WWW.RTSAK.COM - www2.cfa.harvard.edu

Search for IP or hostnames:

www2.cfa.harvard.edu checked at 2025-11-25T09:31:10.288Z 73ms 28/28/28 100% R:11 allDone:true timedOut:false

`www2.cfa.harvard.edu`

	A	131.142.21.12^{🇺🇸 HARVARDNET}
			PTR	`www2.cfa.harvard.edu`

`cfa.harvard.edu`

	MX	`aspmx2.googlemail.com`
	MX	`aspmx3.googlemail.com`
	NS	`a1-171.akam.net`
	NS	`a10-66.akam.net`
	NS	`a11-67.akam.net`
	NS	`a16-64.akam.net`
	NS	`a6-66.akam.net`
	NS	`a7-65.akam.net`
	MX	`aspmx.l.google.com`
	MX	`alt1.aspmx.l.google.com`
	MX	`alt2.aspmx.l.google.com`
	A	104.20.19.56^Cloudflare
	A	172.66.165.88^{🇺🇸 Cloudflare}

PTR for

12.21.142.131.in-addr.arpa

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