Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tcr.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 00:00:55 UTC · ↺ Refresh
MX Hostnames
- tcr-com.mail.protection.outlook.com
MX Priorities
- tcr-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns99.worldnic.com namehost.worldnic.com 125040412 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125040412
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns100.worldnic.com
ns99.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
11 records- dropbox-domain-verification=7b6291qyugta
- openai-domain-verification=dv-ix8jAa3huowagAenOGZFS9ff
- MS=ms37818262
- apple-domain-verification=vLZ9KjTwWxbToiEK
- MS=ms78153743
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:_spf.salesforce.com -all
- docusign=65810d0a-aa69-4d01-842b-bbb9bf823894
- knowbe4-site-verification=75198f14f87d5f4293f74576c2fc0aca
- bluebeam-verification=vf1sto9ebl6pyi1c2x0knob1x0svob
- T0R0A65837
- AXS1QOV3Pg7XTErYEIgI3HOSueXWYwGpSDBIbd4e394WknKCiJYSgGsX8QYW6eC+w8weAR1szb/gaFe8u2Cj0Q==
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