Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
sienne.co.uk
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-29 15:44:18 UTC ยท โบ Refresh
MX Hostnames
- mx1.mymangomail.com
MX Priorities
- mx1.mymangomail.com: 10
A / AAAA Records
- 158.220.88.129 โฉ vmi1828743.contaboserver.net
Mail Server IPs
- 54.176.194.88 โฉ smtp.mymangomail.com
SOA Record
Raw SOA
ns3.ukprohost.com dns3.ukprohost.com 2026031702 10800 3600 604800 600
Primary NS (mname)
ns3.ukprohost.com
Admin Email (rname)
dns3@ukprohost.com
Serial
2026031702
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns4.ukprohost.com
ns3.ukprohost.com
SPF Record
โ Strict (-all)
v=spf1 include:spf.mymangomail.com -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
โ No aggregate reports (rua= not set)
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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- mail-host-verify=9ec75b7
- SPFv=spf1 include:spf.mymangomail.com -all
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 sienne.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits