Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jacob-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 18:31:44 UTC · ↺ Refresh
MX Hostnames
- mobil.jacob-gmbh.de
- mail.jacob-gmbh.de
MX Priorities
- mobil.jacob-gmbh.de: 60
- mail.jacob-gmbh.de: 10
A / AAAA Records
- 88.198.220.176 ↩ www316.your-server.de
Mail Server IPs
- 212.185.59.36 ↩ mobil.jacob-gmbh.de
- 212.185.59.35 ↩ mail.jacob-gmbh.de
SOA Record
Raw SOA
ns1.telekom-domains.de dns.telekom.de 2024121201 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2024121201
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
ns2.telekom-domains.de
ns1.telekom-domains.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:spf.protection.outlook.com ip4:212.185.59.32/29 ~all
📊 DNS lookups: 3/10
~ 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: 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
3 records- MS=ms66042017
- SPFv=spf1 mx a include:spf.protection.outlook.com ip4:212.185.59.32/29 ~all
- apple-domain-verification=95D3dGYZ0DROm0Vr
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