Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zimmerei-sitzmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 13:42:54 UTC · ↺ Refresh
MX Hostnames
- server14.onit4u.de
MX Priorities
- server14.onit4u.de: 10
A / AAAA Records
- 78.46.40.200 ↩ server14.onit4u.de
Mail Server IPs
- 78.46.40.200 ↩ server14.onit4u.de
SOA Record
Raw SOA
ns1.host4you.de info.onit-gmbh.de 2020042300 43200 7200 1209600 3600
Primary NS (mname)
ns1.host4you.de
Admin Email (rname)
info@onit-gmbh.de
Serial
2020042300
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.host4you.de
ns3.host4you.de
ns2.host4you.de
ns4.host4you.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:78.46.40.200 ip6:2a01:4f8:110:4252::/64 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=;ruf=mailto:[email protected];sp=none;adkim=s;aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:78.46.40.200 ip6:2a01:4f8:110:4252::/64 -all
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