Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
compnetgmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 18:06:46 UTC · ↺ Refresh
MX Hostnames
- fw-mgmt02.rz02.b1-cloud.net
MX Priorities
- fw-mgmt02.rz02.b1-cloud.net: 10
A / AAAA Records
- 85.209.133.131 (no PTR)
- 2a0d:2146:bdf8:1:85:209:133:131 (no PTR)
Mail Server IPs
- 85.209.133.163 ↩ mailgw.rz02.b1-cloud.net
- 2a0d:2146:bdf8:1:85:209:133:163 ↩ mailgw.rz02.b1-cloud.net
SOA Record
Raw SOA
shades01.rzone.de hostmaster.strato-rz.de 2022083129 86400 7200 604800 300
Primary NS (mname)
shades01.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2022083129
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks04.rzone.de
shades01.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:fw.rz02.compnetgmbh.de a:fw-mgmt02.rz02.b1-cloud.net ip4:85.209.133.163 ip6:2a0d:2146:bdf8:1:85:209:133:163 include:servers.mcsv.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=quarantine; fo=1; pct=20; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 mx a:fw.rz02.compnetgmbh.de a:fw-mgmt02.rz02.b1-cloud.net ip4:85.209.133.163 ip6:2a0d:2146:bdf8:1:85:209:133:163 include:servers.mcsv.net -all
- sophos-domain-verification=3f11e4f3b228247284287010dfdfe50b8cc63883d74d5b6c294e368adce3833e
- 9050nf60frc1k6bk4f9sm0js3c3b88b4
- 783ADWKM0p3arhBQLLnBlNbWrhev1ib3sJmLeYRzuH4O2BWY6+ZINGLhBAUUF5BDm1s+JQowBePvdtyOAOElqA==
- MS=ms35491866
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