mx2.spamfiltering.com has no NS records.
NS records for this zone are defined at spamfiltering.com.
NS records for this zone are defined at spamfiltering.com.
Question and response
Question
dig mx2.spamfiltering.com. NS
Answer
The response has no answer records.
Authority
spamfiltering.com. 86400 SOA ns1.unitedhosting.co.uk. cpanel-alerts.xssl.net. 2025090600 86400 7200 3600000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0