Domain lookup
cuny.edu
Hosted by City University of New York (AS31822) in United States · Tranco rank #3,410 · 🇫🇷 Top 500K in France
Hosting
128.228.254.200AS31822 City University of New York · 🇺🇸 United States · Clean
Technologies
PlatformWordPress
Web servernginx
ProtocolTLS 1.2
Security headersHSTS CSP Frame protection nosniff Referrer-Policy
SourceHome page probe · 4 Oct 2026 · statistics · about this probe
DNS records
Name serversacme.ucc.cuny.edu
ext-ns1.columbia.edu
harlem.cis.cuny.edu
hudson.cis.cuny.edu
lavinia.cis.cuny.edu
ns3.level3.net
ns4.level3.net
ext-ns1.columbia.edu
harlem.cis.cuny.edu
hudson.cis.cuny.edu
lavinia.cis.cuny.edu
ns3.level3.net
ns4.level3.net
Mail serversProofpoint
10 mxa-00011d01.gslb.pphosted.com
10 mxb-00011d01.gslb.pphosted.com
10 mxa-00011d01.gslb.pphosted.com
10 mxb-00011d01.gslb.pphosted.com
SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
DMARCv=DMARC1;p=reject;rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:Post.Master@cuny.edu;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:Post.Master@cuny.edu;fo=1;sp=none
From our weekly resolution of the Tranco top 1M (last run 2026-10-03). JSON: /domain/cuny.edu?format=json