WWW.ROBTEX.COM - smtp1.cerf.net

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smtp1.cerf.net checked at 2025-09-23T14:00:05.122Z 484ms 33/33/33 100% R:12

`smtp1.cerf.net`

	A	192.215.81.80^{🇺🇸 AT&T US - 7018}
			PTR	`relay.san2.attens.net`

rank #865686 globally
rank #31659 in the tld

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smtp1.cerf.net is the mail server for usdhs.pvt.k12.ca.us.

smtp2.cerf.net and usdhs.pvt.k12.ca.us are commonly used as mail servers along with smtp1.cerf.net.

smtp1.cerf.net maps to IP address 192.215.81.80.

Other host names for instance smtp2.cerf.net and relay.san.cerf.net share IP numbers with smtp1.cerf.net.

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