Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
saintthomasdoctors.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 07:37:01 UTC · ↺ Refresh
MX Hostnames
- saintthomasdoctors.com
MX Priorities
- saintthomasdoctors.com: 0
A / AAAA Records
- 72.52.134.198 (no PTR)
Mail Server IPs
- 72.52.134.198 (no PTR)
SOA Record
Raw SOA
ns1.ascensionhealth.org hostmaster.ds.sjhs.com 27 14400 1800 2592000 120
Primary NS (mname)
ns1.ascensionhealth.org
Admin Email (rname)
hostmaster@ds.sjhs.com
Serial
27
Refresh
14400s
Retry
1800s
Expire
2592000s
Minimum TTL
120s
Nameservers (NS)
ns1.ascensionhealth.org
ns2.ascensionhealth.org
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- DMARCv=DMARC1; p=quarantine;
- globalsign-domain-verification=taQD4YFpaa2hGdWFZCCHRFYC4IwgGwSUSX64IHXGwO
- SPFv=spf1 a mx ~all
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 saintthomasdoctors.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits