Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
helixor.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 16:40:57 UTC · ↺ Refresh
MX Hostnames
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 212.97.109.143 ↩ helixor.gbc.systems
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns.gbc.systems support.gbc.net 2024091949 3600 900 1209600 300
Primary NS (mname)
ns.gbc.systems
Admin Email (rname)
support@gbc.net
Serial
2024091949
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns.gbc.green
ns.gbc.systems
ns.gbc.gmbh
ns.gbc.red
ns.gbc.jetzt
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=helixor.de.spf.hornetdmarc.com
📊 DNS lookups: 1/10
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=0:1:d:s; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- v8c/vltgI1j/a/k1oYWQ/QVM5RDWiorL0ljZVFIBrIjCiGZJh7DlnnPY9soRMWCfH/YzZbXdVwrOOeGROq8H+A==
- 53RI2ILQamO1v7/PbHvtr1GjNRcS1jXgntuq3UIZuXL+3SoolySva7/ecn/oJ/WwqWgUrXWT3+iWQ+DQ75lGBw==
- SPFv=spf1 redirect=helixor.de.spf.hornetdmarc.com
- google-site-verification=pOyeGoZopiGCKMlckeLjscrgjHZVEPDV8BJBxxnYRxQ
- google-site-verification=BsxRWFuQq2gbjrHuFRKzjcdP_na78hsfLR9p5gl1SkA
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 helixor.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits