johnstoneadams.com

Valid Email Server
Domain Lookup › johnstoneadams.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 18:06:59 UTC · ↺ Refresh

MX Hostnames

  • johnstoneadams-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 35.172.94.1 ↩ staticip.multiscreensite.com
  • 100.24.208.97 ↩ staticip2.multiscreensite.com

Mail Server IPs

  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.mydyndns.org zone-admin.dyndns.com 2014060596 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2014060596
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ns2180.dns.dyn.com
ns1183.dns.dyn.com
ns3162.dns.dyn.com
ns4132.dns.dyn.com

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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • dtcbj1jx3nr1jkywg744ywd7x574qjwj
  • _a3fsx7o6n77fjidpcbcg5cynoo30lx5
  • _qtksy1hwskgk5we86tazf6inhc7ne1a
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