Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rs-heilbronner.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:42:37 UTC · ↺ Refresh
MX Hostnames
- mail2.asplogin.de
- mxtreme.hartl-edv.de
MX Priorities
- mxtreme.hartl-edv.de: 10
- mail2.asplogin.de: 30
A / AAAA Records
- 85.13.148.47 ↩ dd24928.kasserver.com
Mail Server IPs
- 176.98.166.251 ↩ mxtreme.hartl-edv.de
- 2a0b:33c0:2:138:100:64:30:18 ↩ mxtreme.hartl-edv.de
- 176.98.164.250 ↩ mail2.asplogin.de
- 2a0b:33c0:2:138:100:64:30:17 ↩ mail2.asplogin.de
SOA Record
Raw SOA
ns1116.ui-dns.biz hostmaster.1und1.de 2017062103 28800 7200 604800 300
Primary NS (mname)
ns1116.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017062103
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1116.ui-dns.de
ns1116.ui-dns.biz
ns1116.ui-dns.org
ns1116.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de a mx ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
2 records- MS=ms84998867
- SPFv=spf1 include:_spf.perfora.net include:_spf.kundenserver.de a mx ~all
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