WWW.ROBTEX.COM - lib.umd.umich.edu

Search for IP or hostnames:

lib.umd.umich.edu checked at 2025-09-23T17:51:10.748Z 188ms 112/112/112 100% R:13

`lib.umd.umich.edu`

NS	`dns3.umich.org`
		A	18.225.0.3^{🇺🇸 Amazon}
			PTR	`ec2-18-225-0-3.us-east-2.compute.amazonaws.com`
NS	`cffw1.dns.umich.com`
		A	192.12.80.214^{🇺🇸 UMICH-ASN1}
			PTR	`ns-bin-arbl-1-2022.umnet.umich.edu`
NS	`dns1.itd.umich.edu`
		A	2607:f018:fffd:53::2^{🇺🇸 UMICH-ASN1}
			PTR	`ns-bin-arbl-1-2022.umnet.umich.edu`
		A	192.12.80.214^{🇺🇸 UMICH-ASN1}
			PTR	`ns-bin-arbl-1-2022.umnet.umich.edu`
NS	`dns2.itd.umich.edu`
		A	2607:f018:fffd:53::12^{🇺🇸 UMICH-ASN1}
			PTR	`ns-bin-seb-1-2022.umnet.umich.edu`
		A	192.12.80.222^{🇺🇸 UMICH-ASN1}
			PTR	`ns-bin-seb-1-2022.umnet.umich.edu`
NS	`cffw2.dns.umich.net`
		A	192.12.80.222^{🇺🇸 UMICH-ASN1}
			PTR	`ns-bin-seb-1-2022.umnet.umich.edu`

`umd.umich.edu`

	NS	`ns0125.secondary.cloudflare.com`
	NS	`ns0153.secondary.cloudflare.com`
	MX	`mx1.a.mail.umich.edu`
	MX	`mx2.a.mail.umich.edu`
	A	141.215.69.24^{🇺🇸 UMICH-AS62676}

Up

devg.lib.umd.umich.edu

phom.lib.umd.umich.edu

Starts with same word

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Starts similarily

lib.ks.ua

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lbi.k12.nj.us

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bli.la

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ibl.de

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AI analysis

lib.umd.umich.edu is parent of devg.lib.umd.umich.edu and phom.lib.umd.umich.edu.

lib.umd.umich.edu is delegated to five name servers: dns3.umich.org, cffw1.dns.umich.com, dns1.itd.umich.edu, dns2.itd.umich.edu and cffw2.dns.umich.net.

lib.umd.umich.edu at least partially shares its name servers with other domains, for instance 89.194.67.in-addr.arpa, 69.215.141.in-addr.arpa, 238.213.141.in-addr.arpa, umnet.umich.edu and travelsafer.org.

These name servers are commonly used alongside dns4.umich.org and ext-ns1.columbia.edu.

Two IPs for some host names:

The host name dns1.itd.umich.edu points to: 2607:f018:fffd:53::2 and 192.12.80.214.

The host name dns2.itd.umich.edu points to: 2607:f018:fffd:53::12 and 192.12.80.222.

Single IP for others:

The host name dns3.umich.org points to: 18.225.0.3.

The host name cffw1.dns.umich.com points to: 192.12.80.214.

The host name cffw2.dns.umich.net points to: 192.12.80.222.

Names pointing to 192.12.80.214: dns1.itd.umich.edu and cffw1.dns.umich.com.

Names pointing to 192.12.80.222: dns2.itd.umich.edu and cffw2.dns.umich.net.

dbq