sdsu.edu

Website up
Not on blocklists

Registered on

1986-07-10

Expires on

2027-07-31

Last updated

2026-07-02

Name servers

ns02.sdsu.edu
ns01.sdsu.edu

DNSSEC

Not signed

Visit sdsu.edu

Website

Answer

200 OKin 516 ms

Ends at

https://www.sdsu.edu/

Redirects

https://sdsu.edu/ (301)

Title

Home | San Diego State University

Server

cloudflare

Protocols

HTTP/2, HTTP/3

Certificate

Internet2 (InCommon RSA Server CA 2) for www.sdsu.edu, *.sdsu.edu, sdsu.edu, www.engineering.sdsu.edu and www.foundation.sdsu.edu, valid until 2027-03-11

www

Answers itself (200 OK)

DNS records

104.20.12.66no reverse DNS

TTL 2 min

TTL 8 hours

ns01.sdsu.edu
ns02.sdsu.edu

TTL 8 hours

TXT

00DF00000007EVl=1TBPL00000000Mb
3C509AF01D7CDA303B651585D017ED5D
96150E68E4A243B2A02EA3D554D7AF3470F1533BFA0A006B5656E55D00FCCC03
MS=ms25063800
MS=ms42297913
SFMC-COU69nqBETcp5Bnzw1Rijiv_lFBBlouF9B_Df6eW
adobe-idp-site-verification=7ca634bd-c1d9-49d3-8bcc-1e5f6186040c
adobe-sign-verification=f90b78813ea85a56a64f9271be170251
anthropic-domain-verification-vacpwe=AgOLcr4VHtRfvf0SYCvfNq3M9
apple-domain-verification=3jWSoDf3jpCe5iuw
apple-domain-verification=fzMg6Q3joqoCeUdA
atlassian-domain-verification=QHMkCJr62sGhGLoykU9d7D8hciIv2mPBdrZhG1qx1et9jXtKfeeDa9/eM3EFZY5p
autodesk-domain-verification=BNV4av0GRPwL8bOnmSbw
brevo-code:b1414e0a234265a2faa294058248ae06
dell-technologies-domain-verification=sdsu.edu_99e6fd3a-69c3-4450-8288-4892d5a7d56a_1717347937
e2ma-verification=f7j3
facebook-domain-verification=hflgnpr16afby8q6m8p5m0et5wyfke
google-site-verification=DIYuNpHVWeVmthO3EOB4lgi0CgQBC6WJ-OoeVjbGkFc
jamf-site-verification=1k6X_gIWkA1rgGo0T7mbXQ
openai-domain-verification=dv-DmYzqJwQSQ98fp47vrgmDrg6
pardot238872=1f5b286cc8ef1eec02146f0c3e75bbb496908a00094ac2a87fdc83cfdf795085
pardot886933=7d0a9bfa98bc738378206707cb0710bc9cf6bf5b44b245d86a8e2cfd7afffcf3
read-ai-verification = 0199e52c-d423-712b-8503-05f8291baa17
smartsheet-site-validation=SCVPHKy1F38uD2zjMJDpJxWBry1VhoPG
teamviewer-sso-verification=8e2fd763b26842fbaa077746436dcb2e
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all

TTL 1 hour

SOA

Primary server
ns01.sdsu.edu
Contact
[email protected]
Serial
1595298890
Refresh
2 hours
Retry
30 min
Expire
7 days
Negative TTL
4 hours

TTL 8 hours

CAA

iodefmailto:[email protected]critical
issueamazon.comcritical
issuedigicert.comcritical
issueemsign.comcritical
issuegodaddy.comcritical
issueletsencrypt.orgcritical
issuepki.goog; cansignhttpexchanges=yescritical
issuesectigo.comcritical
issuessl.comcritical
issuewildsectigo.comcritical

TTL 8 hours

www.sdsu.edu

CNAME: www.sdsu.edu.cdn.cloudflare.net; TTL 8 hours
A: 104.20.15.70no reverse DNS
172.66.130.4no reverse DNS; TTL 5 min
AAAA: 2606:4700:10::6814:f46no reverse DNS
2606:4700:10::ac42:8204no reverse DNS; TTL 5 min

_dmarc.sdsu.edu

CNAME: _dmarc.sdsu.edu.dmarc.has.pphosted.com; TTL 8 hours
TXT: v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:[email protected]; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:[email protected];; TTL 1 hour

As 13.77.138.101 answers them

Reputation

Domain blocklists

Spamhaus DBL Not listed
SURBL Not listed
URIBL Not listed

Rankings

10,465 Tranco rank up from 10,531 on 2026-09-21

8.33Open PageRank, out of 10

12,982Open PageRank position

6,423Referring 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: SDSU.EDU

Registrant:
	San Diego State University
	5500 Campanile Drive
	IT Security Office MC 1604
	San Diego, CA 92182-1604
	USA

Administrative Contact:
	Domain Administrator
	San Diego State University
	5500 Campanile Drive
	IT Security Office MC1604
	San Diego, CA 92182
	USA
	+1.6195940142
	[email protected]

Technical Contact:
	Domain Administrator
	San Diego State University
	5500 Campanile Drive
	IT Security Office MC1604
	San Diego, CA 92182
	USA
	+1.6195940142
	[email protected]

Name Servers:
	NS02.SDSU.EDU
	NS01.SDSU.EDU

Domain record activated:    10-Jul-1986
Domain record last updated: 02-Jul-2026
Domain expires:             31-Jul-2027

DNSSEC

sdsu.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

sdsu.edu Not signed

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