cornerstonegrp.com

Valid Email Server
Domain Lookup › cornerstonegrp.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cornerstonegrp.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-08-29 12:53:41 UTC · ↺ Refresh

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MX Hostnames

  • mx1-us1.ppe-hosted.com
  • mx2-us1.ppe-hosted.com

MX Priorities

  • mx1-us1.ppe-hosted.com: 10
  • mx2-us1.ppe-hosted.com: 20

A / AAAA Records

  • 151.101.66.159 (no PTR)

Mail Server IPs

  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com

SOA Record

Raw SOA ns51.domaincontrol.com dns.jomax.net 2026071400 28800 7200 604800 3600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026071400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns51.domaincontrol.com
ns52.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:12.39.11.34 ip4:104.156.184.0/23 ip4:64.18.4.12 ip4:12.39.11.35 ip4:12.39.11.41 ip4:65.97.189.27 ip4:12.8.212.34 a:owa.emailcg.com a:pcusmtp224.yardi.com a:pcusmtp225.yardi.com include:_spf-us.ppe-hosted.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

8 records
  • openai-domain-verification=dv-Sh0v3r45CezowBsA4Dfl7uXT
  • anthropic-domain-verification-kqwehf=pearalryQIbOFbDAqXdHCTE2Y
  • SPFv=spf1 mx ip4:12.39.11.34 ip4:104.156.184.0/23 ip4:64.18.4.12 ip4:12.39.11.35 ip4:12.39.11.41 ip4:65.97.189.27 ip4:12.8.212.34 a:owa.emailcg.com a:pcusmtp224.yardi.com a:pcusmtp225.yardi.com include:_spf-us.ppe-hosted.com ~all
  • MS=1D179A57DEA3DBA490EC9919F7F0CC2B391EE805
  • MS=0DFCA06DD8899D5FBAF4E288ADD7345A48A4A0BA
  • v=verifydomain MS=9741979
  • ppe-f28c94b29ab4219b4107
  • apple-domain-verification=lV9SRow1qxYXpLCa
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