krconstructiongroupinc.com

Valid Email Server
Domain Lookup › krconstructiongroupinc.com

Domain Overview

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

Checked via [email protected] · 2026-03-26 07:02:12 UTC · ↺ Refresh

MX Hostnames

  • krconstructiongroupinc-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 198.49.23.144 (no PTR)
  • 198.49.23.145 (no PTR)
  • 198.185.159.144
  • 198.185.159.145

Mail Server IPs

  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.p01.nsone.net hostmaster.nsone.net 1707459637 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1707459637
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p02.nsone.net
dns2.p02.nsone.net
dns3.p02.nsone.net
dns4.p02.nsone.net

SPF Record

✓ Strict (-all)
v=spf1 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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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 -all
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