cb-it.uk

Valid Email Server
Domain Lookup › cb-it.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cb-it.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 01:49:33 UTC · ↺ Refresh

MX Hostnames

  • cbit-uk0e.mail.protection.outlook.com

MX Priorities

  • cbit-uk0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 160.153.131.217 ↩ 217.131.153.160.host.secureserver.net

Mail Server IPs

  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns15.domaincontrol.com dns.jomax.net 2025112400 28800 7200 604800 600
Primary NS (mname)
ns15.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025112400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns15.domaincontrol.com
ns16.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ipv4:82.21.194.225 ipv4:79.78.150.65 ipv4:79.77.173.181 include:spf.protection.outlook.com include:ngdesk.com include:n3plcpnl0124.prod.ams3.secureserver.net include:spf.uk.exclaimer.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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

2 records
  • google-site-verification=9h8g2kNWRAe8PHY4Nrp5I1OuMOmV6ZpWmYilr6b0TUU
  • SPFv=spf1 ipv4:82.21.194.225 ipv4:79.78.150.65 ipv4:79.77.173.181 include:spf.protection.outlook.com include:ngdesk.com include:n3plcpnl0124.prod.ams3.secureserver.net include:spf.uk.exclaimer.net -all
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