johnstoneperio.com

Valid Email Server
Domain Lookup › johnstoneperio.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
johnstoneperio.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 08:45:14 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 172.67.139.2 (no PTR)
  • 104.21.54.143
  • 2606:4700:3037::ac43:8b02
  • 2606:4700:3032::6815:368f

Mail Server IPs

  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 172.253.122.26 ↩ bh-in-f26.1e100.net
  • 172.253.63.27 ↩ bi-in-f27.1e100.net
  • 172.253.115.27 ↩ bg-in-f27.1e100.net
  • 172.253.115.26 ↩ bg-in-f26.1e100.net
  • 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
  • 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
  • 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net

SOA Record

Raw SOA graham.ns.cloudflare.com dns.cloudflare.com 2398168356 10000 2400 604800 1800
Primary NS (mname)
graham.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398168356
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

june.ns.cloudflare.com
graham.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.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

✗ 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

3 records
  • SPFv=spf1 include:_spf.google.com -all
  • MS=D991C52B86379C0676DB2A992BBBC17D23A85276
  • google-site-verification=3KFRK_n5JHHIAg_dno0_BZi_QGnaGAOA2GidmrmNZjA
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