stinson.com

Valid Email Server
Domain Lookup › stinson.com

Domain Overview

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

Checked via [email protected] · 2026-03-20 00:18:21 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 72.32.131.23 ↩ www-dispatch.firmseek.com
  • 216.157.108.97 ↩ d89d6c61.client-ipv4.firmseek.net

Mail Server IPs

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

SOA Record

Raw SOA cskns0 hostmaster 850 900 600 2678400 3600
Primary NS (mname)
cskns0
Admin Email (rname)
hostmaster
Serial
850
Refresh
900s
Retry
600s
Expire
2678400s
Minimum TTL
3600s

Nameservers (NS)

ns9.stinson.com
ns8.stinson.com
ns0.stinson.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:_netblocks.mimecast.com ip4:199.233.225.193/29 ip4:52.1.234.206/32 ip4:52.70.152.226/32 ip4:54.165.79.164/32 ip4:208.86.168.7/32 ip4:135.84.68.123/32 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 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

11 records
  • duo_sso_verification=p3H1EfmPo070EyWnqmFNd0ixxW5zoJr5wyVKERWpg2D1OM3JCG1T9qHs5KF2i8o3
  • smartsheet-site-validation=eC59lbA2cG6UHaGTFIwtEbIe1d74SQ6L
  • cisco-ci-domain-verification=6dd5b40bd530f223a819d3aa9bbb7f93354259dc4a18772a8c5b2b3e7ac33078
  • _d5x2kwu71vqiqjfov00lzomlu2dfg0a
  • SPFv=spf1 mx include:_netblocks.mimecast.com ip4:199.233.225.193/29 ip4:52.1.234.206/32 ip4:52.70.152.226/32 ip4:54.165.79.164/32 ip4:208.86.168.7/32 ip4:135.84.68.123/32 ~all
  • MS=ms27210644
  • hMl2//zIDxETDeuZWqiJQ+CPKYvKOFiqG3hLgusp1NI3W1gpdai4IlmKiwk0lfRx1XnjRq9WQfBGabRFXR4Y8Q==
  • E09F-BDB3-E6FB-B9A8-96CF-D5C7-4CDB-9B02
  • docusign=808df127-4c64-492e-8fef-acf8dc55179e
  • docusign=2ee343d2-757d-46bf-8ebd-eb52663109b2
  • google-site-verification=jB5SphBC7m-BKU4fV81rLo8F-WaZBKXugm7bfag04sA
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