Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
polycoatingsolutions.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-10-03 12:20:18 UTC · ↺ Refresh
MX Hostnames
- mailsec.protonmail.ch
- mail.protonmail.ch
MX Priorities
- mail.protonmail.ch: 0
- mailsec.protonmail.ch: 0
A / AAAA Records
- 67.205.45.124 ↩ vps37892.dreamhostps.com
Mail Server IPs
- 185.70.42.128 ↩ mail.protonmail.ch
- 176.119.200.128 ↩ mail.protonmail.ch
- 185.205.70.128 ↩ mail.protonmail.ch
- 176.119.200.129 ↩ mailsec.protonmail.ch
- 185.70.42.129 ↩ mailsec.protonmail.ch
- 185.205.70.129 ↩ mailsec.protonmail.ch
SOA Record
Raw SOA
ns1.dreamhost.com hostmaster.dreamhost.com 2026082203 21527 600 1814400 60
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2026082203
Refresh
21527s
Retry
600s
Expire
1814400s
Minimum TTL
60s
Nameservers (NS)
ns1.dreamhost.com
ns2.dreamhost.com
ns3.dreamhost.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.protonmail.ch -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
2 records- protonmail-verification=ba1e8f3a28256c2637dba342d64f57401522ee18
- SPFv=spf1 include:_spf.protonmail.ch -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 · Customize →
See demo & docs
Deep verification
Full email verification for polycoatingsolutions.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits