Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
k2l.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 12:02:43 UTC · ↺ Refresh
MX Hostnames
- k2l-co-uk.mail.protection.outlook.com
- webmail.k2l.co.uk
MX Priorities
- k2l-co-uk.mail.protection.outlook.com: 0
- webmail.k2l.co.uk: 10
A / AAAA Records
- 45.157.42.236 ↩ server.k2l.co.uk
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.ukfast.net support.ukfast.co.uk 2026030901 7200 3600 604800 300
Primary NS (mname)
ns0.ukfast.net
Admin Email (rname)
support@ukfast.co.uk
Serial
2026030901
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns0.ukfast.net
ns1.ukfast.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.createsend.com mx a ip4:45.157.42.236 ip4:185.108.171.162 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
2 records- SPFv=spf1 include:_spf.createsend.com mx a ip4:45.157.42.236 ip4:185.108.171.162 include:spf.protection.outlook.com -all
- google-site-verification=qFVpWOEuR-I3RKDVijahnWcuYpcomrMD48X7I8bQM7I
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 k2l.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits