Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
catworkx.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:47:35 UTC · ↺ Refresh
MX Hostnames
- catworkx-de.mail.protection.outlook.com
MX Priorities
- catworkx-de.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.86.142 (no PTR)
- 172.67.220.146 (no PTR)
- 2606:4700:3034::ac43:dc92
- 2606:4700:3033::6815:568e
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
jermaine.ns.cloudflare.com dns.cloudflare.com 2399917606 10000 2400 604800 1800
Primary NS (mname)
jermaine.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399917606
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jermaine.ns.cloudflare.com
lady.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:213.61.37.128/27 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
7 records- ZOOM_verify_iHYz7FRhTeuwl8Mp6f2kHQ
- apple-domain-verification=pT8UYUm7VJ5LqlDu
- atlassian-domain-verification=EK5r2QxDElaSVAxXPVoBZhKheLJwts2M1kKRHzQ1SBj7gsFJh3mRV5JHofnkmUH/
- atlassian-domain-verification=xoiRx6fLXCkZ32sbezgaGVg28NqU7iftbIPauTnvE2fAQfIpZV2sXmKKnhPayWOq
- atlassian-sending-domain-verification=745db7b8-b5ae-4c7a-91c0-f8f54c012b15
- miro-verification=d30cb93382a187b17b69c655515a06ebc3fe0a6c
- SPFv=spf1 include:spf.protection.outlook.com ip4:213.61.37.128/27 -all
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