Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drpfisterer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 10:12:39 UTC · ↺ Refresh
MX Hostnames
- mailhost.webjoker.biz
MX Priorities
- mailhost.webjoker.biz: 10
A / AAAA Records
- 85.215.99.72 ↩ w4.webjoker.online
- 2a01:239::806c:0:0:0:1 ↩ w4.webjoker.online
Mail Server IPs
- 167.86.78.86 ↩ mailhost.webjoker.biz
SOA Record
Raw SOA
ns1.webjoker.online root.ns1.webjoker.online 1757287395 10800 3600 604800 3600
Primary NS (mname)
ns1.webjoker.online
Admin Email (rname)
root@ns1.webjoker.online
Serial
1757287395
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.webjoker.online
ns2.webjoker.online
SPF Record
✓ Strict (-all)
v=spf1 +mx +a +a:sv1.webjoker.online -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 +mx +a +a:sv1.webjoker.online -all
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