Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
med.usc.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 07:16:41 UTC · ↺ Refresh
MX Hostnames
- mx0a-00164701.pphosted.com
- mx0b-00164701.pphosted.com
- mxb-0010f501.gslb.pphosted.com
- mxa-0010f501.gslb.pphosted.com
MX Priorities
- mxa-0010f501.gslb.pphosted.com: 10
- mxb-0010f501.gslb.pphosted.com: 10
- mx0a-00164701.pphosted.com: 50
- mx0b-00164701.pphosted.com: 50
A / AAAA Records
- 207.151.39.83 (no PTR)
- 207.151.39.42 (no PTR)
Mail Server IPs
- 208.84.65.240 ↩ mx0a-0010f501.pphosted.com
- 67.231.152.104 ↩ mx0b-0010f501.pphosted.com
- 67.231.149.15 ↩ mx0a-00164701.pphosted.com
- 67.231.157.15 ↩ mx0b-00164701.pphosted.com
SOA Record
Raw SOA
ns0037.secondary.cloudflare.com root.usc.edu 703874706 3600 1800 360000 3600
Primary NS (mname)
ns0037.secondary.cloudflare.com
Admin Email (rname)
root@usc.edu
Serial
703874706
Refresh
3600s
Retry
1800s
Expire
360000s
Minimum TTL
3600s
Nameservers (NS)
ns0055.secondary.cloudflare.com
ns0191.secondary.cloudflare.com
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
✓ 1 found
s1._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
17 records- openai-domain-verification=dv-eFPFLYxfmzUS4idWC07AONtZ
- google-gws-recovery-domain-verification=58294291
- google-gws-recovery-domain-verification=46424507
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- jamf-site-verification=n2aTTLLiAEdLwOVA8776lw
- google-gws-recovery-domain-verification=46496668
- amazonses:INTR5vJHzZcs88eswAzrkpXXZY+Ddk3M2SSOmh7UIEM=
- amazonses:PvfNiaXuAAT5D2sqVVL/uQ+EXwZaSAlgmHT3cf5hg2w=
- _pki-validation.med.usc.edu=853A-A672-DF08-F0E3-4020-86A1-22ED-02FF
- 1m4s0z8d2x34ry99tslrt4xwjv9kc8rf
- google-site-verification=Fh94IP4BbVRBzFynHFsVMAaeNrfqJ9aOX65aXkrW_vg
- cisco-ci-domain-verification=2f34e9af6d6c74ae50a53d42e04717a5fed90de5dd804217e1d10c1874453273
- NrsDctvLtwhrnbLrfmg3CBNfffhXZxueKHhdkK9HThzUY7e0nqpQoZT9F5QWXilit05nSlP5homN5VeQbMgxkg==
- docusign=8a7f8c9a-ea16-4308-a95b-1d2e7523dd6e
- dtm-domain-verification=sG5neDD_Vqh_PCG8ahF219DFOUc9qinNVgqEJQu-BZg
- openai-domain-verification=dv-RJYKqdt3cIyoFah1MAbts4dv
- apple-domain-verification=1RXVFLckFN1C2kHV
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