WWW.RTSAK.COM - hf.fas.harvard.edu

Search for IP or hostnames:

hf.fas.harvard.edu checked at 2025-10-17T19:19:56.657Z 461ms 92/92/92 100% R:10

`hf.fas.harvard.edu`

NS	`a1-171.akam.net`
		A	2600:1401:2::ab ^{🇺🇸 Akamai}
			PTR	`a1-171.akam.net`
			PTR	`ns1-171.akam.net`
		A	193.108.91.171^{🇳🇱 Akamai}
			PTR	`a1-171.akam.net`
			PTR	`ns1-171.akam.net`
NS	`a10-66.akam.net`
		A	2600:1480:d000::42 ^{🇺🇸 Akamai}
			PTR	`a10-66.akam.net`
		A	96.7.50.66^{🇺🇸 Akamai}
			PTR	`a10-66.akam.net`
NS	`a11-67.akam.net`
		A	2600:1480:1::43 ^{🇺🇸 Akamai}
			PTR	`a11-67.akam.net`
			PTR	`ns4-67.akam.net`
		A	84.53.139.67^{🇳🇱 Akamai}
			PTR	`a11-67.akam.net`
			PTR	`ns4-67.akam.net`
NS	`a16-64.akam.net`
		A	2600:1406:1b::40 ^{🇺🇸 Akamai}
			PTR	`a16-64.akam.net`
		A	23.211.132.64^{🇺🇸 Akamai}
			PTR	`a16-64.akam.net`
NS	`a6-66.akam.net`
		A	2600:1401:1::42 ^{🇺🇸 Akamai}
			PTR	`a6-66.akam.net`
		A	23.211.133.66^{🇺🇸 Akamai}
			PTR	`a6-66.akam.net`
NS	`a7-65.akam.net`
		A	2600:1406:32::41 ^{🇺🇸 Akamai}
			PTR	`a7-65.akam.net`
			PTR	`ns3-65.akam.net`
		A	23.61.199.65^{🇺🇸 Akamai}
			PTR	`a7-65.akam.net`
			PTR	`ns3-65.akam.net`
A	140.247.220.16^{🇺🇸 HARVARDNET}
		PTR	`hf.fas.harvard.edu`

`fas.harvard.edu`

	MX	`mx0a-00171101.pphosted.com`
	MX	`mx0b-00171101.pphosted.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`

PTR for

16.220.247.140.in-addr.arpa

Starts with same word

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Starts similarily

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AI analysis

hf.fas.harvard.edu points to a single IP number: 140.247.220.16.

hf.fas.harvard.edu is delegated to six name servers: a1-171.akam.net, a10-66.akam.net, a11-67.akam.net, a16-64.akam.net, a6-66.akam.net and a7-65.akam.net.

hf.fas.harvard.edu at least partially shares name servers with other domains, for instance datalink.abbott, mavs.tv, 209.164.69.in-addr.arpa, fullcinemas.com and clearly.co.nz.

These name servers are commonly used together with the name servers a9-66.akam.net, a4-64.akam.net, a12-65.akam.net, a3-67.akam.net, a1-249.akam.net, a3-65.akam.net, a26-64.akam.net, a12-67.akam.net, a13-67.akam.net and a18-65.akam.net.

Host names with two IPs:

a1-171.akam.net points to 2600:1401:2::ab and 193.108.91.171.

a10-66.akam.net points to 2600:1480:d000::42 and 96.7.50.66.

a11-67.akam.net points to 2600:1480:1::43 and 84.53.139.67.

a16-64.akam.net points to 2600:1406:1b::40 and 23.211.132.64.

a6-66.akam.net points to 2600:1401:1::42 and 23.211.133.66.

a7-65.akam.net points to 2600:1406:32::41 and 23.61.199.65.

dbq