Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dr-dent-schneider.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:57:13 UTC · ↺ Refresh
MX Hostnames
- mail.itsysteme.pro
MX Priorities
- mail.itsysteme.pro: 10
A / AAAA Records
- 5.22.145.121 ↩ relay.mail-forwarder.io
- 5.22.145.16 ↩ relay.mail-forwarder.io
- 2a00:18e0:5:2:7577:4e4d:413b:f507 ↩ relay.mail-forwarder.io
- 2a00:18e0:5:3:dfe2:c743:85aa:61bc ↩ relay.mail-forwarder.io
Mail Server IPs
- 80.152.178.107 ↩ mail.itsysteme.pro
SOA Record
Raw SOA
dns1.nsdns.info tech.key-systems.net 2023050900 10800 3600 604800 28800
Primary NS (mname)
dns1.nsdns.info
Admin Email (rname)
tech@key-systems.net
Serial
2023050900
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
dns1.nsdns.info
dns2.nsdns.info
dns3.nsdns.info
SPF Record
✓ Strict (-all)
v=spf1 include:itsysteme.pro -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 include:itsysteme.pro -all
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