trs-sesco.com

Valid Email Server
Domain Lookup › trs-sesco.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
trs-sesco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 06:26:58 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

  • 141.193.213.10 (no PTR)
  • 141.193.213.11 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA dns1.cscdns.net hostmaster.cscdns.net 2023021604 28800 7200 604800 14400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2023021604
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s

Nameservers (NS)

dns1.cscdns.net
dns2.cscdns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:emailsrvr.com include:spf.protection.outlook.com include:us._netblocks.mimecast.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

8 records
  • google-site-verification=SvWiTafOUJrPlQP_RcU-crNC5AVLPXwc2t7dmN0iO50
  • SPFv=spf1 include:emailsrvr.com include:spf.protection.outlook.com include:us._netblocks.mimecast.com ~all
  • ms19379226
  • MS=ms54605710
  • MS=ms69158320
  • 20181015-r5a1nvh0._domainkey
  • 0ed1fe018a00d1b507d98b4f849e6ac178df422846
  • MS=64E905E604C3BC1532CC4D586388054FF858A61F
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