Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rak-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 11:48:50 UTC · ↺ Refresh
MX Hostnames
- mailgw.insigma.de
MX Priorities
- mailgw.insigma.de: 10
A / AAAA Records
- 92.204.43.85 ↩ ms10395.ispgateway.de
Mail Server IPs
- 91.226.162.15 ↩ mailgw.insigma.de
SOA Record
Raw SOA
ns1121.ui-dns.biz hostmaster.kundenserver.de 2017051047 28800 7200 604800 300
Primary NS (mname)
ns1121.ui-dns.biz
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2017051047
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1121.ui-dns.de
ns1121.ui-dns.com
ns1121.ui-dns.org
ns1121.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:_spf.perfora.net include:_spf.kundenserver.de include:csa.wwwserver.net include:spf-policy.insigma.de ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- hrd8164glickt77pilvbj5hf6a
- v=verifydomain MS=5565007
- idaq62uel26em6e733dj7qbji7
- yfqnbylvpjn35b9vmv18nqfd9cscbsnf
- MS=23475AC46BBA5ADD07EECBA274BB769EC531B3D7
- kdw9txx5jy876d6wm1dtq6b4zvyngksp
- SPFv=spf1 a include:_spf.perfora.net include:_spf.kundenserver.de include:csa.wwwserver.net include:spf-policy.insigma.de ~all
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