Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gsz-bl.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 12:44:00 UTC · ↺ Refresh
MX Hostnames
- mailin.gsz-bl.de
MX Priorities
- mailin.gsz-bl.de: 10
A / AAAA Records
- 80.150.6.143 ↩ tld.t-online.de
- 2003:2:2:15:80:150:6:143 ↩ tld.t-online.de
Mail Server IPs
- 141.87.208.100 ↩ mailout.gsz-bl.de
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026020500 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026020500
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:141.87.208.100 ip4:49.12.112.241/32 ip4:194.0.94.38 ip4:194.0.94.39 ip4:194.59.36.55 ip4:194.59.36.56 ip4:194.0.94.40 ip4:194.0.94.41 ip4:194.0.94.42 ip4:194.0.94.43 ip4:194.59.36.57 ip4:194.59.36.58 ip4:194.59.36.59 ip4:194.59.36.62 ip4:49.12.112.239/32 ip4:81.169.146.194 include:_spf.belwue.de -all
📊 DNS lookups: 2/10
✓ 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- apple-domain-verification=mQh7PoLvTzc5w32e
- SPFv=spf1 mx ip4:141.87.208.100 ip4:49.12.112.241/32 ip4:194.0.94.38 ip4:194.0.94.39 ip4:194.59.36.55 ip4:194.59.36.56 ip4:194.0.94.40 ip4:194.0.94.41 ip4:194.0.94.42 ip4:194.0.94.43 ip4:194.59.36.57 ip4:194.59.36.58 ip4:194.59.36.59 ip4:194.59.36.62 ip4:49.12.112.239/32 ip4:81.169.146.194 include:_spf.belwue.de -all
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