internalmx.smtpcorp.com. DNS history

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First observed
A +1 -0
+ internalmx.smtpcorp.com 600 A 198.74.56.28
SOA +1 -0
+ smtpcorp.com 1800 SOA ada.ns.cloudflare.com dns.cloudflare.com 2405329899 10000 2400 604800 1800