IPLIST.NET - mail.gsb.columbia.edu

Search for IP or hostnames:

mail.gsb.columbia.edu checked at 2025-11-14T12:57:25.204Z 335ms 75/75/75 100% R:13 allDone:true timedOut:false

`mail.gsb.columbia.edu`

MX	`mail-gsb-columbia-edu.mail.protection.outlook.com`
		A	2a01:111:f403:c902::3 ^{🇺🇸 Microsoft}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::1 ^{🇺🇸 Microsoft}
			PTR	`mail-dm6pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:f807:: ^{🇺🇸 Microsoft}
			PTR	`mail-co1pr05cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::2 ^{🇺🇸 Microsoft}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.40.4^{🇺🇸 Microsoft}
			PTR	`mail-cy5pr03cu00204.inbound.protection.outlook.com`
		A	52.101.41.4^{🇺🇸 Microsoft}
			PTR	`mail-sj2pr05cu00204.inbound.protection.outlook.com`
		A	52.101.41.24^{🇺🇸 Microsoft}
			PTR	`mail-sj0pr03cu01600.inbound.protection.outlook.com`
		A	52.101.42.4^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00104.inbound.protection.outlook.com`
A	128.59.44.55^{🇺🇸 Columbia University}
		PTR	`amistadresource.org`
		PTR	`ccnmtl.columbia.edu`
		PTR	`gsb.columbia.edu`
		PTR	`househousing.buellcenter.columbia.edu`
		PTR	`annualawardsdinner.business.columbia.edu`
		PTR	`manhattanville.business.columbia.edu`
		PTR	`reunion.business.columbia.edu`
		PTR	`womenintech.business.columbia.edu`
		PTR	`miscredirect-prod.cc.columbia.edu`
		PTR	`cbshub.gsb.columbia.edu`
		PTR	`mail.gsb.columbia.edu`
		PTR	`manhattanville.gsb.columbia.edu`
		PTR	`reunion.gsb.columbia.edu`
		PTR	`womenintech.gsb.columbia.edu`

`gsb.columbia.edu`

	NS	`ext-ns1.columbia.edu`
	NS	`auth1.dns.cogentco.com`
	NS	`auth2.dns.cogentco.com`
	NS	`auth4.dns.cogentco.com`
	NS	`auth5.dns.cogentco.com`
	MX	`gsb-columbia-edu.mail.protection.outlook.com`
	A	2002:803b:5402::803b:5402 ^HURRICANE
	A	2002:803b:ac02::803b:ac02 ^HURRICANE
	A	2002:803b:c702::803b:c702 ^HURRICANE
	A	128.59.44.55^{🇺🇸 Columbia University}

PTR for

55.44.59.128.in-addr.arpa

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AI analysis

mail.gsb.columbia.edu points to an IP address: 128.59.44.55.

other host names include manhattanville.gsb.columbia.edu, womenintech.business.columbia.edu, manhattanville.business.columbia.edu, amistadresource.org and annualawardsdinner.business.columbia.edu; they share IP numbers with mail.gsb.columbia.edu.

mail.gsb.columbia.edu is handled by a single mail server, mail-gsb-columbia-edu.mail.protection.outlook.com.

Hostname mail-gsb-columbia-edu.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:c92c::1, 2a01:111:f403:f807::, 2a01:111:f403:f908::2, 52.101.40.4, 52.101.41.4, 52.101.41.24 and 52.101.42.4.

dbq