Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biohost.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:21:06 UTC · ↺ Refresh
MX Hostnames
- mail.green-internet.net
MX Priorities
- mail.green-internet.net: 10
A / AAAA Records
- 91.218.23.1 (no PTR)
Mail Server IPs
- 91.218.23.10 ↩ mail.green-internet.net
SOA Record
Raw SOA
ns1.green-internet.net hostmaster.biohost.de 2025040800 43200 7200 1209600 86400
Primary NS (mname)
ns1.green-internet.net
Admin Email (rname)
hostmaster@biohost.de
Serial
2025040800
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns4.green-internet.net
ns3.green-internet.net
ns1.green-internet.net
ns2.green-internet.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.biohost.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- 202103311252026axd7lg3ldeyvah4983mnezvl4y05nhk5hzzb3ayhfx1w7ci09
- facebook-domain-verification=nmikxl2uu3mz59os0hu9j1fqtcbizr
- SPFv=spf1 a mx include:spf.biohost.de ~all
- google-site-verification=3WN9YJMYqp1uIf_4PYd6uxKXmwzE67cej1cc2pT19gU
Full email verification for biohost.de
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