Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smithcooper.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 20:56:44 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-1.mimecast.com: 10
- eu-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 104.21.28.69 (no PTR)
- 172.67.144.154 (no PTR)
- 2606:4700:3033::6815:1c45 (no PTR)
- 2606:4700:3034::ac43:909a (no PTR)
Mail Server IPs
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
cortney.ns.cloudflare.com dns.cloudflare.com 2398811437 10000 2400 604800 1800
Primary NS (mname)
cortney.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398811437
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
glen.ns.cloudflare.com
cortney.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_s65piit0e.sdmarc.net
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
k1._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
5 records- SPFv=spf1 redirect=_s65piit0e.sdmarc.net
- 0ed1fe018af9a5991d961e489a90c709846e8261a5
- MS=ms29119757
- kqgqnb2ci4e85mkcpv3qjah3mo
- okpfrir7k69pqn89tvbqr4mi36
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 smithcooper.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits