Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hebleff.online
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 01:38:38 UTC · ↺ Refresh
MX Hostnames
- webnode01-mx.zxcs.nl
MX Priorities
- webnode01-mx.zxcs.nl: 10
A / AAAA Records
- 3.125.172.46 ↩ ec2-3-125-172-46.eu-central-1.compute.amazonaws.com
Mail Server IPs
- 185.104.30.236 ↩ webnode01.zxcs.nl
- 2a06:2ec0:1::50 ↩ webnode01.zxcs.nl
SOA Record
Raw SOA
ns.zxcs.nl hostmaster.hebleff.online 2023121203 600 3600 1209600 86400
Primary NS (mname)
ns.zxcs.nl
Admin Email (rname)
hostmaster@hebleff.online
Serial
2023121203
Refresh
600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns.zxcs.be
ns.zxcs.eu
ns.zxcs.nl
SPF Record
✓ Strict (-all)
v=spf1 a include:filter-out.zxcs.nl -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; adkim=s; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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- SPFv=spf1 a include:filter-out.zxcs.nl -all
- google-site-verification=m9lKEnaQKCM39K6gj4iH4HLo1JfaBgGSRV5Sw5XTw4M
- mailconf=http://autoconfig.hebleff.online/mail/config-v1.1.xml
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 hebleff.online
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits