dufresne.ca

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
dufresne.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 08:30:06 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx1.hc466-94.ca.iphmx.com
  • mx2.hc466-94.ca.iphmx.com

MX Priorities

  • mx1.hc466-94.ca.iphmx.com: 0
  • mx2.hc466-94.ca.iphmx.com: 1

A / AAAA Records

  • 23.227.38.32 ↩ myshopify.com

Mail Server IPs

  • 216.71.134.37 (no PTR)
  • 216.71.131.35 (no PTR)
  • 216.71.131.34 (no PTR)
  • 216.71.134.35 (no PTR)

SOA Record

Raw SOA david.ns.cloudflare.com dns.cloudflare.com 2404079842 10000 2400 604800 1800
Primary NS (mname)
david.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404079842
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

david.ns.cloudflare.com
meilani.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:216.55.211.165 ip4:167.89.71.136 ip4:208.86.168.7 ip4:135.84.68.123 ip4:206.152.14.54 a:mail.dufresne.ca include:esa1.hc466-94.ca.iphmx.com include:esa2.hc466-94.ca.iphmx.com include:esa3.hc466-94.ca.iphmx.com include:esa4.hc466-94.ca.iphmx.com include:amazonses.com include:shops.shopify.com include:spf.protection.outlook.com include:_spf.ultipro.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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

20 records
  • 490sso9drjvsd2ulfmsbrlcekd
  • 9qlpd5vfph8bedvimfci9soskh
  • MS=ms41750606
  • j5k6vak41ectch79dbbtpaftmq
  • smartsheet-site-validation=iO-p4bm6hx9i2UK0UQmKiGVwOsRLnHXb
  • egjddjlv6qa1vt4up5gcfqpr10
  • rcba29drv4f82kr723jrul4hl4
  • MS=ms67500727
  • jXGq6jPxU4secyRtnRxfZSRhz9IyXOSp4oLEAlOpu7i9Zs0nis5FyEHFj693655L/SnbdsvmsJZMqij/aFvimw==
  • anthropic-domain-verification-tjvp80=Zn2EiJIcS9yedz3YHW5IhRD4i
  • 5tzzv1f01b4sb2v2mqfltrwc7skt65r7
  • 50t8cl4kvclohrr4tdc2j4nmsi
  • 5grnllfihibe58uk43f02jnls3
  • 266inq2qq9fi38rg031o91o77f
  • SPFv=spf1 ip4:216.55.211.165 ip4:167.89.71.136 ip4:208.86.168.7 ip4:135.84.68.123 ip4:206.152.14.54 a:mail.dufresne.ca include:esa1.hc466-94.ca.iphmx.com include:esa2.hc466-94.ca.iphmx.com include:esa3.hc466-94.ca.iphmx.com include:esa4.hc466-94.ca.iphmx.com include:amazonses.com include:shops.shopify.com include:spf.protection.outlook.com include:_spf.ultipro.com ~all
  • g8t74546k16m56a3qfr2coobu2
  • knowbe4-site-verification=ee66477a1287a858141ca0ab6abbc23b
  • smartsheet-site-validation=hvawIHH68vx1VRBgtDQeNY6KT9AvZM1a
  • facebook-domain-verification=qnx3b1uwk6wy9v03b6o1tlaixjhhoe
  • amazonses:2123nJg4FBPlsZCPkEpTuSbYnnLzmuVsL4NRgKK8u4k=
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for dufresne.ca

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits