Domain Overview
DNS: ✓ 17h ago
Checker: ✓ 17h ago
redhillaudio.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 18:45:18 UTC · ↺ Refresh
MX Hostnames
- mail.redhillaudio.co.uk
MX Priorities
- mail.redhillaudio.co.uk: 10
A / AAAA Records
- 176.32.230.49 ↩ web305.extendcp.co.uk
Mail Server IPs
- 79.170.40.104 ↩ mail104.extendcp.co.uk
SOA Record
Raw SOA
ns.heartinternet.uk hostmaster.mainnameserver.com 2025011364 10800 600 2419200 3600
Primary NS (mname)
ns.heartinternet.uk
Admin Email (rname)
hostmaster@mainnameserver.com
Serial
2025011364
Refresh
10800s
Retry
600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns.heartinternet.uk
ns2.heartinternet.uk
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
No TXT records found.
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 redhillaudio.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits