Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
oxygenconcept.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 01:18:57 UTC · ↺ Refresh
MX Hostnames
- oxygenconcept-de.mail.protection.outlook.com
MX Priorities
- oxygenconcept-de.mail.protection.outlook.com: 20
A / AAAA Records
- 85.13.131.204 ↩ dd40932.kasserver.com
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
shades05.rzone.de hostmaster.strato-rz.de 2020053227 86400 7200 604800 300
Primary NS (mname)
shades05.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020053227
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks01.rzone.de
shades05.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:shops.shopify.com include:infusionmail.com include:spf.crsend.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; sp=quarantine; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
5 records- klaviyo-site-verification=VNnzE6
- MS=ms97274628
- google-site-verification=mhHZnVarcSz25_WV30bzceb42gzkmWyWpD5rGzKcDu0
- SPFv=spf1 include:spf.protection.outlook.com include:shops.shopify.com include:infusionmail.com include:spf.crsend.com -all
- google-site-verification=c6N1pxPsZi7egDIwAD88H7HIB1-jf0iOnzSynTBzG8k
Full email verification for oxygenconcept.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits