Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tkrz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 14:10:19 UTC · ↺ Refresh
MX Hostnames
- fw01.tkrz.de
MX Priorities
- fw01.tkrz.de: 10
A / AAAA Records
- 185.124.233.193 ↩ mail.tkrz-karriere.de
- 2a02:f08:20f:1::b97c:e9c1 (no PTR)
Mail Server IPs
- 185.64.168.33 ↩ fw01.tkrz.de
- 2a02:f08:300::2 ↩ fw01.tkrz.de
SOA Record
Raw SOA
ns0.tkrz.de hostmaster.tkrz.de 2026032601 10800 3600 604800 3600
Primary NS (mname)
ns0.tkrz.de
Admin Email (rname)
hostmaster@tkrz.de
Serial
2026032601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.tkrz.de
ns4.tkrz.de
ns2.tkrz.de
ns3.tkrz.de
SPF Record
✓ Strict (-all)
v=spf1 a:fw01.tkrz.de ip4:185.39.85.56 ip4:46.182.148.120 ip4:89.251.128.98 ip4:89.251.128.37 ip4:89.251.128.97 ip4:185.64.168.28 ip6:2a02:f08:b00b:1000::2 ip6:2a01:4f8:222:a07::2 include:spf.emailsys.net include:spf.protection.outlook.com include:5pf.cows-server.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms53176021
- SPFv=spf1 a:fw01.tkrz.de ip4:185.39.85.56 ip4:46.182.148.120 ip4:89.251.128.98 ip4:89.251.128.37 ip4:89.251.128.97 ip4:185.64.168.28 ip6:2a02:f08:b00b:1000::2 ip6:2a01:4f8:222:a07::2 include:spf.emailsys.net include:spf.protection.outlook.com include:5pf.cows-server.de -all
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