grandjean.net

Valid Email Server
Domain Lookup › grandjean.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grandjean.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 03:14:58 UTC · ↺ Refresh

MX Hostnames

  • grandjean-net.mail.protection.outlook.com

MX Priorities

  • grandjean-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 108.59.4.161 ↩ opal1.opalstack.com

Mail Server IPs

  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com

SOA Record

Raw SOA ns3.us.opalstack.com hostmaster.grandjean.net 2026032303 10800 3600 1814400 3600
Primary NS (mname)
ns3.us.opalstack.com
Admin Email (rname)
hostmaster@grandjean.net
Serial
2026032303
Refresh
10800s
Retry
3600s
Expire
1814400s
Minimum TTL
3600s

Nameservers (NS)

ns1.us.opalstack.com
ns2.us.opalstack.com
ns3.us.opalstack.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.opalstack.com include:_spf.mlsend.com a:_spf.google.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
✓ Public key: 392 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

4 records
  • cursor-domain-verification-vm0w0s=s5u5gJwwZxpnsJ6c2mq3BE70Q
  • MS=5E33B92EE5D0F5048956ECE8188C3D74EF538D1E
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.opalstack.com include:_spf.mlsend.com a:_spf.google.com ~all
  • google-site-verification=HYD4NnXUEEgZUx2iAipi-hJKqOmvOuan66mGS9gcTMU
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