MXLIST.NET - my.extension.harvard.edu

Search for IP or hostnames:

my.extension.harvard.edu checked at 2025-11-23T01:13:43.793Z 550ms 121/121/121 100% R:17 allDone:true timedOut:false

`my.extension.harvard.edu`

CNAME	`my.extension.harvard.edu.s3-website-us-east-1.amazonaws.com`
CNAME	`s3-website.us-east-1.amazonaws.com`
NS	`ns-437.awsdns-54.com`
		A	2600:9000:5301:b500::1 ^{🇺🇸 Amazon}
			PTR	`ns-437.awsdns-54.com`
		A	205.251.193.181^{🇺🇸 Amazon}
			PTR	`ns-437.awsdns-54.com`
NS	`ns-611.awsdns-12.net`
		A	2600:9000:5302:6300::1 ^{🇺🇸 Amazon}
			PTR	`ns-611.awsdns-12.net`
		A	205.251.194.99^{🇺🇸 Amazon}
			PTR	`ns-611.awsdns-12.net`
NS	`ns-1286.awsdns-32.org`
		A	2600:9000:5305:600::1 ^{🇺🇸 Amazon}
			PTR	`ns-1286.awsdns-32.org`
		A	205.251.197.6^{🇺🇸 Amazon}
			PTR	`ns-1286.awsdns-32.org`
NS	`ns-1779.awsdns-30.co.uk`
		A	2600:9000:5306:f300::1 ^{🇺🇸 Amazon}
			PTR	`ns-1779.awsdns-30.co.uk`
		A	205.251.198.243^{🇺🇸 Amazon}
			PTR	`ns-1779.awsdns-30.co.uk`
A	16.15.177.174^{🇺🇸 Amazon}
A	52.216.26.203^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.216.59.229^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.217.72.19^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.217.194.133^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	52.217.204.13^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	54.231.192.109^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`
A	54.231.232.133^{🇺🇸 Amazon}
		PTR	`s3-website-us-east-1.amazonaws.com`

`extension.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	2620:12a:8000::1 ^{🇺🇸 Fastly}
	A	2620:12a:8001::1 ^{🇺🇸 Fastly}
	A	23.185.0.1^{🇺🇸 Fastly}

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AI analysis

Eight IP numbers are targeted by my.extension.harvard.edu: 16.15.177.174, 52.216.26.203, 52.216.59.229, 52.217.72.19, 52.217.194.133, 52.217.204.13, 54.231.192.109 and 54.231.232.133.

other host names including comspacewatch.com, fitnessclass.co, update.atlona.com, sig.theater and whendoesitgo.com share IP numbers with my.extension.harvard.edu.

my.extension.harvard.edu is delegated to four name servers: ns-437.awsdns-54.com, ns-611.awsdns-12.net, ns-1286.awsdns-32.org and ns-1779.awsdns-30.co.uk.

my.extension.harvard.edu at least partially shares name servers with other domains, for instance vaioni.net, sso1cbeta.trendmicro.com, ben10.mx, dd1dkcp10akjb.cloudfront.net and sampleox.com.

These name servers are commonly used with the following name servers: ns-29.awsdns-03.com, ns-703.awsdns-23.net, ns-1094.awsdns-08.org, ns-1152.awsdns-16.org, ns-911.awsdns-49.net, ns-2026.awsdns-61.co.uk, ns-581.awsdns-08.net, ns-1118.awsdns-11.org, ns-1781.awsdns-30.co.uk and ns-947.awsdns-54.net.

Host names with two IP numbers:

ns-437.awsdns-54.com points to 2600:9000:5301:b500::1 and 205.251.193.181; ns-611.awsdns-12.net points to 2600:9000:5302:6300::1 and 205.251.194.99; ns-1286.awsdns-32.org points to 2600:9000:5305:600::1 and 205.251.197.6; ns-1779.awsdns-30.co.uk points to 2600:9000:5306:f300::1 and 205.251.198.243.

dbq