Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jrbit.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 01:48:32 UTC · ↺ Refresh
MX Hostnames
- jrbit-de.mail.protection.outlook.com
MX Priorities
- jrbit-de.mail.protection.outlook.com: 0
A / AAAA Records
- 135.181.169.149 ↩ static.149.169.181.135.clients.your-server.de
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.pixel-farm.de dns-ops.pixelcowboys.de 2026030716 10800 3600 604800 3600
Primary NS (mname)
ns1.pixel-farm.de
Admin Email (rname)
dns-ops@pixelcowboys.de
Serial
2026030716
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.pixel-farm.de
ns1.pixel-farm.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- MS=ms73883363
- google-site-verification=_6p6bLrNZIdgNnRBAxBuqgxxwBy40Jn74AfqD4sBnkY
- SPFv=spf1 include:spf.protection.outlook.com -all
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