Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
revenuedistrict.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 23:15:14 UTC · ↺ Refresh
MX Hostnames
- mail.revenuedistrict.ca
MX Priorities
- mail.revenuedistrict.ca: 0
A / AAAA Records
- 70.32.23.81 ↩ mi3-ss58.a2hosting.com
Mail Server IPs
- 70.32.23.81 ↩ mi3-ss58.a2hosting.com
SOA Record
Raw SOA
ns1.a2hosting.com root.mi3-ss58.a2hosting.com 2026020201 3600 1800 1209600 86400
Primary NS (mname)
ns1.a2hosting.com
Admin Email (rname)
root@mi3-ss58.a2hosting.com
Serial
2026020201
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.a2hosting.com
ns2.a2hosting.com
ns3.a2hosting.com
ns4.a2hosting.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:70.32.23.81 include:spf.a2hosting.com +a +mx +ip4:69.28.199.160 +include:spf.antispamcloud.com +ip4:69.90.162.180 +include:spf.antispamcloud.com +include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=ZV1Mk77kq1w4KKrCo-juKHY1QjR8P-LeK1rW3UP6EUE
- SPFv=spf1 ip4:70.32.23.81 include:spf.a2hosting.com +a +mx +ip4:69.28.199.160 +include:spf.antispamcloud.com +ip4:69.90.162.180 +include:spf.antispamcloud.com +include:spf.protection.outlook.com -all
- MS=ms93303850
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 revenuedistrict.ca
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits