bios-online.de

Valid Email Server
Domain Lookup › bios-online.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bios-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 23:03:47 UTC · ↺ Refresh

MX Hostnames

  • mxext2.mailbox.org
  • mxext1.mailbox.org
  • A.MX.KSF1.MESSAGE-SOLUTION.de
  • mxext3.mailbox.org
  • B.MX.KSF1.MESSAGE-SOLUTION.de

MX Priorities

  • mxext2.mailbox.org: 10
  • b.mx.ksf1.message-solution.de: 50
  • a.mx.ksf1.message-solution.de: 50
  • mxext1.mailbox.org: 10
  • mxext3.mailbox.org: 20

A / AAAA Records

  • 185.233.55.64 ↩ shared-clump0171-web.agenturserver.it

Mail Server IPs

  • 80.241.60.215 ↩ mx2.mailbox.org
  • 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
  • 185.102.56.242 ↩ B.MX.KSF1.MESSAGE-SOLUTION.DE
  • 185.102.56.241 ↩ A.MX.KSF1.MESSAGE-SOLUTION.DE
  • 80.241.60.212 ↩ mx1.mailbox.org
  • 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
  • 80.241.60.216 ↩ mx3.mailbox.org
  • 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org

SOA Record

Raw SOA ns1.adns2.de hostmaster.adns2.de 2026031502 40000 7200 604800 86400
Primary NS (mname)
ns1.adns2.de
Admin Email (rname)
hostmaster@adns2.de
Serial
2026031502
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.adns2.de
ns2.adns2.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.102.56.241/28 ip4:217.31.80.0/24 ip4:80.153.205.212/32 mx:bios-online.de include:mailbox.org -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; fo=1:d:s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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 ip4:185.102.56.241/28 ip4:217.31.80.0/24 ip4:80.153.205.212/32 mx:bios-online.de include:mailbox.org -all
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