Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pbc-red-lion.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 11:30:42 UTC · ↺ Refresh
MX Hostnames
- alfa3203.alfahosting-server.de
MX Priorities
- alfa3203.alfahosting-server.de: 10
A / AAAA Records
- 109.237.138.49 ↩ alfa3203.alfahosting-server.de
Mail Server IPs
- 109.237.138.49 ↩ alfa3203.alfahosting-server.de
SOA Record
Raw SOA
dns1.nsdns.info tech.key-systems.net 2023061902 10800 3600 604800 28800
Primary NS (mname)
dns1.nsdns.info
Admin Email (rname)
tech@key-systems.net
Serial
2023061902
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
dns1.nsdns.info
dns2.nsdns.info
dns3.nsdns.info
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:109.237.138.49 include:secure-mailgate.com include:_spf.google.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 ip4:109.237.138.49 include:secure-mailgate.com include:_spf.google.com ~all
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