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smtp21a.msgapp.com checked at 2025-09-24T10:17:25.071Z 51ms 24/24/24 100% R:8

`smtp21a.msgapp.com`

	A	18.232.1.21^{🇺🇸 Amazon}
			PTR	`smtp21a.msgapp.com`

	NS	`ns-9.awsdns-01.com`
	NS	`ns-911.awsdns-49.net`
	NS	`ns-1377.awsdns-44.org`
	MX	`incoming.internap.msgapp.com`
	NS	`ns-1686.awsdns-18.co.uk`

rank #957023 globally
rank #496123 in the tld

21.1.232.18.in-addr.arpa

smtp21a.msgapp.com resolves to one IP number: 18.232.1.21.

dbq