SOA
Start of Authority
Primary NS
Mailbox
root.blackrock.com
Serial
2026030307
Refresh
3600
Retry
3600
Expire
3600
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
MS=ms34527420
v=spf1 +mx -all
0f1815be-65d1-4cbf-9fda-f331702621b5
A