SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2419010511
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
MX
Mail Exchangers
TXT
TXT Records
knowbe4-site-verification=e40104c18736ebb1daacbede9fe99182
v=spf1 include:_phishspf.knowbe4.com -all