Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drk-letmathe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:15:30 UTC · ↺ Refresh
MX Hostnames
- 2.mailrelay.dt-internet.de
- backuprelay.dt-internet.de
- 1.mailrelay.dt-internet.de
MX Priorities
- 2.mailrelay.dt-internet.de: 10
- 1.mailrelay.dt-internet.de: 10
- backuprelay.dt-internet.de: 20
A / AAAA Records
- 80.82.221.200 ↩ cms04.dml.dt-internet.de
Mail Server IPs
- 85.14.209.59 (no PTR)
- 85.14.209.60 (no PTR)
SOA Record
Raw SOA
dns01.dt-internet.de dnsadmin.dt-internet.de 3761861648 10800 3600 604800 3840
Primary NS (mname)
dns01.dt-internet.de
Admin Email (rname)
dnsadmin@dt-internet.de
Serial
3761861648
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3840s
Nameservers (NS)
dns01.dt-internet.de
dns05.d-t-internet.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:spf.dt-internet.de include:ihr-webspace.de ip4:85.14.209.61 ~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
3 records- SPFv=spf1 mx include:spf.protection.outlook.com include:spf.dt-internet.de include:ihr-webspace.de ip4:85.14.209.61 ~all
- DMARCv=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=quarantine
- MS=ms70360731
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