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smtp253.sh.chengmail.me checked at 2025-11-17T07:48:50.615Z 5148ms 18/19/19 95% R:8 allDone:false timedOut:true

`smtp253.sh.chengmail.me`

	A	103.21.143.20^{🇨🇳 CHINANET-SHANGHAI-MAN}
			PTR	`smtp253.sh.chengmail.me`

20.143.21.103.in-addr.arpa

smtp235.uni5.net

smtp253.sh.chengmail.me points to a single IP number: 103.21.143.20.

dbq