Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
clarionsudbury.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:54:19 UTC · ↺ Refresh
MX Hostnames
- mx3.vianet.ca
- mx2.vianet.ca
- mx1.vianet.ca
- mx4.vianet.ca
MX Priorities
- mx1.vianet.ca: 10
- mx2.vianet.ca: 10
- mx3.vianet.ca: 10
- mx4.vianet.ca: 10
A / AAAA Records
- 209.91.128.142 ↩ uhs1.vianet.ca
Mail Server IPs
- 209.91.128.21 ↩ mx1.vianet.ca
- 209.91.128.22 ↩ mx2.vianet.ca
- 209.91.128.23 ↩ mx3.vianet.ca
- 209.91.128.24 ↩ mx4.vianet.ca
SOA Record
Raw SOA
ns1.vianet.ca dns.vianet.ca 1654629894 3600 3600 900 900
Primary NS (mname)
ns1.vianet.ca
Admin Email (rname)
dns@vianet.ca
Serial
1654629894
Refresh
3600s
Retry
3600s
Expire
900s
Minimum TTL
900s
Nameservers (NS)
ns3.vianet.ca
ns4.vianet.ca
ns1.vianet.ca
ns2.vianet.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.vianet.ca ~all
📊 DNS lookups: 1/10
~ 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 include:_spf.vianet.ca ~all
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