csone.com

Valid Email Server
Domain Lookup › csone.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
csone.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 23:10:32 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

  • 35.185.116.34 ↩ 34.116.185.35.bc.googleusercontent.com

Mail Server IPs

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

SOA Record

Raw SOA ns21.worldnic.com namehost.worldnic.com 126032515 10800 3600 604800 3600
Primary NS (mname)
ns21.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126032515
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns21.worldnic.com
ns22.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:_netblocks.mimecast.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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

9 records
  • 0ed1fe018acddc437f2190411d9944b33b286825c2
  • 4rgin6d3e46j1ddb2c67j6or0f
  • SPFv=spf1 mx include:_netblocks.mimecast.com ~all
  • r0tvjq5d8bh172sffb1j3cbf23
  • _du6b7v8amiboegmo78odztj5r7mcwja
  • gf3125r75hkatb5176b4foje6s
  • adobe-idp-site-verification=4260a6f03a5f083605c0464727a2e8e75523741b102e1d23faa004334d6a4c55
  • cisco-ci-domain-verification=29da79ddd897f79baf10d2915df09f97ed9d7009b19862dcff1aa1132bd7901
  • MS=ms75294178
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