tjsdd.com

Valid Email Server
Domain Lookup › tjsdd.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tjsdd.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 20:57:28 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • tjsdd-com.mail.protection.outlook.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 10
  • us-smtp-inbound-2.mimecast.com: 10
  • tjsdd-com.mail.protection.outlook.com: 20

A / AAAA Records

  • 172.67.198.113
  • 104.21.60.172
  • 2606:4700:3032::ac43:c671
  • 2606:4700:3036::6815:3cac

Mail Server IPs

  • 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::
  • 2a01:111:f403:c902::14
  • 2a01:111:f403:f908::
  • 2a01:111:f403:c902::3

SOA Record

Raw SOA cullen.ns.cloudflare.com dns.cloudflare.com 2397193071 10000 2400 604800 1800
Primary NS (mname)
cullen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397193071
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lilyana.ns.cloudflare.com
cullen.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:67.220.100.128/28 ip4:66.251.199.0/24 ip4:66.251.198.146/29 ip4:47.44.34.128/28 ip4:207.201.216.16/28 ip4:50.20.2.240/32 include:_netblocks.mimecast.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

2 records
  • SPFv=spf1 ip4:67.220.100.128/28 ip4:66.251.199.0/24 ip4:66.251.198.146/29 ip4:47.44.34.128/28 ip4:207.201.216.16/28 ip4:50.20.2.240/32 include:_netblocks.mimecast.com include:spf.protection.outlook.com -all
  • google-site-verification=JsYg_2sp_fNbLMMWHq7DwEZiDWIuBfNjeph7nO_fV2w
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