Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coredevelopment.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:11:04 UTC · ↺ Refresh
MX Hostnames
- coredevelopment-ca.mail.protection.outlook.com
MX Priorities
- coredevelopment-ca.mail.protection.outlook.com: 0
A / AAAA Records
- 107.180.44.144 ↩ 144.44.180.107.host.secureserver.net
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns69.domaincontrol.com dns.jomax.net 2024040402 28800 7200 604800 600
Primary NS (mname)
ns69.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024040402
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns69.domaincontrol.com
ns70.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com ip4:142.112.91.149 ip4:70.52.166.182 ip4:66.207.192.170 include:asp-spf1.yardi.com include:asp-spf2.yardi.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
3 records- google-site-verification=l47Os0uUs7z1ny9tCXAxuksq7fW5Kr_Ah7-k6XoT5Tc
- SPFv=spf1 include:_spf.google.com ip4:142.112.91.149 ip4:70.52.166.182 ip4:66.207.192.170 include:asp-spf1.yardi.com include:asp-spf2.yardi.com include:spf.protection.outlook.com -all
- MS=ms45543201
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