Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tcbmag.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 14:57:23 UTC · ↺ Refresh
MX Hostnames
- mspcommunications-mx1.titanhq.com
- mspcommunications-mx2.titanhq.com
MX Priorities
- mspcommunications-mx1.titanhq.com: 1
- mspcommunications-mx2.titanhq.com: 10
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 18.189.8.252 ↩ us2-smtp2.titanhq.com
- 3.140.150.54 ↩ us2-smtp3.titanhq.com
- 18.216.227.84 ↩ us2-smtp1.titanhq.com
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2008012979 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2008012979
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns3.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns0.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns4.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 a:webmail2.keyinvestment.com ip4:38.58.160.140 include:spf.protection.outlook.com include:spf.client.magazinemanager.com include:hubspotemail.net ip4:158.247.22.168 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; sp=none; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
3 records- apple-domain-verification=H2575BZEXUveC9Yb
- SPFv=spf1 a:webmail2.keyinvestment.com ip4:38.58.160.140 include:spf.protection.outlook.com include:spf.client.magazinemanager.com include:hubspotemail.net ip4:158.247.22.168 -all
- MS=ms43527788
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