Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nlhbuilders.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 00:19:07 UTC · ↺ Refresh
MX Hostnames
- nlhbuilders-com.mail.protection.outlook.com
MX Priorities
- nlhbuilders-com.mail.protection.outlook.com: 0
A / AAAA Records
- 67.222.24.20 (no PTR)
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
us2.mercury.orderbox-dns.com cbarlow.synerteck.com 2025012201 7200 7200 172800 7200
Primary NS (mname)
us2.mercury.orderbox-dns.com
Admin Email (rname)
cbarlow@synerteck.com
Serial
2025012201
Refresh
7200s
Retry
7200s
Expire
172800s
Minimum TTL
7200s
Nameservers (NS)
us2.mars.orderbox-dns.com
us2.earth.orderbox-dns.com
us2.venus.orderbox-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.60.120.122 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- google-site-verification=ivumznrogBYP0olg49PaLlwr-Y7JzJ1sr8YEZQRCxso
- SPFv=spf1 ip4:66.60.120.122 include:spf.protection.outlook.com -all
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