Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ddv-mediengruppe.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 16:17:00 UTC · ↺ Refresh
MX Hostnames
- ddvmediengruppe-de0i.mail.protection.outlook.com
MX Priorities
- ddvmediengruppe-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 85.13.166.216 ↩ dd54328.kasserver.com
Mail Server IPs
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.niedersachsen.com dns.gutenberg-rz.de 2025093049 14400 3600 3600000 3600
Primary NS (mname)
ns0.niedersachsen.com
Admin Email (rname)
dns@gutenberg-rz.de
Serial
2025093049
Refresh
14400s
Retry
3600s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
pns.dtag.de
secondary006.dtag.net
ns0.niedersachsen.com
SPF Record
✓ Strict (-all)
v=spf1 a:w01faada.kasserver.com a:mailgate.gruen.net ip4:195.74.44.0/22 ip4:84.17.184.240/28 ip4:194.12.201.128/25 ip4:172.16.0.0/12 ip4:194.195.3.64/27 include:spf.protection.outlook.com include:_spf.k8s-prod.ddv-technik.de include:_spf.evolver.de include:_spf.rexx-systems.com include:spf.gutenberg-rz.de -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
13 records- ege0sq58av9oh786uolrlkpcvh
- trend-micro-v1-domain-verification.698e4d11f1d28c48edec8ba6107a5cbd=149fdb83-2fc5-4d9b-9ca8-f314505e5c65
- teamviewer-sso-verification=c54bd0ebe4c0478a8c66e097f7960047
- Hrb1b20H4JB5pkF/H5FZvFX8n+pzIt2ZBHECviiPeqMajcS42xLrVpf5vezfmvpf1G0ZsFKmiBuV6WLyTPZeXw==
- PLCP/6xq5UhcY4a0O5ZaJJbj5JqVK+zpAdsqBmmYGKIWt4YaRhP7tac2+N4rp5ZRjng1JwwP+ZnQIM39VtTB7g==
- MS=ms84334518
- vfhui1di51l36flcjomn725327
- SPFv=spf1 a:w01faada.kasserver.com a:mailgate.gruen.net ip4:195.74.44.0/22 ip4:84.17.184.240/28 ip4:194.12.201.128/25 ip4:172.16.0.0/12 ip4:194.195.3.64/27 include:spf.protection.outlook.com include:_spf.k8s-prod.ddv-technik.de include:_spf.evolver.de include:_spf.rexx-systems.com include:spf.gutenberg-rz.de -all
- adobe-idp-site-verification=8100f85d-61c4-43eb-ba68-cc697e2f4aea
- apple-domain-verification=LsooHlnFE91Ee5LP
- atlassian-domain-verification=eVLlkDV7ducIUSNtOKlKy3nfWDIyPg6y9h9UgZ7iZ7q3zMNop4atVkeUVlnEYxMQ
- adobe-idp-site-verification=4e0809b5cad75cb6c47d220d0f46ce7375397c8ba06a4e4e11bf5c19529b96a0
- google-site-verification=fLM0O6dCnsuRhA0XOlWSnyTHHqWeeWoci-3BktQ6jvc
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