pacbuilders.com

Valid Email Server
Domain Lookup › pacbuilders.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 12:31:22 UTC · ↺ Refresh

MX Hostnames

  • pacbuilders-com.mail.protection.outlook.com

MX Priorities

  • pacbuilders-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns-477.awsdns-59.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-477.awsdns-59.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-605.awsdns-11.net
ns-1261.awsdns-29.org
ns-1891.awsdns-44.co.uk
ns-477.awsdns-59.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:206.125.47.202 ip4:12.105.233.226 include:spf.mtaroutes.com -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

✗ None detected

No 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com ip4:206.125.47.202 ip4:12.105.233.226 include:spf.mtaroutes.com -all
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