Registro IPv4
host: hems-london.org.uk
class: IN
ttl: 300
type: A
ip: 172.67.155.12

Registro IPv4
host: hems-london.org.uk
class: IN
ttl: 300
type: A
ip: 104.21.13.71

Servidores DNS Principal (mname) y Secundario (rname)
host: hems-london.org.uk
class: IN
ttl: 1800
type: SOA
mname: ken.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2417109325
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800