SOA
Start of Authority
Primary NS
Mailbox
hostmaster.northstonematerials.com
Serial
1708358434
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
40000
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf.crh.com exists:%{i}.mta.spf.extendcp.co.uk exists:%{i}.web.spf.extendcp.co.uk ip4:195.171.209.242 -all