SOA
Start of Authority
Primary NS
Mailbox
root.blackrock.com
Serial
2026030305
Refresh
28800
Retry
1800
Expire
604800
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
MS=ms87520499
v=spf1 +mx -all
0f1815be-65d1-4cbf-9fda-f331702621b5