Domain Overview
DNS: ✓ 5h ago
Checker: ✓ 5h ago
rdcindustrial.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 04:53:57 UTC · ↺ Refresh
MX Hostnames
- rdcindustrial-com.mail.protection.outlook.com
MX Priorities
- rdcindustrial-com.mail.protection.outlook.com: 0
A / AAAA Records
- 201.220.156.247 ↩ ns21.ecohost.la
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
darwin.ns.cloudflare.com dns.cloudflare.com 2399879962 10000 2400 604800 1800
Primary NS (mname)
darwin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399879962
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dorthy.ns.cloudflare.com
darwin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:201.220.156.239 +ip4:201.220.156.247 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 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
3 records- MS=ms54653250
- SPFv=spf1 +a +mx +ip4:201.220.156.239 +ip4:201.220.156.247 include:spf.protection.outlook.com -all
- MS=DF478A3B71AC96E652DBFBE9F653A846EF436FDA
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