Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rndsqr.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:32:15 UTC · ↺ Refresh
MX Hostnames
- mx-cluster-ca-fallback.hornetsecurity.com
- mx-cluster-ca03.hornetsecurity.com
- rndsqr-ca.mail.protection.outlook.com
- mx-cluster-ca01.hornetsecurity.com
- mx-cluster-ca02.hornetsecurity.com
MX Priorities
- mx-cluster-ca03.hornetsecurity.com: 30
- mx-cluster-ca-fallback.hornetsecurity.com: 40
- rndsqr-ca.mail.protection.outlook.com: 90
- mx-cluster-ca01.hornetsecurity.com: 10
- mx-cluster-ca02.hornetsecurity.com: 20
A / AAAA Records
- 198.185.159.144
- 198.49.23.144
- 198.49.23.145
- 198.185.159.145
Mail Server IPs
- 209.172.38.68 ↩ hsmx01-hz11.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 108.163.133.231
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1762800747 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1762800747
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns1.registrar-servers.com
dns2.registrar-servers.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com -all
- MS=ms10484301
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