colasconstruction.com

Valid Email Server
Domain Lookup › colasconstruction.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 02:51:14 UTC · ↺ Refresh

MX Hostnames

  • colasconstruction-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 35.215.91.154 ↩ 154.91.215.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com

SOA Record

Raw SOA ns77.domaincontrol.com dns.jomax.net 2026020605 28800 7200 604800 600
Primary NS (mname)
ns77.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020605
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns77.domaincontrol.com
ns78.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:panteramail.net include:spf.protection.outlook.com include:sendgrid.net -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

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • iie1702qol0irtsgt2li3d9a49
  • google-site-verification=5faGfsIQDum9jf1TK9l6cvtgOWoHqh11ErcRLhaSWV8
  • apple-domain-verification=2sBIegMeSvn0KAMr
  • SPFv=spf1 include:panteramail.net include:spf.protection.outlook.com include:sendgrid.net -all
  • smartsheet-site-validation=u9rCzfwZ3do_LRSV5ZvwxXcvxPCbBVo0
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