Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ruhrmail.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 06:00:08 UTC · ↺ Refresh
MX Hostnames
- mail.stirnberg.net
MX Priorities
- mail.stirnberg.net: 10
A / AAAA Records
- 159.69.85.207 ↩ cs1.lsks.cloud
Mail Server IPs
- 49.12.76.179 ↩ mail.stirnberg.net
- 2a01:4f8:c17:46c0::1 ↩ mail.stirnberg.net
SOA Record
Raw SOA
nsa2.schlundtech.de info.nuw.biz 2025113000 43200 7200 1209600 600
Primary NS (mname)
nsa2.schlundtech.de
Admin Email (rname)
info@nuw.biz
Serial
2025113000
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsa2.schlundtech.de
nsd2.schlundtech.de
nsc2.schlundtech.de
nsb2.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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 mx ~all
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