Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
b4mind.co.uk
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 18:04:21 UTC · ↺ Refresh
MX Hostnames
- mx.yandex.net
MX Priorities
- mx.yandex.net: 10
A / AAAA Records
- 91.148.168.196 ↩ cloud-0d1db5.managed-vps.net
Mail Server IPs
- 77.88.21.249 ↩ mxfront.stable.qloud-b.yandex.net
- 2a02:6b8::311 ↩ mxfront.stable.qloud-b.yandex.net
SOA Record
Raw SOA
ns1.cloud-0d1db5.managed-vps.net admin.b4mind.co.uk 2025100916 86400 7200 2400000 86400
Primary NS (mname)
ns1.cloud-0d1db5.managed-vps.net
Admin Email (rname)
admin@b4mind.co.uk
Serial
2025100916
Refresh
86400s
Retry
7200s
Expire
2400000s
Minimum TTL
86400s
Nameservers (NS)
ns1.cloud-0d1db5.managed-vps.net
ns2.cloud-0d1db5.managed-vps.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:91.148.168.196 include:_spf.yandex.net ~all
📊 DNS lookups: 3/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +ip4:91.148.168.196 include:_spf.yandex.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 b4mind.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits