postnet.ca

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
postnet.ca
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 09:46:08 UTC · ↺ Refresh

MX Hostnames

  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10

A / AAAA Records

  • 104.198.5.152

Mail Server IPs

  • 172.253.122.27 ↩ bh-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net

SOA Record

Raw SOA pdns07.domaincontrol.com dns.jomax.net 2026022500 28800 7200 604800 3600
Primary NS (mname)
pdns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

pdns07.domaincontrol.com
pdns08.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:64.78.151.128/26 ip4:216.241.183.0/24 ip4:69.20.92.138 ip4:69.20.40.89 ip4:69.20.103.147 ip4:69.20.120.149 ip4:69.20.40.94 ip4:69.20.104.41 ip4:69.167.142.251 ip4:69.167.142.26 ip4:69.167.142.27 ip4:69.167.142.28 ip4:69.167.142.252 ip4:69.167.142.253 ip4:69.167.142.254 ip4:69.167.142.255 ip4:63.134.207.1/24 ip4:216.197.96.178 ip4:64.78.151.128/26 ip4:216.241.183.0/24 include:_spf.google.com include:spf-00854201.pphosted.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; adkim=s; aspf=s; pct=100; fo=0:1:d:s; rf=afrf; ri=3600
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • google-site-verification=b7BGofNyRENNvMTIUR6EAJ9cZoOBttdpzHrSYRkIt-A
  • google-site-verification=aE-YBpWo0vPtAIuyPcZxiihu9n404ozy7NBs-g4LSyo
  • amazonses:jAwkkMv4JUO4AHKTzb3t82aqyEyhFJhx/F/hGZ5uGaM=
  • google-site-verification=aTCw6BMLolipIFsAbKQ9vTnNR5gI7KCujx-ZVfo4hJQ
  • SPFv=spf1 a mx ip4:64.78.151.128/26 ip4:216.241.183.0/24 ip4:69.20.92.138 ip4:69.20.40.89 ip4:69.20.103.147 ip4:69.20.120.149 ip4:69.20.40.94 ip4:69.20.104.41 ip4:69.167.142.251 ip4:69.167.142.26 ip4:69.167.142.27 ip4:69.167.142.28 ip4:69.167.142.252 ip4:69.167.142.253 ip4:69.167.142.254 ip4:69.167.142.255 ip4:63.134.207.1/24 ip4:216.197.96.178 ip4:64.78.151.128/26 ip4:216.241.183.0/24 include:_spf.google.com include:spf-00854201.pphosted.com ~all
  • google-site-verification=5t0drsGWRBIPdUV598a1arjqyRfCNaR1kBk-TrTnJ1w
  • google-site-verification=6cz1QctRuu2Wp26smE1gs--aLyxaMlHM6wwLfw4x-zM
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