Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hotel-osterberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 04:52:16 UTC · ↺ Refresh
MX Hostnames
- server3.pikos.de
MX Priorities
- server3.pikos.de: 10
A / AAAA Records
- 217.160.78.110 ↩ server3.pikos.de
Mail Server IPs
- 217.160.78.110 ↩ server3.pikos.de
- 2001:8d8:800:3000::9e:fc31 ↩ server3.pikos.de
SOA Record
Raw SOA
server3.pikos.de info.hotel-osterberg.de 2024030703 43200 7200 1209600 600
Primary NS (mname)
server3.pikos.de
Admin Email (rname)
info@hotel-osterberg.de
Serial
2024030703
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
server3.pikos.de
ssl.jetlinx.de
SPF Record
✓ Strict (-all)
v=spf1 +a +a:server3.pikos.de +mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;rua=mailto:[email protected];ruf=mailto:[email protected];rf=afrf;fo=0;adkim=s;aspf=s;pct=100
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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 +a:server3.pikos.de +mx -all
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