Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lahnmed.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 07:19:33 UTC · ↺ Refresh
MX Hostnames
- mx-a.secumail.de
- mx-b.secumail.de
MX Priorities
- mx-a.secumail.de: 10
- mx-b.secumail.de: 10
A / AAAA Records
- 45.87.136.34 ↩ ms5904.mymanaged.host
Mail Server IPs
- 212.11.225.133 ↩ sc01.secumail.de
- 212.11.225.17 ↩ sc03.secumail.de
- 212.11.224.154 ↩ sc04.secumail.de
- 212.11.224.132 ↩ sc02.secumail.de
SOA Record
Raw SOA
ns1047.ui-dns.biz hostmaster.1und1.de 2017051188 28800 7200 604800 300
Primary NS (mname)
ns1047.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017051188
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1047.ui-dns.org
ns1047.ui-dns.com
ns1047.ui-dns.de
ns1047.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.secumail.de
📊 DNS lookups: 1/10
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 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
4 records- apple-domain-verification=V0lIwwrz09wkLqlv
- swisssign-check=Czki1tS7LbkaiKnv2_qJBJJORy4
- SPFv=spf1 include:spf.secumail.de
- google-site-verification=UWEu8BFcwi6K8Jv4VaIG1xT337_mKYH7RibkT8FmJR0
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