Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bisplinghoff.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:24:26 UTC · ↺ Refresh
MX Hostnames
- mx.bisplinghoff.de
MX Priorities
- mx.bisplinghoff.de: 10
A / AAAA Records
- 213.199.52.18 ↩ mx.bisplinghoff.de
Mail Server IPs
- 213.199.52.18 ↩ mx.bisplinghoff.de
SOA Record
Raw SOA
ns1.contabo.net hostmaster.contabo.de 1774416263 10800 3600 604800 3600
Primary NS (mname)
ns1.contabo.net
Admin Email (rname)
hostmaster@contabo.de
Serial
1774416263
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.contabo.net
ns3.contabo.net
ns2.contabo.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:ispgateway.de ip4:213.199.52.18 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=none; fo=1; pct=100; ri=86400; adkim=s; aspf=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 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 mx include:ispgateway.de ip4:213.199.52.18 ~all
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