Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
black-gate.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 10:15:20 UTC · ↺ Refresh
MX Hostnames
- mx.black-gate.de
MX Priorities
- mx.black-gate.de: 10
A / AAAA Records
- 162.55.78.226 ↩ tigris.thor-heyerdahl.de
Mail Server IPs
- 162.55.78.235 ↩ mail.service.setnetz.de
SOA Record
Raw SOA
ns1.routing.net it.setnetz.de 2025112901 86400 7200 2419200 900
Primary NS (mname)
ns1.routing.net
Admin Email (rname)
it@setnetz.de
Serial
2025112901
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns3.routing.net
ns2.routing.net
ns1.routing.net
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:162.55.78.235 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a ip4:162.55.78.235 -all
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