Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
beudeker.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:39:10 UTC · ↺ Refresh
MX Hostnames
- mx1.onoffice.de
- mx2.onoffice.de
MX Priorities
- mx1.onoffice.de: 10
- mx2.onoffice.de: 20
A / AAAA Records
- 213.239.241.80 ↩ host34.networkinvest.de
Mail Server IPs
- 95.130.253.60 ↩ mx1.onoffice.de
- 95.130.253.71 ↩ mx2.onoffice.de
SOA Record
Raw SOA
shades16.rzone.de hostmaster.strato-rz.de 2020050735 86400 7200 604800 300
Primary NS (mname)
shades16.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050735
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks19.rzone.de
shades16.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.onoffice.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:_spf.onoffice.de ~all
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