Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kanzleikellner.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 19:24:51 UTC · ↺ Refresh
MX Hostnames
- mx2.prosem.net
MX Priorities
- mx2.prosem.net: 10
A / AAAA Records
- 89.58.9.82 ↩ w6nc.prosem.net
- 2a03:4000:5f:ee5:89:58:9:82 ↩ w6nc.prosem.net
Mail Server IPs
- 5.1.93.51 ↩ mx2.prosem.net
- 2a00:f820:417::5:1:93:51 ↩ mx2.prosem.net
SOA Record
Raw SOA
ns1.prosem.net hostmaster.prosem.net 2025102303 43200 7200 1209600 86400
Primary NS (mname)
ns1.prosem.net
Admin Email (rname)
hostmaster@prosem.net
Serial
2025102303
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.prosem.net
ns3.prosem.net
ns1.prosem.net
ns4.prosem.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx ip4:217.91.206.162 ip4:213.165.67.97 ip4:212.227.15.146 ip4:212.227.15.130 include:spf.prosem.net include:spf.mailcow.de include:maildomain._spf.datev.de include:ddvs._spf.datev.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ 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
3 records- MS=ms74077973
- google-site-verification=-QK69yYHwFLr68PAuMS7L5J2Cti6dc1VkgqW29OXzgs
- SPFv=spf1 +a +mx ip4:217.91.206.162 ip4:213.165.67.97 ip4:212.227.15.146 ip4:212.227.15.130 include:spf.prosem.net include:spf.mailcow.de include:maildomain._spf.datev.de include:ddvs._spf.datev.de ~all
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