Zone apex
Start of authority
Email
Serial
2021073138
Refresh
3h
Retry
1h
Expire
14d
Negative cache TTL
5m
Question and response
Question
dig _spf4.mchsi.com. SOA
Answer
The response has no answer records.
Authority
mchsi.com. 300 SOA pdns104.ultradns.com. internetsupport.mediacomcc.com. 2021073138 10800 3600 1209600 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0