Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cti-dmc.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 16:19:53 UTC · ↺ Refresh
MX Hostnames
- ctidmc-de0i.mail.protection.outlook.com
MX Priorities
- ctidmc-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.80 ↩ w80.rzone.de
- 2a01:238:20a:202:1080:: ↩ w80.rzone.de
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
shades06.rzone.de hostmaster.strato-rz.de 2021042739 86400 7200 604800 300
Primary NS (mname)
shades06.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2021042739
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades06.rzone.de
docks10.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:40.95.0.0/15 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:spf-de.emailsignatures365.com include:spf-westeu.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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 ip4:40.95.0.0/15 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:spf-de.emailsignatures365.com include:spf-westeu.emailsignatures365.com -all
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