Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dtroofing.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 01:49:36 UTC · ↺ Refresh
MX Hostnames
- mail.dtroofing.ca
MX Priorities
- mail.dtroofing.ca: 10
A / AAAA Records
- 198.84.223.107 ↩ 198-84-223-107.cpe.teksavvy.com
Mail Server IPs
- 198.84.223.107 ↩ 198-84-223-107.cpe.teksavvy.com
SOA Record
Raw SOA
ns1.keynetzonline.com david.dtroofing.ca 2025121101 7200 540 64800 180
Primary NS (mname)
ns1.keynetzonline.com
Admin Email (rname)
david@dtroofing.ca
Serial
2025121101
Refresh
7200s
Retry
540s
Expire
64800s
Minimum TTL
180s
Nameservers (NS)
ns1.keynetzonline.com
ns2.keynetzonline.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 mx a ~all
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
See demo & docs
Deep verification
Full email verification for dtroofing.ca
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits