qc.cuny.edu

Valid Email Server
Domain Lookup › qc.cuny.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
qc.cuny.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 02:09:23 UTC · ↺ Refresh

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MX Hostnames

  • mxa-00971001.gslb.pphosted.com
  • mxb-00971001.gslb.pphosted.com

MX Priorities

  • mxb-00971001.gslb.pphosted.com: 10
  • mxa-00971001.gslb.pphosted.com: 10

A / AAAA Records

  • 149.4.99.33 ↩ dotnetproduction.f5.qc.cuny.edu

Mail Server IPs

  • 66.159.240.151 ↩ mx0a-00971001.pphosted.com
  • 66.159.238.124 ↩ mx0b-00971001.pphosted.com

SOA Record

Raw SOA admindc1.qc.ads yan.qc.cuny.edu 2023221539 14400 3600 1814400 7200
Primary NS (mname)
admindc1.qc.ads
Admin Email (rname)
yan@qc.cuny.edu
Serial
2023221539
Refresh
14400s
Retry
3600s
Expire
1814400s
Minimum TTL
7200s

Nameservers (NS)

admindc1.qc.ads
admindc2.qc.ads
dns1.qc.cuny.edu
acme.ucc.cuny.edu
lavinia.cis.cuny.edu
dns2.qc.cuny.edu

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:s1.qc.cuny.edu include:s2.qc.cuny.edu include:s3.qc.cuny.edu include:fsspfus.freshemail.io exists:%{i}._spf.elasticemail.info include:_spfa.askadmissionsmail.com include:_spfb.askadmissionsmail.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

14 records
  • SFMC-84zbZNVWb8hpQ78p9siZ77dNWqrZrNSNPERFPJNZ
  • SPFv=spf1 include:spf.protection.outlook.com include:s1.qc.cuny.edu include:s2.qc.cuny.edu include:s3.qc.cuny.edu include:fsspfus.freshemail.io exists:%{i}._spf.elasticemail.info include:_spfa.askadmissionsmail.com include:_spfb.askadmissionsmail.com -all
  • 4sc8xz848jcs7t123jzz22fyr25z0t90
  • MS=ms15983228
  • ZOOM_verify_uAkN3Yz7TYu6wbwPzgDljw
  • facebook-domain-verification=3criaczbx3psm47s1pnxtzh46r8qf7
  • DMARCv=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
  • mjbbtnxh5bb3djnj0hx1vz05m468rpfq
  • dtbgn8kkmxj5wp2k0msg5yg7gw13yqn9
  • _i4z1knqqmiajaef3soceaad4qzriapc
  • adobe-idp-site-verification=f8f36bf3-bc30-4f71-a762-1a07553b1308
  • kdojo6ro1mbu3li0i3lukbl2nd
  • cvz9r9bglj8915l3y2ty6nqfyyrftgvg
  • MS=ms94165887
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