tcs-ok.com

Valid Email Server
Domain Lookup › tcs-ok.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tcs-ok.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 13:58:52 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 10
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 107.180.3.168 ↩ 168.3.180.107.host.secureserver.net

Mail Server IPs

  • 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA grace.ns.cloudflare.com dns.cloudflare.com 2396744139 10000 2400 604800 1800
Primary NS (mname)
grace.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396744139
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

jobs.ns.cloudflare.com
grace.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=ybr5-UKsEm2cz9cK3nHCynrmPl98DSF6ehj2LB9s7OY
  • SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com -all
  • 0ed1fe018a879df117da304a6389684bf6b05a7b5f
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