Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
terheggen-dethlefsen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 07:16:51 UTC · ↺ Refresh
MX Hostnames
- mx2.terheggen-dethlefsen.de
- mx1.terheggen-dethlefsen.de
MX Priorities
- mx1.terheggen-dethlefsen.de: 20
- mx2.terheggen-dethlefsen.de: 20
A / AAAA Records
- 81.169.145.77 ↩ w0d.rzone.de
- 2a01:238:20a:202:1077:: ↩ w0d.rzone.de
Mail Server IPs
- 93.240.84.181 ↩ mail.terheggen-dethlefsen.de
SOA Record
Raw SOA
shades02.rzone.de hostmaster.strato-rz.de 2021060204 86400 7200 604800 300
Primary NS (mname)
shades02.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021060204
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades02.rzone.de
docks17.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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
✓ 1 found
dkim._domainkey
✓ Public key: 64 chars (valid)
✓ DKIM properly configured for selector: dkim
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.protection.outlook.com -all
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