johnsondevelopment.net

Valid Email Server
Domain Lookup › johnsondevelopment.net

Domain Overview

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

Checked via [email protected] · 2026-03-21 20:26:19 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.67.160.218 (no PTR)
  • 104.21.15.2 (no PTR)
  • 2606:4700:3032::6815:f02
  • 2606:4700:3036::ac43:a0da

Mail Server IPs

  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com

SOA Record

Raw SOA emma.ns.cloudflare.com dns.cloudflare.com 2398432173 10000 2400 604800 1800
Primary NS (mname)
emma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398432173
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

hans.ns.cloudflare.com
emma.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:69.84.87.254 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:mailgun.org include:spfa.cpmails.com ip4:128.92.67.146 ip4:65.26.45.202 ip4:71.41.62.98 ~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

✓ 2 found
selector1._domainkey
selector2._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

7 records
  • 9ckg5vilv3kqfbpoap42aqj84k
  • MS=97753FB36CB875DD8241B52F480866BF00EBBF99
  • MS=ms37376748
  • dt67hd3kguv9ubu6nt3uagnh59
  • hgi57sj6fdtq65unue37gufqsj
  • SPFv=spf1 ip4:69.84.87.254 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com include:mailgun.org include:spfa.cpmails.com ip4:128.92.67.146 ip4:65.26.45.202 ip4:71.41.62.98 ~all
  • 2Nz0vWe42ABZeFllB11z+twOLnj69IpspjvWHvuGeR1qtjiG41pu0IuFJa1UzIiUGdeRneA9lqr1mbVpb01pyA==
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