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2600:9000:20c5:1000:6:fba2:1b80:93a1
2600:9000:20c5:3800:6:fba2:1b80:93a1
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2600:9000:20c5:b800:6:fba2:1b80:93a1
2600:9000:20c5:f000:6:fba2:1b80:93a1
inbound-smtp.us-east-1.amazonaws.com.
2600:9000:20c5:0:18:ded5:b480:93a1
2600:9000:20c5:1400:18:ded5:b480:93a1
2600:9000:20c5:2600:18:ded5:b480:93a1
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alt1.aspmx.l.google.com.
alt2.aspmx.l.google.com.
alt3.aspmx.l.google.com.
alt4.aspmx.l.google.com.
aspmx.l.google.com.