Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jelba.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 06:59:29 UTC · ↺ Refresh
MX Hostnames
- mail.jelba.de
MX Priorities
- mail.jelba.de: 10
A / AAAA Records
- 85.13.155.212 ↩ dd39630.kasserver.com
Mail Server IPs
- 89.28.139.123 ↩ mail.jelba.de
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2512181347 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2512181347
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 a:jelba.de ip4:89.28.142.100 ip4:89.28.139.120/29 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
5 records- sophos-domain-verification=6cafaca614f518abd3b2f257bd578c605cfcb95872fab511f50b8d0b0b6e23c5
- MS=A4C025948CD21F6BA7035712D9E4172819B89B6B
- SPFv=spf1 a:jelba.de ip4:89.28.142.100 ip4:89.28.139.120/29 include:spf.protection.outlook.com -all
- apple-domain-verification=VZ9YooOpW6FKgOfJ
- Foxit-domain-verification=f82a277036558994fe3f37af80ad6728
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