Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arithma.co.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 07:21:15 UTC · ↺ Refresh
MX Hostnames
- mx2-eu1.ppe-hosted.com
- mx1-eu1.ppe-hosted.com
MX Priorities
- mx1-eu1.ppe-hosted.com: 10
- mx2-eu1.ppe-hosted.com: 20
A / AAAA Records
- 92.53.241.41 ↩ web41-discovery.websitelive.net
Mail Server IPs
- 185.132.181.16 ↩ mx1-eu1.ppe-hosted.com
- 91.209.104.155 ↩ mx1-eu1.ppe-hosted.com
- 91.209.104.156 ↩ mx2-eu1.ppe-hosted.com
- 185.132.181.17 ↩ mx2-eu1.ppe-hosted.com
SOA Record
Raw SOA
ns1.bb-online.net postmaster.arithma.co.uk 2026022301 10800 3600 3600000 10800
Primary NS (mname)
ns1.bb-online.net
Admin Email (rname)
postmaster@arithma.co.uk
Serial
2026022301
Refresh
10800s
Retry
3600s
Expire
3600000s
Minimum TTL
10800s
Nameservers (NS)
ns3.bb-online.info
ns2.bb-online.org
ns1.bb-online.net
SPF Record
✓ Strict (-all)
v=spf1 a:dispatch-eu.ppe-hosted.com ip4:185.159.77.50 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- ppe-9b7a88364094523bd6f034fc337f38aede2b1040
- SPFv=spf1 a:dispatch-eu.ppe-hosted.com ip4:185.159.77.50 -all
- 201807221329412fjpp7vgsayul7qekgdmbgjqtxdsjokgsh84f57ci1awx5zwme
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 arithma.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits