masonbros.com

Valid Email Server
Domain Lookup › masonbros.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
masonbros.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 05:51:38 UTC · ↺ Refresh

MX Hostnames

  • masonbros-com.mail.protection.outlook.com

MX Priorities

  • masonbros-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 64.91.247.150 ↩ host3.fastersolutions.com

Mail Server IPs

  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA paloma.ns.cloudflare.com dns.cloudflare.com 2398757530 10000 2400 604800 1800
Primary NS (mname)
paloma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398757530
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

renan.ns.cloudflare.com
paloma.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.prod.hydra.sophos.com include:spf.protection.outlook.com ip4:216.189.128.29 ip4:216.189.128.26 ip4:63.142.184.69 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • 1vdkdm8dabd7alqdhe3n4u8kbl
  • MS=03B51618D4D362E3CA4C79FC7CB23C118EBF7A86
  • _globalsign-domain-verification=3I_1bbflW7UoTFAJp3uGHY6utgR5w0gimRpLuwxNHB
  • sophos-domain-verification=06f84d856135f5ad894c4b0f0501fbfc61caf66d
  • SPFv=spf1 include:_spf.prod.hydra.sophos.com include:spf.protection.outlook.com ip4:216.189.128.29 ip4:216.189.128.26 ip4:63.142.184.69 -all
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