Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
becker-schlosser.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 12:38:37 UTC · ↺ Refresh
MX Hostnames
- imap.zockerstubb.de
MX Priorities
- imap.zockerstubb.de: 10
A / AAAA Records
- 5.189.131.9 ↩ www.zockerstubb.de
- 2a02:c207:3000:8651::1 ↩ vmd8651.contabo.host
Mail Server IPs
- 5.189.131.9 ↩ www.zockerstubb.de
- 2a02:c207:3000:8651::1 ↩ vmd8651.contabo.host
SOA Record
Raw SOA
ns1.your-server.de postmaster.zockerstubb.de 2026011400 86400 1800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@zockerstubb.de
Serial
2026011400
Refresh
86400s
Retry
1800s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:5.189.131.9 ip6:2a02:c207:3000:8651::1 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ip4:5.189.131.9 ip6:2a02:c207:3000:8651::1 -all
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