Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tccholdings.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:01:04 UTC · ↺ Refresh
MX Hostnames
- tccholdings-com.mail.protection.outlook.com
MX Priorities
- tccholdings-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.167.201.209 (no PTR)
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ace.ns.cloudflare.com dns.cloudflare.com 2398645460 10000 2400 604800 1800
Primary NS (mname)
ace.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398645460
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
molly.ns.cloudflare.com
ace.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:50.21.186.254 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf.sendinblue.com include:email.freshservice.com include:spf-us.emailsignatures365.com include:spf.usaepay.com include:ebizcharge.net ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
5 records- apple-domain-verification=H0MNiu2aKcmahkSC
- knowbe4-site-verification=c071eac84df266152646b08e7b1c43d5
- sendinblue-code:d30fa910b2a2d76271d8f3e379899828
- SPFv=spf1 mx ip4:50.21.186.254 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:spf.sendinblue.com include:email.freshservice.com include:spf-us.emailsignatures365.com include:spf.usaepay.com include:ebizcharge.net ~all
- MS=ms23663231
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