Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
birkenhof-siegerland.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 06:37:42 UTC · ↺ Refresh
MX Hostnames
- mail.green-internet.net
MX Priorities
- mail.green-internet.net: 10
A / AAAA Records
- 178.63.0.177 ↩ webh03.biohost.net
Mail Server IPs
- 91.218.23.10 ↩ mail.green-internet.net
SOA Record
Raw SOA
ns1.green-internet.net hostmaster.biohost.de 2025061800 43200 7200 1209600 86400
Primary NS (mname)
ns1.green-internet.net
Admin Email (rname)
hostmaster@biohost.de
Serial
2025061800
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.green-internet.net
ns3.green-internet.net
ns4.green-internet.net
ns1.green-internet.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.biohost.de include:spf.corpex.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.biohost.de include:spf.corpex.de ~all
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