Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
system41.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 06:19:02 UTC · ↺ Refresh
MX Hostnames
- mail.system41.de
MX Priorities
- mail.system41.de: 10
A / AAAA Records
- 213.187.74.109 (no PTR)
Mail Server IPs
- 49.13.74.222 ↩ hz-mailserver.pension-zur-weide.de
SOA Record
Raw SOA
ns1104.ui-dns.de hostmaster.schlund.de 2018071240 28800 7200 604800 300
Primary NS (mname)
ns1104.ui-dns.de
Admin Email (rname)
hostmaster@schlund.de
Serial
2018071240
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1104.ui-dns.org
ns1104.ui-dns.com
ns1104.ui-dns.de
ns1104.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mailersend.net include:_spf-eu.ionos.com include:pension-zur-weide.de include:vwe-st.de include:system41.co.uk include:system41.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; rf=afrf; sp=none
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:_spf.mailersend.net include:_spf-eu.ionos.com include:pension-zur-weide.de include:vwe-st.de include:system41.co.uk include:system41.de ~all
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