Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tbv-lemgo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 13:35:35 UTC · ↺ Refresh
MX Hostnames
- jade.bicos.de
- mail.bicos.de
MX Priorities
- jade.bicos.de: 10
- mail.bicos.de: 100
A / AAAA Records
- 212.100.39.12 (no PTR)
Mail Server IPs
- 212.100.32.17 ↩ vmail.bicos.de
- 2a00:d58::11 ↩ vmail.bicos.de
- 2a00:d58::212:100:32:17 ↩ vmail.bicos.de
- 212.100.32.1 ↩ linbicos.bicos.de
- 2a00:d58::212:100:32:1 ↩ linbicos.bicos.de
- 2a00:d58::1 ↩ mail.bicos.de
SOA Record
Raw SOA
linbicos.bicos.de root.linbicos.bicos.de 2025082001 28800 7200 604800 86400
Primary NS (mname)
linbicos.bicos.de
Admin Email (rname)
root@linbicos.bicos.de
Serial
2025082001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.bicos.de
linbicos.bicos.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:212.100.32.0/21 ip6:2a00:d58::/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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
1 record- SPFv=spf1 a mx ip4:212.100.32.0/21 ip6:2a00:d58::/32 include:spf.protection.outlook.com -all
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