CF1757658031240-tsm20250911190711

WWW.ROBTEX.COM - csulb.edu

Search for IP or hostnames:

csulb.edu checked at 2025-09-12T06:20:31.223Z 2300ms 247/247/247 100% R:21

csulb.edu

NSns1.csulb.edu
A2607:f380:a54:ff04::53🇺🇸 CENIC / CalREN AS2152
A134.139.19.5🇺🇸 CENIC / CalREN AS2152
PTRns1.csulb.edu
PTRns2.csulb.edu
PTRns.csulb.edu
NSns3.csulb.edu
A2607:f380:a54:ff04::21🇺🇸 CENIC / CalREN AS2152
A134.139.19.5🇺🇸 CENIC / CalREN AS2152
PTRns1.csulb.edu
PTRns2.csulb.edu
PTRns.csulb.edu
A134.139.19.53🇺🇸 CENIC / CalREN AS2152
PTRns3.csulb.edu
NSns.csulb.edu
A2607:f380:a54:ff04::53🇺🇸 CENIC / CalREN AS2152
A134.139.19.5🇺🇸 CENIC / CalREN AS2152
PTRns1.csulb.edu
PTRns2.csulb.edu
PTRns.csulb.edu
NSnsz1.csulb.edu
A2607:f380:a54:ff12::53🇺🇸 CENIC / CalREN AS2152
A134.139.50.171🇺🇸 CENIC / CalREN AS2152
PTRnsz1.csulb.edu
NSns4.cenic.org
A137.164.29.67🇺🇸 CENIC / CalREN AS2152
PTRns4-1-svc.cenic.org
PTRns4.cenic.org
NSns5.cenic.org
A137.164.29.69🇺🇸 CENIC / CalREN AS2152
PTRns5.cenic.org
NSns6.cenic.org
A198.188.255.193🇺🇸 CENIC / CalREN AS2152
PTRns6.cenic.org
MXcsulb-edu.mail.protection.outlook.com
A2a01:111:f403:c903::1🇺🇸 Microsoft
PTRmail-mw2pr02cu00301.inbound.protection.outlook.com
A2a01:111:f403:f805::1🇺🇸 Microsoft
PTRmail-co1pr03cu00301.inbound.protection.outlook.com
A2a01:111:f403:f907::1🇺🇸 Microsoft
PTRmail-dm1pr04cu00201.inbound.protection.outlook.com
A2a01:111:f403:f90d::🇺🇸 Microsoft
PTRmail-sn1pr0501cu00200.inbound.protection.outlook.com
A52.101.9.12🇺🇸 Microsoft
PTRmail-bl0pr05cu00504.inbound.protection.outlook.com
A52.101.10.6🇺🇸 Microsoft
PTRmail-bn1pr21cu00106.inbound.protection.outlook.com
A52.101.10.16🇺🇸 Microsoft
PTRmail-bn6pr21cu00500.inbound.protection.outlook.com
A52.101.41.54🇺🇸 Microsoft
PTRmail-sj2pr05cu00506.inbound.protection.outlook.com
A134.139.19.21🇺🇸 CENIC / CalREN AS2152
PTRrh9-web.csulb.edu

edu

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rank #4965 globally
rank #202 in the tld

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AI analysis

Host names sites.csulb.edu, cpace.csulb.edu, mail.csulb.edu, cla.csulb.edu, calvip.csulb.edu and several others have csulb.edu as their parent.

IP number 134.139.19.21 is pointed to by csulb.edu.

The IP numbers for csulb.edu are also shared with other host names such as rh9-web.csulb.edu and careers.csulb.edu.

Seven name servers, ns1.csulb.edu, ns3.csulb.edu, ns.csulb.edu, nsz1.csulb.edu, ns4.cenic.org, ns5.cenic.org, and ns6.cenic.org, are delegated to csulb.edu.

The name servers of csulb.edu are at least partially shared with other domains such as pacificwave.net, cpace.csulb.edu, cuesta.org, nat.mcoe.org, and slofocus.net.

The nameservers larry.calpoly.edu, moe.calpoly.edu, dns2.kings.k12.ca.us, ns1.merced.k12.ca.us, ns2.merced.k12.ca.us, dns.kings.k12.ca.us, dns.tuolcoe.k12.ca.us, ns1.slocoe.org, ns.slocoe.org, and ns.kings.k12.ca.us are frequently utilized in conjunction.

ns1.csulb.edu points to two IP numbers: 2607:f380:a54:ff04::53 and 134.139.19.5. ns3.csulb.edu points to three IP numbers: 2607:f380:a54:ff04::21, 134.139.19.5, and 134.139.19.53. ns.csulb.edu points to two IP numbers: 2607:f380:a54:ff04::53 and 134.139.19.5. nsz1.csulb.edu points to two IP numbers: 2607:f380:a54:ff12::53 and 134.139.50.171. ns4.cenic.org points to one IP number: 137.164.29.67. ns5.cenic.org points to one IP number: 137.164.29.69. ns6.cenic.org points to one IP number: 198.188.255.193.

The mail server, csulb-edu.mail.protection.outlook.com, manages csulb.edu.

csulb-edu.mail.protection.outlook.com points to the following eight IP numbers: 2a01:111:f403:c903::1, 2a01:111:f403:f805::1, 2a01:111:f403:f907::1, 2a01:111:f403:f90d::, 52.101.9.12, 52.101.10.6, 52.101.10.16, and 52.101.41.54.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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