butlerscontracting.ca

Valid Email Server
Domain Lookup › butlerscontracting.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
butlerscontracting.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 07:46:24 UTC · ↺ Refresh

MX Hostnames

  • butlerscontracting-ca.mail.protection.outlook.com

MX Priorities

  • butlerscontracting-ca.mail.protection.outlook.com: 0

A / AAAA Records

  • 192.95.37.21 ↩ virt3.boomit.ca

Mail Server IPs

  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.boomit.ca webmaster.boomit.ca 2026030201 43200 7200 2419200 86400
Primary NS (mname)
ns01.boomit.ca
Admin Email (rname)
webmaster@boomit.ca
Serial
2026030201
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s

Nameservers (NS)

ns01.boomit.ca
ns02.boomit.ca

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:192.95.37.21 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • SPFv=spf1 +a +mx +ip4:192.95.37.21 +include:spf.protection.outlook.com -all
  • MS=ms69112098
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