Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
prembiz.co.uk
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-14 06:20:46 UTC ยท โบ Refresh
MX Hostnames
- st3.mx.email-filter.net
- st2.mx.email-filter.net
MX Priorities
- st2.mx.email-filter.net: 10
- st3.mx.email-filter.net: 10
A / AAAA Records
- 84.18.196.203 โฉ web2-otb.dedicated.catalyst2.com
Mail Server IPs
- 84.18.194.42 โฉ st0.mx.email-filter.net
- 194.176.124.242 โฉ st4.mx.email-filter.net
SOA Record
Raw SOA
ns110.hosted-ns.net luke\.brown.outsidethebox.co.uk 1770305376 10800 3600 604800 10800
Primary NS (mname)
ns110.hosted-ns.net
Admin Email (rname)
luke\@brown.outsidethebox.co.uk
Serial
1770305376
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns110.hosted-ns.net
ns111.hosted-ns.net
SPF Record
โ Soft Fail (~all)
v=spf1 mx a ip4:84.18.196.203
๐ DNS lookups: 2/10
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ 1 found
default._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a ip4:84.18.196.203
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for prembiz.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits