Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
slcopy.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 03:43:48 UTC · ↺ Refresh
MX Hostnames
- mail.slcopy.co.uk
MX Priorities
- mail.slcopy.co.uk: 10
A / AAAA Records
- 79.170.44.141 ↩ web141.extendcp.co.uk
Mail Server IPs
- 79.170.44.129 ↩ mail129.extendcp.co.uk
SOA Record
Raw SOA
ns.mainnameserver.com hostmaster.mainnameserver.com 2025010955 10800 600 2419200 3600
Primary NS (mname)
ns.mainnameserver.com
Admin Email (rname)
hostmaster@mainnameserver.com
Serial
2025010955
Refresh
10800s
Retry
600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns.mainnameserver.com
ns2.mainnameserver.com
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net exists:%{i}.mta.spf.extendcp.co.uk exists:%{i}.web.spf.extendcp.co.uk include:soverin.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;rf=afrf;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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
1 record- SPFv=spf1 include:secureserver.net exists:%{i}.mta.spf.extendcp.co.uk exists:%{i}.web.spf.extendcp.co.uk include:soverin.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 slcopy.co.uk
SMTP handshake, catch-all detection, SPF/DKIM/DMARC analysis, and Yahoo/Outlook verification.
Get 1,000 Free Credits