Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vianet.ca
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 00:24:47 UTC · ↺ Refresh
MX Hostnames
- mx3.vianet.ca
- mx2.vianet.ca
- mx1.vianet.ca
- mx4.vianet.ca
MX Priorities
- mx3.vianet.ca: 10
- mx2.vianet.ca: 10
- mx4.vianet.ca: 10
- mx1.vianet.ca: 10
A / AAAA Records
- 209.91.137.192 (no PTR)
- 209.91.137.194 (no PTR)
Mail Server IPs
- 209.91.128.23 ↩ mx3.vianet.ca
- 209.91.128.22 ↩ mx2.vianet.ca
- 209.91.128.24 ↩ mx4.vianet.ca
- 209.91.128.21 ↩ mx1.vianet.ca
SOA Record
Raw SOA
gwn.vianet.ca hostmaster.vianet.ca 1774097942 600 900 604800 900
Primary NS (mname)
gwn.vianet.ca
Admin Email (rname)
hostmaster@vianet.ca
Serial
1774097942
Refresh
600s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns3.vianet.ca
ns1.vianet.ca
ns4.vianet.ca
ns2.vianet.ca
ns5.vianet.ca
ns6.vianet.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:209.91.128.0/26 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- SPFv=spf1 ip4:209.91.128.0/26 include:spf.protection.outlook.com ~all
- 20250616145714103ck4881r0ylbwukyimif9z2tkyngl9sqoed7muim8s81q699
- MS=ms89240832
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