Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
securebuilt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 03:15:42 UTC · ↺ Refresh
MX Hostnames
- securebuilt-com.mail.protection.outlook.com
MX Priorities
- securebuilt-com.mail.protection.outlook.com: 0
A / AAAA Records
- 69.28.95.66 ↩ web011.nsource.com
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.nsource.com hostmaster.securebuilt.com 2020110202 10800 3600 2592000 3600
Primary NS (mname)
ns01.nsource.com
Admin Email (rname)
hostmaster@securebuilt.com
Serial
2020110202
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
3600s
Nameservers (NS)
ns01.nsource.com
ns02.nsource.com
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
✗ 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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=DILonsn1iLX8IZ0wM1cqM7KJ9_eL60KCxGRGU9z6ZNg
Full email verification for securebuilt.com
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