Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
haarlinie.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 01:49:00 UTC · ↺ Refresh
MX Hostnames
- mail.gbc.net
MX Priorities
- mail.gbc.net: 30
A / AAAA Records
- 212.97.109.170 ↩ w04.gbc.systems
Mail Server IPs
- 212.97.96.201 ↩ ns.gbc.net
SOA Record
Raw SOA
ns.gbc.systems support.gbc.net 2025020508 3600 900 1209600 300
Primary NS (mname)
ns.gbc.systems
Admin Email (rname)
support@gbc.net
Serial
2025020508
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns.gbc.red
ns.gbc.jetzt
ns.gbc.systems
ns.gbc.green
ns.gbc.gmbh
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.gbc.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
1 record- SPFv=spf1 a mx include:_spf.gbc.net ~all
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