CF1763513401464-tsm20251116095642

MXLIST.NET - smtp1r.cp.blacknight.com

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smtp1r.cp.blacknight.com checked at 2025-11-19T00:50:01.446Z 258ms 46/46/46 100% R:13 allDone:true timedOut:false

smtp1r.cp.blacknight.com

A81.17.254.19🇮🇪 Blacknight Internet Solutions
PTRnginxmailproxy001.blacknight.com
A81.17.254.20🇮🇪 Blacknight Internet Solutions
PTRnginxmailproxy002.blacknight.com
A81.17.254.21🇮🇪 Blacknight Internet Solutions
PTRnginxmxproxy001.blacknight.com
A81.17.254.22🇮🇪 Blacknight Internet Solutions
PTRnginxmxproxy002.blacknight.com

cp.blacknight.com

MXmailbalance.blacknight.ie
A78.153.212.133🇮🇪 Blacknight Internet Solutions

MX for

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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