Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
touristik-koblenz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 02:53:14 UTC · ↺ Refresh
MX Hostnames
- mailmx0003.rlp.de
- mailmx0001.rlp.de
- mailmx0002.rlp.de
- mailmx0004.rlp.de
MX Priorities
- mailmx0004.rlp.de: 10
- mailmx0003.rlp.de: 10
- mailmx0002.rlp.de: 10
- mailmx0001.rlp.de: 10
A / AAAA Records
- 82.115.96.112 ↩ home.ktk.de
Mail Server IPs
- 83.243.48.74 ↩ mailmx0004.rlp.de
- 83.243.48.101 ↩ mailmx0003.rlp.de
- 83.243.48.72 ↩ mailmx0002.rlp.de
- 83.243.48.71 ↩ mailmx0001.rlp.de
SOA Record
Raw SOA
ns-a.ktk.de hostmaster.noc.ktk.de 2019052131 3600 900 604800 3600
Primary NS (mname)
ns-a.ktk.de
Admin Email (rname)
hostmaster@noc.ktk.de
Serial
2019052131
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns-b.ktk.io
ns-c.ktk.de
ns-a.ktk.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:82.115.96.244/32 ip4:82.115.96.245/32 ip4:83.243.48.64/26 mx include:mail.ktk.de include:kommwis.de include:spf.crsend.com -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 ip4:82.115.96.244/32 ip4:82.115.96.245/32 ip4:83.243.48.64/26 mx include:mail.ktk.de include:kommwis.de include:spf.crsend.com -all
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