Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arztrechnung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 15:03:55 UTC · ↺ Refresh
MX Hostnames
- spam1.mediserv.de
MX Priorities
- spam1.mediserv.de: 100
A / AAAA Records
- 212.89.131.16 ↩ www.arztrechnung.de
Mail Server IPs
- 212.89.131.9 ↩ spam1.mediserv.de
SOA Record
Raw SOA
ns1.mediserv.de administrator.mediserv.de 2024092001 28800 3600 604800 300
Primary NS (mname)
ns1.mediserv.de
Admin Email (rname)
administrator@mediserv.de
Serial
2024092001
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.mediserv.de
ns1.mediserv.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.89.131.9 ip4:91.24.28.34 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=d
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:212.89.131.9 ip4:91.24.28.34 -all
- _rosiunob5fqiah4j5nk36lde37grtsz
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