mdk-bb.de

Valid Email Server
Domain Lookup › mdk-bb.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mdk-bb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 13:29:57 UTC · ↺ Refresh

MX Hostnames

  • mail.mdk-bb.de

MX Priorities

  • mail.mdk-bb.de: 10

A / AAAA Records

  • 91.212.221.66 ↩ securemailer.md-bb.org

Mail Server IPs

  • 91.212.221.69 ↩ mail.mdk-bb.de

SOA Record

Raw SOA ns1.webdiscount.net hostmaster.webdiscount.net 2025111258 180 180 604800 180
Primary NS (mname)
ns1.webdiscount.net
Admin Email (rname)
hostmaster@webdiscount.net
Serial
2025111258
Refresh
180s
Retry
180s
Expire
604800s
Minimum TTL
180s

Nameservers (NS)

ns1.webdiscount.net
ns3.webdiscount.net
ns2.webdiscount.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:91.212.221.69 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • apple-domain-verification=D2dXemKXKAL8cs1a
  • MS=ms39565902
  • cisco-ci-domain-verification=7c7f8c2c854f13392064cafa32f6f6c9e323115be3ca1cfe82bdc7a871a2a0bb
  • SPFv=spf1 ip4:91.212.221.69 a mx -all
Full email verification for mdk-bb.de

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