cleangas.com

Valid Email Server
Domain Lookup › cleangas.com

Domain Overview

DNS: ✓ 24h ago Checker: ✓ 24h ago
cleangas.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-11-10 13:43:22 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx01.hornetsecurity.com
  • mx02.hornetsecurity.com

MX Priorities

  • mx02.hornetsecurity.com: 10
  • mx01.hornetsecurity.com: 20

A / AAAA Records

  • 92.205.192.180 ↩ mc22134.ispgateway.de

Mail Server IPs

  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com

SOA Record

Raw SOA shades03.rzone.de hostmaster.strato-rz.de 2020052055 86400 7200 604800 300
Primary NS (mname)
shades03.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020052055
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks19.rzone.de
shades03.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.hornetsecurity.com include:spf.nl2go.com include:amazonses.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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

6 records
  • 3ucsdpesj3sfcgqgrt2cpimit3
  • roqh0d4917o9fs5aed8m2jvs3n
  • 12p46b33f5ech49ekmtsj0tf0k
  • anthropic-domain-verification-ft4hnc=hzJaXcNn8l85cH3nCPjb2jsqL
  • SPFv=spf1 include:spf.hornetsecurity.com include:spf.nl2go.com include:amazonses.com include:spf.protection.outlook.com -all
  • apple-domain-verification=DjRoahOii1irqvJc
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 cleangas.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits