk
Address: 104.20.24.212
>