columbiaroofing.com

Valid Email Server
Domain Lookup › columbiaroofing.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 10:25:23 UTC · ↺ Refresh

MX Hostnames

  • columbiaroofing-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 160.153.0.110 ↩ 110.0.153.160.host.secureserver.net

Mail Server IPs

  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA dns.site5.com hostmaster.site5.com 2025082000 3600 3600 604800 3600
Primary NS (mname)
dns.site5.com
Admin Email (rname)
hostmaster@site5.com
Serial
2025082000
Refresh
3600s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns.site5.com
dns2.site5.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:162.215.248.146 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • google-site-verification=RzdyZ8XwEYkz5X60CkKdzZ92UWoIS1bEWQBuS9I0Nt4
  • rnn41qicl85v32gro3fls0h4r7
  • SPFv=spf1 ip4:162.215.248.146 include:spf.protection.outlook.com -all
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