Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cooksonelectronics.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:58:24 UTC · ↺ Refresh
MX Hostnames
- cooksonelectronics-com.mail.protection.outlook.com
MX Priorities
- cooksonelectronics-com.mail.protection.outlook.com: 0
A / AAAA Records
- 13.107.246.40 (no PTR)
- 13.107.213.40 (no PTR)
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-05.azure-dns.net
ns3-05.azure-dns.org
ns4-05.azure-dns.info
ns1-05.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:162.17.227.73 ip4:100.1.64.78 ip4:208.49.45.33 ip4:95.138.202.52 ip4:213.23.88.156 ip4:115.160.142.61 ip4:104.209.183.133 ip4:104.209.183.133/32 ip4:199.73.55.35/32 include:spf.protection.outlook.com ip4:213.41.42.92 ip4:213.41.42.93 ip4:140.82.203.140 ip4:185.114.122.71 ip4:149.20.199.238 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;ri=86400;rua=mailto:[email protected], mailto:[email protected];ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- SPFv=spf1 ip4:162.17.227.73 ip4:100.1.64.78 ip4:208.49.45.33 ip4:95.138.202.52 ip4:213.23.88.156 ip4:115.160.142.61 ip4:104.209.183.133 ip4:104.209.183.133/32 ip4:199.73.55.35/32 include:spf.protection.outlook.com ip4:213.41.42.92 ip4:213.41.42.93 ip4:140.82.203.140 ip4:185.114.122.71 ip4:149.20.199.238 -all
- MS=ms69837136
- Ms=ms29151292
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