Domain Intelligence Report

sdsu.edu

Full ownership history report — $29 at AboutUsCompare
Gathering intelligence... (11/12)
DNS
WHOIS
Security
Email
DNSSEC
Threats
Deliverability
SSL/TLS
HTTP
Tech Stack
Subdomains
Archive
Outline
DNS
1 A · 2 MX · 2 NS · 10 CAA · 1 SOA · 25 TXT
SSL/TLS
Internet2 · TLSv1.3 · expires in 155d · 5 SANs
Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
DNSSEC
not signed
Tech Stack
Host: Cloudflare · Email: Proofpoint · Cloudflare
HTTP
2 redirect → 200 · HSTS ✗ · CSP ✓ · X-Frame ✗ · Nosniff ✗
Security
B (155/205) · 1 critical · 1 high
Threats
risk: medium
Deliverability
A (93/100) · 2 MX · 2 IPs · 2 issue(s)
Subdomains
4 found · 112 answered — email, mobile, www, www2
Web Archive
no snapshots found
DNS Recordschecked 26.7d ago
Details
1 A · 2 MX · 2 NS · 10 CAA · 1 SOA · 25 TXT
WHOIS
Then vs Nownew
Details
Same organisation as in 2013.
“SDSU.edu Official website of The San Diego State University” — AboutUs, 2013
Now: Education or reference · actively maintained
AI-judged Sep 30, 2026: likely, not verified
SSL/TLSchecked 26.7d ago
Details
Valid certificate
Issuer: Internet2
Protocol: TLSv1.3
Expires in 155 days
5 SAN(s)
Securitychecked 26.7d ago
Details
B
155/205
1 critical1 high
Weakest: Basic Security, Record Security
Email Authchecked 26.7d ago
Details
SPFDKIMDMARC
Policy: none
DNSSECchecked 26.7d ago
Details
Not DNSSEC-signed
Tech Stackchecked 26.7d ago
Details
CloudflareCloudflareEmail: ProofpointGoogle Search ConsoleFacebook Domain VerificationApple BusinessAtlassian
HTTP / Headerschecked 26.7d ago
Details
2 redirect(s) → 200
HSTSCSPX-FrameNosniff
Threatschecked 26.7d ago
Details
Risk: medium · score 0.6999999999999998
Zone census
Subdomainschecked 26.7d ago
Details
4 found · 112 answered
Click a subdomain for its full report
Web Archivechecked 26.7d ago
Details
No archive snapshots found
Deliverabilitychecked 26.7d ago
Details
A
93/100 · 2 issue(s)
2 MX · 2 IP(s)
Top fix: DMARC policy is none (monitor only)

IPv6

Measured 2026-11-02 18:38 UTC · aaaa.bot
D

The website has no IPv6.

sdsu.edu has no IPv6 address published.

  • ✗ sdsu.edu: no IPv6 address
  • ✓ www.sdsu.edu answers (2 of 2)
  • ✗ Mail: 0 of 2 servers have IPv6
  • ✗ Nameservers: none have IPv6
Details: published addresses and what answered
sdsu.eduPublishedno IPv6 address publishedAnswers when we connectnothing to test
www.sdsu.eduPublished2606:4700:10::6814:f462606:4700:10::ac42:8204Answers when we connect✓ answers on 443✓ answers on 443
MailPublishedmxa-009b9c01.gslb.pphosted.commxb-009b9c01.gslb.pphosted.comAnswers when we connect✗ no IPv6✗ no IPv6
NameserversPublishedns01.sdsu.eduns02.sdsu.eduAnswers when we connect✗ no IPv6✗ no IPv6
First measured 2026-11-02: no IPv6 publishedIf this changes, the date will appear here.

Lineage

Our records: Jan 4, 2009 → Nov 2, 2026

Oldest registry snapshot we hold: 2025 · 0 renewals on record. These dates are when our records begin, not when the domain was registered.

DNS provider

  • sdsu.edu + ucsd.edu
    Jan 2009 – Jul 2020
  • sdsu.edu
    Aug 2020 – Jun 2026

IPv6

  • IPv6no IPv6 published
    First measured Nov 2026
What changed
  1. IPv6 first measured: no IPv6 published on Nov 2, 2026sdsu.edu: no IPv6 published. Grade D. Measured by aaaa.bot, 2026-11-02 00:10 UTC. No earlier IPv6 record is held, so this is not a "gained" date.
  2. DNS moved to sdsu.edu between Jul 28, 2020 and Aug 22, 2020dogbert.sdsu.edu, munga.sdsu.edu, ns1.ucsd.edu → munga.sdsu.edu, ns01.sdsu.edu, ns02.sdsu.edu. Old set last seen in WHOIS on 2020-07-28; new set first seen in WHOIS on 2020-08-22.
  3. New nameservers at sdsu.edu + ucsd.edu between Jun 12, 2016 and May 16, 2017munga.sdsu.edu, ns1.ucsd.edu, vortex.sdsu.edu → dogbert.sdsu.edu, munga.sdsu.edu, ns1.ucsd.edu. Old set last seen in WHOIS on 2016-06-12; new set first seen in WHOIS on 2017-05-16.
  4. New nameservers at sdsu.edu + ucsd.edu between Jun 16, 2010 and Aug 19, 2010ns1.ucsd.edu, sdsu.edu → munga.sdsu.edu, ns1.ucsd.edu, vortex.sdsu.edu. Old set last seen in WHOIS on 2010-06-16; new set first seen in WHOIS on 2010-08-19.

Solid bar: the stretch we observed that name. Dot: a single sighting. Dotted line: no record between sightings of the same name. Nothing is drawn between different names.

Registrar and renewals: 10 WHOIS/RDAP snapshots, 2025-02-06 to 2025-04-26 (ledger built 2026-09-27). Every renewal

DNS provider, WHOIS snapshots: 275 WHOIS/RDAP snapshots that listed nameservers, 2009-01-04 to 2026-06-15 (who.is archive). Both sources feed one row per provider (hover a bar to see which); a change is placed between the nearest observations on either side, and where the two sources disagree, both are listed under What changed.

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