courtyarddental.net

Valid Email Server
Domain Lookup › courtyarddental.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
courtyarddental.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 09:12:57 UTC · ↺ Refresh

MX Hostnames

  • fortimail.portmandental.co.uk

MX Priorities

  • fortimail.portmandental.co.uk: 10

A / AAAA Records

  • 104.21.41.68 (no PTR)
  • 172.67.189.198 (no PTR)
  • 2606:4700:3037::6815:2944 (no PTR)
  • 2606:4700:3034::ac43:bdc6 (no PTR)

Mail Server IPs

  • 77.221.185.10 ↩ ip-77-221-185-10.dsl.twang.net

SOA Record

Raw SOA ken.ns.cloudflare.com dns.cloudflare.com 2398627132 10000 2400 604800 1800
Primary NS (mname)
ken.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398627132
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ken.ns.cloudflare.com
kim.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms74559490
  • MS=ms91061179
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 courtyarddental.net

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits