121.0.25.53 — AS37963 Alibaba-Cloud

A record for

`smtp.mail.taobao.com`
	A	121.0.25.51
	A	121.0.25.52
	A	121.0.25.53
	A	121.0.25.54

IP numbers used in conjunction

100%	121.0.25.51
100%	121.0.25.52
100%	121.0.25.54

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