Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
idw-usa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 08:58:12 UTC · ↺ Refresh
MX Hostnames
- idwusa-com0i.mail.protection.outlook.com
MX Priorities
- idwusa-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 143.198.246.116 (no PTR)
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns17.worldnic.com namehost\@worldnic.com 124082914 10800 3600 604800 3600
Primary NS (mname)
ns17.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
124082914
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns17.worldnic.com
ns18.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:97.93.171.200 ip4:47.44.204.100 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
2 records- google-site-verification=b_eq7w8PCRkw9A4c_fuKxadGWoXMpG89jr6Q6srWOCs
- SPFv=spf1 ip4:97.93.171.200 ip4:47.44.204.100 include:spf.protection.outlook.com -all
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