DNSWHOIS.INFO - mail.gsb.columbia.edu

Search for IP or hostnames:

mail.gsb.columbia.edu checked at 2025-10-22T04:32:26.324Z 143ms 66/66/66 100% R:15

`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:f802::1 ^{🇺🇸 Microsoft}
			PTR	`mail-sj2pr05cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::2 ^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr02cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::1 ^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr02cu00101.inbound.protection.outlook.com`
		A	52.101.10.14^{🇺🇸 Microsoft}
			PTR	`mail-bn6pr04cu00206.inbound.protection.outlook.com`
		A	52.101.11.9^{🇺🇸 Microsoft}
			PTR	`mail-sn1pr02cu00101.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft}
			PTR	`mail-sa9pr04cu00203.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	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 resolves to a single IP: 128.59.44.55.

Other host names, for instance manhattanville.gsb.columbia.edu, womenintech.business.columbia.edu, manhattanville.business.columbia.edu, amistadresource.org and annualawardsdinner.business.columbia.edu 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.

Host mail-gsb-columbia-edu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::3, 2a01:111:f403:f802::1, 2a01:111:f403:f901::2, 2a01:111:f403:f902::1, 52.101.10.14, 52.101.11.9, 52.101.11.17 and 52.101.11.19.

dbq