Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tk-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 12:11:08 UTC · ↺ Refresh
MX Hostnames
- tkgmbh.duckdns.org
- owa.tk-gmbh.de
MX Priorities
- tkgmbh.duckdns.org: 50
- owa.tk-gmbh.de: 10
A / AAAA Records
- 85.214.42.204 ↩ mx1.fp-net.de
Mail Server IPs
- 90.187.175.253 ↩ business-90-187-175-253.pool2.vodafone-ip.de
- 81.14.234.162 ↩ a81-14-234-162.net-htp.de
SOA Record
Raw SOA
sns.serverkompetenz.de o\.kottmeier.tk-gmbh.de 2026032501 10800 3600 1209600 10800
Primary NS (mname)
sns.serverkompetenz.de
Admin Email (rname)
o\@kottmeier.tk-gmbh.de
Serial
2026032501
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
sns.serverkompetenz.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:h2897606.stratoserver.net +a:relay02.hannover-cloud.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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- google-site-verification=fALAmhKgFYIsPNthCI7_9eUcCTzj2mWLa_jBUAbhceQ
- SPFv=spf1 +a +mx +a:h2897606.stratoserver.net +a:relay02.hannover-cloud.de -all
- MS=ms96396189
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