Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
csi.cuny.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 23:11:50 UTC · ↺ Refresh
MX Hostnames
- mxb-0002b201.gslb.pphosted.com
- mxa-0002b201.gslb.pphosted.com
MX Priorities
- mxa-0002b201.gslb.pphosted.com: 10
- mxb-0002b201.gslb.pphosted.com: 10
A / AAAA Records
- 184.73.245.212 ↩ ec2-184-73-245-212.compute-1.amazonaws.com
Mail Server IPs
- 66.159.240.152 ↩ mx0a-0002b201.pphosted.com
SOA Record
Raw SOA
acme.ucc.cuny.edu hostmaster.acme.ucc.cuny.edu 200804806 10800 3600 2419200 3600
Primary NS (mname)
acme.ucc.cuny.edu
Admin Email (rname)
hostmaster@acme.ucc.cuny.edu
Serial
200804806
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns10.customer.level3.net
harlem.cis.cuny.edu
ns15.customer.level3.net
lavinia.cis.cuny.edu
acme.ucc.cuny.edu
ext-ns1.columbia.edu
hudson.cis.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
✗ 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
✓ 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
7 records- lgqmsjc78jmfmgtiaek9p58fq5
- MS=5FDCC81B1251CE59F52CA34441CD773F6D8834E4
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- 3bl89q0v0fjiu11kuatka11d3a
- 8982cppb1bk0fhg4b8i5sh3ed5
- 7tlfhe3kjlvhpj16e9r7mh98gl
- MS=ms97229766
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