WWW.RTSAK.COM - lib.de.us

Search for IP or hostnames:

lib.de.us checked at 2025-09-09T00:34:24.435Z 333ms 89/89/89 100% R:15

`lib.de.us`

NS	`ns01.delaware.gov`
		A	167.21.64.10^{🇺🇸 STATEOFDE}
			PTR	`ns01.delaware.gov`
NS	`ns02.delaware.gov`
		A	167.21.96.10^{🇺🇸 STATEOFDE}
			PTR	`ns02.delaware.gov`
MX	`lib-de-us.mail.protection.outlook.com`
		A	2a01:111:f403:c901::1 ^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::4 ^{🇺🇸 Microsoft}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::3 ^{🇺🇸 Microsoft}
			PTR	`mail-sj0pr03cu01403.inbound.protection.outlook.com`
		A	2a01:111:f403:f90a:: ^{🇺🇸 Microsoft}
			PTR	`mail-bn6pr02cu00300.inbound.protection.outlook.com`
		A	52.101.9.24^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr02cu00400.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft}
			PTR	`mail-sj0pr03cu01702.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
		A	52.101.194.13^{🇺🇸 Microsoft}
			PTR	`mail-ch0pr04cu00605.inbound.protection.outlook.com`
A	167.21.84.78^{🇺🇸 STATEOFDE}
		PTR	`ssomaintenance.delaware.gov`

`de.us`

rank #11718 globally
rank #58 in the tld
PASS

Up
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AI analysis

Host names ilsapp.lib.de.us, listserv.lib.de.us, services.lib.de.us, guides.lib.de.us, blogs.lib.de.us and several others have lib.de.us as their parent.

IP number 167.21.84.78 is pointed to by lib.de.us.

IP numbers are shared between lib.de.us and other host names such as www.sussexlibraries.org, ssomaintenance.delaware.gov, and sussexlibraries.org.

Two name servers, ns01.delaware.gov and ns02.delaware.gov, are the delegation for lib.de.us.

The name server setup of lib.de.us is shared with other domains such as lakeforest.k12.de.us, townsend.delaware.gov, deltrac.net, delcode.state.de.us, and lottery.state.de.us.

ns01.delaware.gov and ns02.delaware.gov both point to individual IP numbers: 167.21.64.10 and 167.21.96.10 respectively.

The mail server, lib-de-us.mail.protection.outlook.com, manages lib.de.us.

lib-de-us.mail.protection.outlook.com points to the following eight IP numbers: 2a01:111:f403:c901::1, 2a01:111:f403:c92c::4, 2a01:111:f403:f802::3, 2a01:111:f403:f90a::, 52.101.9.24, 52.101.41.26, 52.101.42.18, and 52.101.194.13.

dbq