MXLIST.NET - extension.harvard.edu

Search for IP or hostnames:

extension.harvard.edu checked at 2025-11-18T20:28:59.885Z 2216ms 137/137/137 100% R:10 allDone:true timedOut:false

`extension.harvard.edu`

MX	`mx0a-00171101.pphosted.com`
		A	67.231.148.27^{🇺🇸 Proofpoint}
			PTR	`mx0a-00171101.pphosted.com`
MX	`mx0b-00171101.pphosted.com`
		A	67.231.156.27^{🇺🇸 Proofpoint}
			PTR	`mx0b-00171101.pphosted.com`
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	2620:12a:8000::1 ^{🇺🇸 Fastly}
A	2620:12a:8001::1 ^{🇺🇸 Fastly}
A	23.185.0.1^{🇺🇸 Fastly}

`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`
	A	192.0.66.20^{🇺🇸 Automattic}

rank #103 globally
rank #1 in the tld
This domain name "harvard.edu" represents the official website of Harvard University, a prestigious Ivy League research university located in Cambridge, Massachusetts, United States. It serves as a platform for the institution to share information about its academics, research, admissions, campus life, news, events, and other university-related content to students, staff, alumni, and the public.

Up

my.extension.harvard.edu

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alumni.extension.harvard.edu

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AI analysis

extension.harvard.edu is the parent of my.extension.harvard.edu, carc.extension.harvard.edu, thesis.extension.harvard.edu, m.extension.harvard.edu, itunes.extension.harvard.edu and a few other host names.

extension.harvard.edu resolves to three IP numbers: 2620:12a:8000::1, 2620:12a:8001::1 and 23.185.0.1.

other host names include live-gpse.pantheonsite.io, greensceneinc.com, asbcouncil.org, insourcess.com and returnpath.com; they share IP numbers with extension.harvard.edu.

extension.harvard.edu delegates 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.

extension.harvard.edu at least partially shares name servers with other domains, for instance 227.198.in-addr.arpa, mvmasters.com, 179.14.72.in-addr.arpa, 7.101.198.in-addr.arpa and realinvest.at.

these name servers are commonly used with a9-66.akam.net, a4-64.akam.net, a12-65.akam.net, a3-67.akam.net, a3-65.akam.net, a1-249.akam.net, a12-67.akam.net, a26-64.akam.net, a7-66.akam.net and a13-67.akam.net.

Host names with two IP numbers:

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.

extension.harvard.edu is handled by two mail servers: mx0a-00171101.pphosted.com and mx0b-00171101.pphosted.com.

extension.harvard.edu uses the same mail server setup as other domains, for instance flyrnai.org, law.harvard.edu, hst.harvard.edu, das.harvard.edu and clubs.harvard.edu.

extension.harvard.edu shares at least some mail servers with other domains, including unix.fas.harvard.edu and calists.harvard.edu.

Host names with one IP:

mx0a-00171101.pphosted.com points to: 67.231.148.27

mx0b-00171101.pphosted.com points to: 67.231.156.27

dbq