Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
san-ulm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:10:25 UTC · ↺ Refresh
MX Hostnames
- mgw01.cpx-it.de
MX Priorities
- mgw01.cpx-it.de: 20
A / AAAA Records
- 81.169.145.166 ↩ wa6.rzone.de
- 2a01:238:20a:202:1166:: ↩ wa6.rzone.de
Mail Server IPs
- 89.63.22.121 ↩ mgw01.cpx-it.de
SOA Record
Raw SOA
docks12.rzone.de hostmaster.strato-rz.de 2020050542 86400 7200 604800 300
Primary NS (mname)
docks12.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050542
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades11.rzone.de
docks12.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:mail.cpx-it.com a:mgw01.cpx-it.de ~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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx a:mail.cpx-it.com a:mgw01.cpx-it.de ~all
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