Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ndbt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 02:55:40 UTC · ↺ Refresh
MX Hostnames
- ndbt-com.mail.protection.outlook.com
MX Priorities
- ndbt-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.197.240.156 ↩ 156.240.197.104.bc.googleusercontent.com
Mail Server IPs
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns63.worldnic.com namehost.worldnic.com 125011714 10800 3600 604800 3600
Primary NS (mname)
ns63.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125011714
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns63.worldnic.com
ns64.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.ndbt.com include:spf2.ndbt.com include:spf3.ndbt.com include:_custspf.sageworks.com include:sg.cloud.kaseya.net ip4:216.116.87.142 ip4:149.72.182.166 ip4:149.72.39.215 include:spf.protection.outlook.com include:_spf.optimalblue.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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=RlYEwqX2oVxBPxl2L62v3mh_jNnrk4U--gLkgyOwxw4
- SPFv=spf1 include:spf1.ndbt.com include:spf2.ndbt.com include:spf3.ndbt.com include:_custspf.sageworks.com include:sg.cloud.kaseya.net ip4:216.116.87.142 ip4:149.72.182.166 ip4:149.72.39.215 include:spf.protection.outlook.com include:_spf.optimalblue.com -all
Full email verification for ndbt.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits