Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
mallardgrange.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 01:46:14 UTC · ↺ Refresh
MX Hostnames
- nl1-tr3.supercp.com
- nl1-tr3.supercp.com
MX Priorities
- nl1-tr3.supercp.com: 10
- nl1-tr3.supercp.com: 0
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 185.146.22.242 ↩ nl1-tr3.supercp.com
SOA Record
Raw SOA
ns31.domaincontrol.com dns.jomax.net 2024030600 28800 7200 604800 600
Primary NS (mname)
ns31.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024030600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns31.domaincontrol.com
ns32.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 +mx +a +ip4:185.146.22.242 +include:spf.supercp.com +include:secureserver.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +mx +a +ip4:185.146.22.242 +include:spf.supercp.com +include:secureserver.net -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 mallardgrange.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits