Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ontier.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 12:57:59 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 185.169.253.175 ↩ url-fwd.easydns.com
Mail Server IPs
- 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
dns1.easydns.com zone.easydns.com 1746552262 3600 600 604800 300
Primary NS (mname)
dns1.easydns.com
Admin Email (rname)
zone@easydns.com
Serial
1746552262
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns3.easydns.ca
dns2.easydns.net
dns1.easydns.com
SPF Record
✓ Strict (-all)
v=spf1 include:eu._netblocks.mimecast.com ip4:185.58.87.41 ip4:81.187.227.10 ip4:81.187.30.0/25 ip4:81.187.81.0/24 ip4:217.169.20.0/27 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:eu._netblocks.mimecast.com ip4:185.58.87.41 ip4:81.187.227.10 ip4:81.187.30.0/25 ip4:81.187.81.0/24 ip4:217.169.20.0/27 include:spf.protection.outlook.com -all
- laud0grh94m8hg6ofel0er7fs4
- qvdpve8mdcc62vksc5hk7ru05l
- niaj7qtkulvs81l3ostohnajhr
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 ontier.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits