Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
yeatheridge.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 03:30:25 UTC · ↺ Refresh
MX Hostnames
- mx1.krystal.io
- mx2.krystal.io
MX Priorities
- mx2.krystal.io: 20
- mx1.krystal.io: 10
A / AAAA Records
- 185.194.90.27 ↩ s90.lon.krystal.io
Mail Server IPs
- 185.53.56.47 ↩ mx2.strikemail.co.uk
- 185.53.56.45 ↩ mx2.strikemail.co.uk
- 185.53.56.44 ↩ mx1.strikemail.co.uk
- 185.53.56.46 ↩ mx1.strikemail.co.uk
SOA Record
Raw SOA
ns1.krystal.io admin.demo.s90.lon.krystal.io 2026040701 3600 1800 1209600 86400
Primary NS (mname)
ns1.krystal.io
Admin Email (rname)
admin@demo.s90.lon.krystal.io
Serial
2026040701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.krystal.io
ns2.krystal.io
ns3.krystal.io
ns4.krystal.io
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:185.194.90.27 include:relay.k.io ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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
2 records- SPFv=spf1 +a +mx +ip4:185.194.90.27 include:relay.k.io ~all
- google-site-verification=mvpnscwrN7N1iJ2FANeE8d4I5_9pxs4Wyl1cO2ELX5Y
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 yeatheridge.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits