Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
idl-nrw.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 13:41:29 UTC · ↺ Refresh
MX Hostnames
- mail.idl-nrw.de
MX Priorities
- mail.idl-nrw.de: 10
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 87.139.121.42 ↩ p578b792a.dip0.t-ipconnect.de
SOA Record
Raw SOA
docks09.rzone.de hostmaster.strato-rz.de 2021020245 86400 7200 604800 300
Primary NS (mname)
docks09.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021020245
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks09.rzone.de
shades19.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.strato.com include:mailgun.org ~all
📊 DNS lookups: 4/10
~ 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
✗ 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
1 record- SPFv=spf1 a mx include:_spf.strato.com include:mailgun.org ~all
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