Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
roessler-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 15:00:47 UTC · ↺ Refresh
MX Hostnames
- mail.roessler-online.de
MX Priorities
- mail.roessler-online.de: 10
A / AAAA Records
- 84.38.78.58 ↩ auf-der-see.de
Mail Server IPs
- 84.38.78.58 ↩ auf-der-see.de
SOA Record
Raw SOA
dns1.ispone-business.de hostmaster.ispone-business.de 2024021502 10800 1800 604800 1800
Primary NS (mname)
dns1.ispone-business.de
Admin Email (rname)
hostmaster@ispone-business.de
Serial
2024021502
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dns2.ispone-business.de
dns1.ispone-business.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4: 84.38.78.58 a:roessler-online.de a:mail.roessler-online.de a:www.roessler-online.de -all
📊 DNS lookups: 5/10
✓ 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 a mx ip4: 84.38.78.58 a:roessler-online.de a:mail.roessler-online.de a:www.roessler-online.de -all
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