Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dr-kalender.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 17:44:01 UTC · ↺ Refresh
MX Hostnames
- mx1.artur.eu
MX Priorities
- mx1.artur.eu: 10
A / AAAA Records
- 144.76.223.250 ↩ sperling.artur.eu
- 2a01:4f8:201:1eb::cafe:1 (no PTR)
Mail Server IPs
- 88.99.148.215 ↩ mout1.artur.eu
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026022301 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026022301
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.artur.eu -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.artur.eu -all
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