invariantgr.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-21 01:53:18 UTC · ↺ Refresh

MX Hostnames

  • invariantgr-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 107.180.12.113 ↩ 113.12.180.107.host.secureserver.net

Mail Server IPs

  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA ns17.domaincontrol.com dns.jomax.net 2025091404 28800 7200 604800 600
Primary NS (mname)
ns17.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025091404
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns18.domaincontrol.com
ns17.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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

8 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=N0WNm_ko-etck00bR8GlqkdgpZeNVx34xGr-PHUmP_0
  • ppe-affcf54452cdb8a9e0de451fe95bba69e05a33de
  • 2198957
  • google-site-verification=eUX8uepGFlverY0hexPqFlEqt_BOvlt4OT8LHBGpu-I
  • google-site-verification=rzMkGnbB84GulNgyNeB_EySMwCF-l1qXtBm65uawZtk
  • ZOOM_verify_3nPxmBXARkmpiWLXQCMDxw
  • intacct-esk=2D58C93530DAC18AE0638886710A03D1
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