Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lonsdorfer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 23:46:54 UTC · ↺ Refresh
MX Hostnames
- lonsdorfer-de.mx2.arsmtp.com
- lonsdorfer-de.mx1.arsmtp.com
MX Priorities
- lonsdorfer-de.mx1.arsmtp.com: 10
- lonsdorfer-de.mx2.arsmtp.com: 20
A / AAAA Records
- 212.72.173.54 ↩ www.athletika.net
Mail Server IPs
- 5.152.185.146 ↩ server430.appriver.com
- 5.152.188.55 ↩ server431.appriver.com
SOA Record
Raw SOA
ns1.ctnm.de dns.ctnm.de 2021032510 86400 7200 2419200 86400
Primary NS (mname)
ns1.ctnm.de
Admin Email (rname)
dns@ctnm.de
Serial
2021032510
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns1.ctnm.de
auth3.artfiles.de
auth2.artfiles.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:agenturserver.de a:sv03.net-housting.de -all
📊 DNS lookups: 4/10
✓ 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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:agenturserver.de a:sv03.net-housting.de -all
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