rupertcf.com

Valid Email Server
Domain Lookup › rupertcf.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rupertcf.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 10:16:50 UTC · ↺ Refresh

MX Hostnames

  • rupertcf-com.mail.protection.outlook.com

MX Priorities

  • rupertcf-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 75.2.70.75 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
  • 99.83.190.102 ↩ aacb0a264e514dd48.awsglobalaccelerator.com

Mail Server IPs

  • 52.101.192.0 ↩ mail-yqzpr01cu00900.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:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.supportedns.com draason.verissolutions.ca 2026032702 3600 7200 1209600 86400
Primary NS (mname)
ns1.supportedns.com
Admin Email (rname)
draason@verissolutions.ca
Serial
2026032702
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.supportedns.com
ns1.supportedns.com
ns3.supportedns.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:162.244.254.105 include:_spf.supportedns.com +include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No 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

1 record
  • SPFv=spf1 +a +mx +ip4:162.244.254.105 include:_spf.supportedns.com +include:spf.protection.outlook.com -all
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