Zone apex
Start of authority
Email
Serial
2802
Refresh
1h
Retry
15m
Expire
28d
Negative cache TTL
15m
Question and response
Question
dig spf-rnmk.reedelsevier.com. SOA
Answer
The response has no answer records.
Authority
reedelsevier.com. 900 SOA spn5061.telecom.regn.net. hostmaster.lexisnexis.com. 2802 3600 900 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0