Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
klussmann-ing.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:10:57 UTC · ↺ Refresh
MX Hostnames
- mail.klussmann-ing.de
MX Priorities
- mail.klussmann-ing.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 202.61.203.81 ↩ mail.klussmann-ing.de
- 2a03:4000:5a:142:d81e:24ff:fe0f:b661 ↩ mail.klussmann-ing.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026031800 86400 10800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026031800
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
7200s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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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