stlouisco.com

Valid Email Server
Domain Lookup › stlouisco.com

Domain Overview

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

Checked via [email protected] · 2026-03-23 15:50:38 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

  • 104.18.233.31 (no PTR)
  • 104.18.232.31 (no PTR)
  • 2606:4700::6812:e91f (no PTR)
  • 2606:4700::6812:e81f (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
  • 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA elaine.ns.cloudflare.com dns.cloudflare.com 2398493232 10000 2400 604800 1800
Primary NS (mname)
elaine.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398493232
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

rick.ns.cloudflare.com
elaine.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ip4:147.160.167.0/26 ip4:23.21.109.197 ip4:23.21.109.212 ip4:192.254.121.248 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected];_spf-sg.accela.com
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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

12 records
  • SPFv=spf1 include:us._netblocks.mimecast.com ip4:147.160.167.0/26 ip4:23.21.109.197 ip4:23.21.109.212 ip4:192.254.121.248 ~all
  • 0ed1fe018a92de9d4ad6b74c648f69e918c3cd115d
  • 4e2ddc94876cebf66e4c498aaed96152
  • 79ffpylpgphyjq6kckcck2r230hvvs43
  • _rjeogk4j06n6li595rgdvwhsgaq0k5m
  • _xoyj7s74b4druy2mzidmq3yg1cfdn3e
  • apple-domain-verification=1mFRbXRUEpA0tnxC
  • atlassian-domain-verification=FigPV/3FnxNXPqI/L1oBg7ioxQpbVYOjZ/zhmnmBRojZdvf3Uilvj63r/iYKTBlN
  • autodesk-domain-verification=D1r1Tvbg_XiySCwbf1-n
  • docusign=b70fe3fe-f254-414f-af96-3d69e133a248
  • google-site-verification=LXq_fAHPtYUnLSza7ywm9w7hCJ3hUGEMp1miMZz8eyI
  • tz4gl2gyx181ds7p3g7gj08k6ty2jpp6
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