Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oklahomaspine.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 08:24:07 UTC · ↺ Refresh
MX Hostnames
- oklahomaspine-com.mail.protection.outlook.com
MX Priorities
- oklahomaspine-com.mail.protection.outlook.com: 0
A / AAAA Records
- 192.185.198.212 ↩ 192-185-198-212.unifiedlayer.com
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1773261841 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1773261841
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns1.registrar-servers.com
dns2.registrar-servers.com
SPF Record
✓ Strict (-all)
v=spf1 +a include:spf.protection.outlook.com include:email.freshdesk.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; ri=84600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- 0ed1fe018a65d62ef0168e4c6d87e9726e78a43207
- apple-domain-verification=muL17MmD33VB9TLH
- apple-domain-verification=eIr1txGEvHStugRZpw3yXBREJZ8ZtJ0fCbzAM1Ut8aM
- SPFv=spf1 +a include:spf.protection.outlook.com include:email.freshdesk.com -all
- duo_sso_verification=rVqCN3WdjefhFtyKk8TVYhOxePO6jJ5ctbv3f6kRSzPu9Z50IXed3jo6XNdeW4rb
- atlassian-domain-verification=MABeAZOEPltzmJ5aJ64PtiaNIF2lLpIOFM2p8PHqPmWA8yqlFSB8DBav2uqU4Ubo
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 oklahomaspine.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits