csulb.edu

Website up
Not on blocklists

Registered on

1989-10-19

Expires on

2027-07-31

Last updated

2026-07-01

Name servers

ns5.cenic.org
nsz1.csulb.edu
ns4.cenic.org
ns6.cenic.org
ns3.csulb.edu

DNSSEC

Not signed

Visit csulb.edu

Website

Answer

200 OKin 718 ms

Ends at

https://www.csulb.edu

Redirects

https://csulb.edu/ (301)

Title

California State University, Long Beach

Protocols

HTTP/2

Certificate

Internet2 (InCommon Intermediate CA - DVG2C) for web.csulb.edu, careers.csulb.edu, cota.csulb.edu, mail.csulb.edu, homeweb.csulb.edu and beachmail.csulb.edu, valid until 2027-02-21

www

Answers itself (200 OK)

DNS records

134.139.19.21rh9-web.csulb.edu

TTL 1 hour

10csulb-edu.mail.protection.outlook.com

TTL 5 min

ns.csulb.edu
ns1.csulb.edu
ns3.csulb.edu
ns4.cenic.org
ns5.cenic.org
ns6.cenic.org
nsz1.csulb.edu

TTL 8 hours

TXT

BC1FAE7339953A07FDF78D7DA530B085
DcPmKt2FsDwyhRn1IjaAiV530+9ViRA/SW9jv43Zd/lVq0ECnjxHfU5SE+7/vfuukpBU+3YA2x+0eeZQH1qkXg==
MS=ms30245482
TzHDVhV5vRWU1vsZBn7db0v/LGZsYPuBipAiFFpi9sN5lIUWo6O1bZXgVi6l/pa27tOA4Du/vMccHrGczAnDkg==
anthropic-domain-verification-17hyep=SSyyGQ7EaZpdtZx3dMAQQtBKb
docusign=2346fb75-e80d-43e9-8699-3d3029c2eeba
docusign=e61a12a7-5ac3-4f45-b57f-29216be06e38
google-site-verification=xFz2M3PnLk1C_k4grzSdpJEyjvgXHw5Cf32n_AD_9vM
sending_domain318521=236ac8d993106edf9f9ab2d6ef8fbe4fa41f018457dcf7f17130a1a0f6718dc4
v=spf1 ip4:137.145.0.0/16 ip4:35.80.141.6 ip4:44.229.121.55 ip4:148.59.100.16/28 ip4:208.75.120.0/22 ip4:64.72.147.142 ip4:64.74.237.230/31 ip4:216.147.212.20/30 include:spf.protection.outlook.com include:spf1.formassembly.com include:_spf1.csulb.edu ~all

TTL 5 min

SOA

Primary server
nsz1.csulb.edu
Contact
[email protected]
Serial
21824
Refresh
3 hours
Retry
1 hour
Expire
28 days
Negative TTL
15 min

TTL 8 hours

CAA

None: any certificate authority may issue for this name

www.csulb.edu

CNAME: a1533.b.akamai.net
csulb.edgesuite.net; TTL 8 hours
A: 23.53.32.200a23-53-32-200.deploy.static.akamaitechnologies.com
23.53.32.219a23-53-32-219.deploy.static.akamaitechnologies.com; TTL 57 s

_dmarc.csulb.edu

TXT: v=DMARC1; p=quarantine; rua=mailto:7vgbdni5@ag.us.dmarcian.com;; TTL 8 hours

As nsz1.csulb.edu answers them

Reputation

Domain blocklists

Spamhaus DBL Not listed
SURBL Not listed
URIBL Not listed

Rankings

20,343 Tranco rank up from 21,330 on 2026-09-21

7.92Open PageRank, out of 10

25,019Open PageRank position

3,012Referring domains

From Tranco and Open PageRank

WHOIS

This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.

The EDUCAUSE Whois database is authoritative for the
.EDU domain.

A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu

By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail.  The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.

-------------------------------------------------------------

Domain Name: CSULB.EDU

Registrant:
	California State University, Long Beach
	1250 N. Bellflower Blvd.
	Long Beach, CA 90840
	USA

Administrative Contact:
	Domain Admin
	California State University, Long Beach
	1250 N. Bellflower Blvd.
	Long Beach, CA 90840
	USA
	+1.5629854111
	[email protected]

Technical Contact:
	Domain Admin
	California State University, Long Beach
	1250 N. Bellflower Blvd.
	Long Beach, CA 90840
	USA
	+1.5629854111
	[email protected]

Name Servers:
	NS5.CENIC.ORG
	NSZ1.CSULB.EDU
	NS4.CENIC.ORG
	NS6.CENIC.ORG
	NS3.CSULB.EDU

Domain record activated:    19-Oct-1989
Domain record last updated: 01-Jul-2026
Domain expires:             31-Jul-2027

DNSSEC

csulb.edu is not signed.

. Verified

Found 3 DNSKEY records for .
DS=20326/SHA-256 verifies DNSKEY=20326/SEP
DS=38696/SHA-256 verifies DNSKEY=38696/SEP
Found 1 RRSIGs over DNSKEY RRset
RRSIG=38696 and DNSKEY=38696/SEP verifies the DNSKEY RRset

edu Verified

Found 1 DS records for edu in the . zone
DS=35663/SHA-256 has algorithm ECDSAP256SHA256
Found 1 RRSIGs over DS RRset
RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
Found 2 DNSKEY records for edu
DS=35663/SHA-256 verifies DNSKEY=35663/SEP
Found 1 RRSIGs over DNSKEY RRset
RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset

csulb.edu Not signed

No DS records found for csulb.edu in the edu zone