Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tbrheine.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 20:45:51 UTC · ↺ Refresh
MX Hostnames
- mail.tbrheine.de
MX Priorities
- mail.tbrheine.de: 10
A / AAAA Records
- 93.190.71.20 ↩ rapp1.regiogate.net
Mail Server IPs
- 178.255.140.1 ↩ mail.tbrheine.de
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2602181607 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2602181607
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns5.kasserver.com
ns3.ai-dns.de
ns5.name-server-kas.de
ns6.kasserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:178.255.140.1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- SPFv=spf1 ip4:178.255.140.1 include:spf.protection.outlook.com ~all
- MS=ms46868116
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