Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kroenlein.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 14:25:44 UTC · ↺ Refresh
MX Hostnames
- mailsecurity.lotter.de
MX Priorities
- mailsecurity.lotter.de: 10
A / AAAA Records
- 46.30.63.217 ↩ r25059.agenturserver.it
Mail Server IPs
- 212.211.170.139 ↩ mailsecurity.lotter.de
SOA Record
Raw SOA
dns01-tld.t-online.de dns.telekom.de 2025071001 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2025071001
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns01-tld.t-online.de
dns02-tld.t-online.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:77.235.182.101 ip4:188.94.115.51 ip4:212.211.170.139 ip4:80.151.99.192 ip4:194.25.134.16/29 ip4:194.25.134.80/29 include:spfhard.crsend.com include:agenturserver.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
3 records- knowbe4-site-verification=73128f5d310c47548b893b06aacacc45
- SPFv=spf1 ip4:77.235.182.101 ip4:188.94.115.51 ip4:212.211.170.139 ip4:80.151.99.192 ip4:194.25.134.16/29 ip4:194.25.134.80/29 include:spfhard.crsend.com include:agenturserver.de -all
- zscaler-verification-149940700-8072025-a52kw8u88i
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