Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
york.cuny.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 02:39:11 UTC · ↺ Refresh
MX Hostnames
- mx0a-0002b001.pphosted.com
- mx0b-0002b001.pphosted.com
MX Priorities
- mx0a-0002b001.pphosted.com: 10
- mx0b-0002b001.pphosted.com: 10
A / AAAA Records
- 198.61.16.7 ↩ york.cuny.edu
Mail Server IPs
- 66.159.240.150 ↩ mx0a-0002b001.pphosted.com
- 66.159.238.123 ↩ mx0b-0002b001.pphosted.com
SOA Record
Raw SOA
acme.ucc.cuny.edu hostmaster.acme.ucc.cuny.edu 2024101852 10800 3600 2419200 600
Primary NS (mname)
acme.ucc.cuny.edu
Admin Email (rname)
hostmaster@acme.ucc.cuny.edu
Serial
2024101852
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
600s
Nameservers (NS)
harlem.cis.cuny.edu
ns15.customer.level3.net
ns10.customer.level3.net
lavinia.cis.cuny.edu
ext-ns1.columbia.edu
hudson.cis.cuny.edu
acme.ucc.cuny.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- adobe-idp-site-verification=92211340-8afd-453a-9a7a-0d6c627b9bed
- MS=1A24397634AE74C500E00BD6CFA39B219A0DC021
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