Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bordesholm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 15:18:07 UTC · ↺ Refresh
MX Hostnames
- mail.bordesholm.de
- relay.rzone.de
MX Priorities
- mail.bordesholm.de: 10
- relay.rzone.de: 100
A / AAAA Records
- 185.166.20.12 ↩ r31244.agenturserver.it
Mail Server IPs
- 213.178.88.177 ↩ mail.bordesholm.de
- 81.169.145.96 ↩ relay.rzone.de
SOA Record
Raw SOA
shades10.rzone.de hostmaster.strato-rz.de 2020071207 86400 7200 604800 300
Primary NS (mname)
shades10.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020071207
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks17.rzone.de
shades10.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
4 records- sophos-domain-verification=26ca0996ab5bda8898aa08cd4d1298a14972b0340d89b580124a0e79b1344dcb
- MS=E4164CE4F2A6990711091D66837567725B031C05
- goodnotes-verification=1e7644d7-e3b5-41f9-adc8-438047a77711
- SPFv=spf1 mx -all
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