Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bio-protect.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 15:27:19 UTC · ↺ Refresh
MX Hostnames
- mx-b.secumail.de
- mx-a.secumail.de
MX Priorities
- mx-a.secumail.de: 10
- mx-b.secumail.de: 20
A / AAAA Records
- 31.220.125.114 ↩ r13385.agenturserver.it
Mail Server IPs
- 212.11.225.17 ↩ sc03.secumail.de
- 212.11.225.133 ↩ sc01.secumail.de
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.224.154 ↩ sc04.secumail.de
SOA Record
Raw SOA
dns.dns1.de hostmaster.internetwire.de 2026031701 28800 7200 604800 86400
Primary NS (mname)
dns.dns1.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2026031701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns.dns2.de
dns.dns1.de
dns.dns3.de
dns.dns4.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms19473007
- SPFv=spf1 include:spf.protection.outlook.com -all
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