Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fenner-group.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:21:19 UTC · ↺ Refresh
MX Hostnames
- mx2.agenturserver.de
- mx1.agenturserver.de
MX Priorities
- mx1.agenturserver.de: 10
- mx2.agenturserver.de: 10
A / AAAA Records
- 45.144.186.43 (no PTR)
Mail Server IPs
- 185.15.192.56 ↩ mx1.agenturserver.de
- 185.15.192.57 ↩ mx2.agenturserver.de
SOA Record
Raw SOA
norman.ns.cloudflare.com dns.cloudflare.com 2398891038 10000 2400 604800 1800
Primary NS (mname)
norman.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398891038
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sandy.ns.cloudflare.com
norman.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.sendinblue.com include:agenturserver.de mx ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.sendinblue.com include:agenturserver.de mx ~all
- domainVerification=1d27ebc7-9450-44bd-9630-c73de364c478
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