Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cddmedical.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 10:24:31 UTC · ↺ Refresh
MX Hostnames
- mx0a-00266502.pphosted.com
- mx0b-00266502.pphosted.com
MX Priorities
- mx0b-00266502.pphosted.com: 10
- mx0a-00266502.pphosted.com: 10
A / AAAA Records
- 104.18.31.187 (no PTR)
- 104.18.30.187 (no PTR)
Mail Server IPs
- 148.163.154.235 ↩ mx0b-00266502.pphosted.com
- 148.163.151.35 ↩ mx0a-00266502.pphosted.com
SOA Record
Raw SOA
dns3.labcorp.com internetdomainadmin.labcorp.com 2025092424 28800 7200 604800 3600
Primary NS (mname)
dns3.labcorp.com
Admin Email (rname)
internetdomainadmin@labcorp.com
Serial
2025092424
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns4.labcorp.com
dns3.labcorp.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
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- MS=ms62387560
- MS=ms58231859
- _jnnpsoij6yowp6vpkyohdrg01y6t33k
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cddmedical.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits