WWW.RTSAK.COM - appmath.columbia.edu

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appmath.columbia.edu checked at 2025-10-14T23:27:12.405Z 100ms 43/43/43 100% R:12

`appmath.columbia.edu`

MX	`mxa-00364e01.gslb.pphosted.com`
		A	148.163.139.74^{🇺🇸 Proofpoint}
			PTR	`mx0b-00364e01.pphosted.com`
MX	`mxb-00364e01.gslb.pphosted.com`
		A	148.163.135.74^{🇺🇸 Proofpoint}
			PTR	`mx0a-00364e01.pphosted.com`

`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	`mxa-00364e01.gslb.pphosted.com`
	MX	`mxb-00364e01.gslb.pphosted.com`
	NS	`ns1.lse.ac.uk`
	A	162.159.128.65^Cloudflare
	A	162.159.138.64^Cloudflare

rank #271 globally
rank #9 in the tld
This domain name "columbia.edu" is associated with Columbia University, a private Ivy League research university located in New York City. It is used for the university's main website, email addresses, and various online services related to the institution. The ".edu" extension indicates that the domain is primarily used for educational institutions.

Up

silence.appmath.columbia.edu

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AI analysis

silence.appmath.columbia.edu is a child of appmath.columbia.edu.

appmath.columbia.edu is served by two mail servers mxa-00364e01.gslb.pphosted.com and mxb-00364e01.gslb.pphosted.com.

appmath.columbia.edu shares the same mail server setup as other domains, for instance ee.columbia.edu, iserp.columbia.edu, cisl.columbia.edu, music.columbia.edu and caa.columbia.edu.

Host names with a single IP address: mxa-00364e01.gslb.pphosted.com points to 148.163.139.74; mxb-00364e01.gslb.pphosted.com points to 148.163.135.74.

dbq