Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kfo-steinbauer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 07:54:28 UTC · ↺ Refresh
MX Hostnames
- mail.kfo-steinbauer.de
MX Priorities
- mail.kfo-steinbauer.de: 10
A / AAAA Records
- 91.237.88.179 ↩ srv2.bull-it.eu
- 2001:67c:299c:3989:91:237:88:179 ↩ srv2.bull-it.eu
Mail Server IPs
- 91.237.88.179 ↩ srv2.bull-it.eu
- 2001:67c:299c:3989:91:237:88:179 ↩ srv2.bull-it.eu
SOA Record
Raw SOA
a.ns14.net do-not-reply.kfo-steinbauer.de 2024080801 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@kfo-steinbauer.de
Serial
2024080801
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
d.ns14.net
c.ns14.net
b.ns14.net
a.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:srv2.bull-it.eu -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +a:srv2.bull-it.eu -all
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