Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
maileimer.de
Disposable
✓ Yes
Unknown
⚠ Yes
Yes
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 06:55:47 UTC · ↺ Refresh
MX Hostnames
- kdx.mine.nu
MX Priorities
- kdx.mine.nu: 20
A / AAAA Records
- 77.235.182.82 ↩ custweb1.isp-cosimo.de
Mail Server IPs
- 85.190.180.161 ↩ ip-85-190-180-161.enviatel.net
SOA Record
Raw SOA
ns1.c-srv.de isp.cosimo.de 2023051501 28800 7200 604800 86400
Primary NS (mname)
ns1.c-srv.de
Admin Email (rname)
isp@cosimo.de
Serial
2023051501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.c-srv.de
ns1.c-srv.de
ns4.c-srv.net
ns3.c-srv.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.isp-cosimo.de -all
📊 DNS lookups: 1/10
✓ 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.isp-cosimo.de -all
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