Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
skstartup.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 11:26:41 UTC · ↺ Refresh
MX Hostnames
- skstartup-ca.mail.protection.outlook.com
MX Priorities
- skstartup-ca.mail.protection.outlook.com: 0
A / AAAA Records
- 167.99.176.137 (no PTR)
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.varialhosting.com admin.varialhosting.com 2024020600 3600 7200 1209600 86400
Primary NS (mname)
ns1.varialhosting.com
Admin Email (rname)
admin@varialhosting.com
Serial
2024020600
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.varialhosting.com
ns2.varialhosting.com
ns4.varialhosting.com
ns1.varialhosting.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.sendinblue.com mx a ip4:69.27.124.170 ip4:64.15.130.213 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 include:spf.protection.outlook.com include:21908651.spf07.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.sendinblue.com mx a ip4:69.27.124.170 ip4:64.15.130.213 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 include:spf.protection.outlook.com include:21908651.spf07.hubspotemail.net -all
- MS=ms12833956
- google-site-verification=-cZuHz92Pes8WGocK58hBGmZLn_MCW9NmWjnrpomBvk
- Sendinblue-code:f5ffa47db4b7492f2ef79433361edf3f
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 skstartup.ca
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits