Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
hotel-buchholz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 01:44:04 UTC · ↺ Refresh
MX Hostnames
- mx.hotel-buchholz.de
MX Priorities
- mx.hotel-buchholz.de: 10
A / AAAA Records
- 138.201.54.187 ↩ domu04.linux-cologne.com
Mail Server IPs
- 85.215.71.36 ↩ mx.hotel-buchholz.de
- 2a02:2479:4d:b800::1 ↩ mx.hotel-buchholz.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026022306 14400 1800 604800 21600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026022306
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
21600s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:strato.hotel-buchholz.de a:mail-relay.swoppen-server.com a:domu04.linux-cologne.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 mx a:strato.hotel-buchholz.de a:mail-relay.swoppen-server.com a:domu04.linux-cologne.com -all
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