usc.edu

Website up
Not on blocklists

Registered on

1985-08-20

Expires on

2027-07-31

Last updated

2026-07-09

Name servers

DNSSEC

Not signed

Visit usc.edu

Website

Answer: 200 OKin 90 ms
Title: University of Southern California
Server: nginx
Protocols: HTTP/2
Certificate: Let's Encrypt (YR2) for about.usc.edu, emergency.usc.edu, usc.edu, visit.usc.edu and www.usc.edu, valid until 2027-01-12
www: Answers itself (200 OK)

DNS records

23.185.0.3no reverse DNS

TTL 10 s

AAAA

2620:12a:8000::3no reverse DNS
2620:12a:8001::3no reverse DNS

TTL 10 s

TTL 10 min

TTL 1 day

TXT

3b3ivpda2f10se3nn7olfrfucj
71MB6F28FTH9N79MPH1TN49H6E
D14214D894D2922F41249F24F96E2A3F
MS=ms20859340
SFMC-amtHrwXeF3C5rm2Ha9E3H_dpDHSLFtemkbvrt-wI
amazonses:pdFwTbWzxT9aEG1QWjQIN1JQ2Nde7PSWZbDNYgLiJII=
anthropic-domain-verification-x7watn=4dSAzk3nah83WVRJd29J5M2H5
apple-domain-verification=f8jvjXpxkZuZImoG
apple-domain-verification=r8UAnaLgMQbbCPYH
asv=1147b35e22e2230f3e7ed7ef96d0b3cb
atlassian-domain-verification=kSvetIKe/diM5FGbD37dFnvsdAGwPgNFtgM/1L2RoLFZeXaHp85HV/7TZ2PwsyX3
atlassian-domain-verification=oLsWbvIwAA0zKHIxnOG4nKuc6JJRY91TD/04xw1nbNohMNkiiBfaTxs8ZeneC4f6
b121225d-7ecf-4ab1-9a6c-0498793bc091
box-domain-verification=3430746f12c99e884185c424a68a8074130e28056a6c457bbe05730d945ed270
brevo-code:c8ebd56e46efa8226729d35478a57103
cisco-ci-domain-verification=4c96d65a1a9921efe23d594af51d2534c089b7ac61d461b7a98cee05286f7030
docusign=0e8d546c-c2fe-412d-be88-b3c7fc36e4e9
docusign=b64b37c7-7a9d-4b6d-9093-07e862bada10
dropbox-domain-verification=q9fk5cnf7e8z
e2ma-verification=31b
e2ma-verification=5gfgb
e2ma-verification=f2fgb
e2ma-verification=jafgb
e2ma-verification=t5egb
e2ma-verification=vffgb
ecee88b3-e854-43c4-936d-f88a3eabc95a
google-site-verification=2Z-mrJy4KQmEzVpdrZOonGhzDjNR6vC44p-NG6ks0Bw
google-site-verification=7jISKLgSY6Xj9zt1ZjvoVsHZvOMpGjgzih8xn6sDoXA
google-site-verification=nojeOyc6lI8uv7PtvYD47Elxa4EAw8unfUWjovYIfOQ
hpe-greenlake-domain-verification=4d42657379582d505849316c4355583579776d497658643764525a6372344334
openai-domain-verification=dv-fHYmgZvRjNESMGRQcU8v87pq
openai-domain-verification=dv-kGyAmC7lEvaog16maM510wic
pardot_137301_*=10c850f0ce73fd1f680c3edc78532b93f96e586561ff743a37eec44f63731125
pardot_137301_*=65e54b29681de123cb44a1079735eb760ede531320b27768f921b2fe7a59efa0
smartsheet-site-validation=TU0OtXimEUDMJsaPh9y4LAbl10IbwvYq
teamviewer-sso-verification=65d375c2d6374c5a991d77de3d1949a0
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all

TTL 1 hour

SOA

Primary server
ns0037.secondary.cloudflare.com
Contact
[email protected]
Serial
703878092
Refresh
1 hour
Retry
30 min
Expire
4 days
Negative TTL
1 hour

TTL 1 hour

CAA

None: any certificate authority may issue for this name

www.usc.edu

A: 23.185.0.3no reverse DNS; TTL 10 min
AAAA: 2620:12a:8000::3no reverse DNS
2620:12a:8001::3no reverse DNS; TTL 10 min

_dmarc.usc.edu

TXT: v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com; TTL 1 hour

As ns0163.secondary.cloudflare.com answers them

Reputation

Domain blocklists

Spamhaus DBL Not listed
SURBL Not listed
URIBL Not listed

Rankings

8.90Open PageRank, out of 10

1,273Open PageRank position

25,985Referring domains

From 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: USC.EDU

Registrant:
	University of Southern California
	3434 South Grand Avenue
	Information Technology Services
	Los Angeles, CA 90089-2812
	USA

Administrative Contact:
	Domain Admin
	University of Southern California
	3434 South Grand Avenue
	Information Technology Services
	Los Angeles, CA 90089-2812
	USA
	+1.2137402693
	[email protected]

Technical Contact:
	USC Hostmaster
	University of Southern California
	3434 South Grand Avenue
	Information Technology Services - CAL 3rd Floor
	Los Angeles, CA 90089-2812
	USA
	+1.2137405555
	[email protected]

Name Servers:
	NS0163.SECONDARY.CLOUDFLARE.COM
	NS0037.SECONDARY.CLOUDFLARE.COM

Domain record activated:    20-Aug-1985
Domain record last updated: 09-Jul-2026
Domain expires:             31-Jul-2027

DNSSEC

usc.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

usc.edu Not signed

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