Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bestplumbers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 02:02:39 UTC · ↺ Refresh
MX Hostnames
- bestplumbers-com.mail.protection.outlook.com
MX Priorities
- bestplumbers-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.2.207 (no PTR)
- 104.26.3.207 (no PTR)
- 172.67.72.145
- 2606:4700:20::ac43:4891
- 2606:4700:20::681a:3cf
- 2606:4700:20::681a:2cf
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
marge.ns.cloudflare.com dns.cloudflare.com 2399130727 10000 2400 604800 1800
Primary NS (mname)
marge.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399130727
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
plato.ns.cloudflare.com
marge.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- SPFv=spf1 include:secureserver.net -all
- NETORGFT13775241.onmicrosoft.com
- google-site-verification=-_8jzMDW0i0BHQEakyDOaOkyVTT6qP3LQj0VdRWmm28
- SPFv=spf1 +a +mx ip4:66.147.237.28 include:sendgrid.net ~all
Full email verification for bestplumbers.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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