Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
diamond-electric.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 18:40:36 UTC · ↺ Refresh
MX Hostnames
- diamondelectric-com01i.mail.protection.outlook.com
MX Priorities
- diamondelectric-com01i.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.159.174 (no PTR)
- 104.21.14.144 (no PTR)
- 2606:4700:3033::ac43:9fae
- 2606:4700:3036::6815:e90
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
derek.ns.cloudflare.com dns.cloudflare.com 2396781113 10000 2400 604800 1800
Primary NS (mname)
derek.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396781113
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
uma.ns.cloudflare.com
derek.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:108.233.172.5 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:108.233.172.5 include:spf.protection.outlook.com -all
- MS=ms10221192
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