cornerstonepg.com

Valid Email Server
Domain Lookup › cornerstonepg.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 12:22:32 UTC · ↺ Refresh

MX Hostnames

  • cornerstonepg-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 66.113.136.229 (no PTR)

Mail Server IPs

  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA a.dns.hostway.net hostmaster.cornerstonepg.com 2025090118 172800 900 1209600 3600
Primary NS (mname)
a.dns.hostway.net
Admin Email (rname)
hostmaster@cornerstonepg.com
Serial
2025090118
Refresh
172800s
Retry
900s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

b.dns.hostway.net
a.dns.hostway.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

✗ 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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=61Cl6DlLfLvv9PNAx6Vyrwe9hRtBzRjc3aHY7Fv_c-U
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