Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tb-nord.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 14:18:56 UTC · ↺ Refresh
MX Hostnames
- w01014f3.kasserver.com
- mail01.tb-nord.de
MX Priorities
- mail01.tb-nord.de: 10
- w01014f3.kasserver.com: 200
A / AAAA Records
- 85.13.155.63 ↩ dd25714.kasserver.com
Mail Server IPs
- 212.48.105.34 ↩ mail01.tb-nord.de
- 85.13.155.63 ↩ dd25714.kasserver.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2512301743 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2512301743
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns5.kasserver.com
ns3.ai-dns.de
ns6.kasserver.com
ns5.name-server-kas.de
SPF Record
✓ Strict (-all)
v=spf1 a:mail01.tb-nord.de a:w01014f3.kasserver.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; adkim=s; aspf=s; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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- apple-domain-verification=pBLa9F16jtPSFHjX
- MS=ms25678087
- SPFv=spf1 a:mail01.tb-nord.de a:w01014f3.kasserver.com -all
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