zimbrick.com

Valid Email Server
Domain Lookup › zimbrick.com

Domain Overview

DNS: ✓ 26d ago Checker: ✓ 26d ago
zimbrick.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-08-06 18:53:06 UTC · ↺ Refresh

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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

  • 3.132.43.175 ↩ ec2-3-132-43-175.us-east-2.compute.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA ns21.cloudns.net support.cloudns.net 2026042104 7200 1800 1209600 3600
Primary NS (mname)
ns21.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026042104
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

pns23.cloudns.net
pns24.cloudns.net
pns21.cloudns.net
pns22.cloudns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:_spf.hosting.cdkglobal.com a:secmail.ultipro.com ip4:69.129.237.242 ip4:69.129.237.240 ip4:209.64.109.48 ip4:209.64.109.50 ip4:208.80.29.46 ip4:64.95.184.64 ip4:72.28.104.100 ip4:72.28.104.101 ip4:72.28.104.102 ip4:64.94.224.73 ip4:63.251.162.90 ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 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

6 records
  • apple-domain-verification=YpaFMRETdVKHBW5O
  • MS=ms46204086
  • SPFv=spf1 include:us._netblocks.mimecast.com include:_spf.hosting.cdkglobal.com a:secmail.ultipro.com ip4:69.129.237.242 ip4:69.129.237.240 ip4:209.64.109.48 ip4:209.64.109.50 ip4:208.80.29.46 ip4:64.95.184.64 ip4:72.28.104.100 ip4:72.28.104.101 ip4:72.28.104.102 ip4:64.94.224.73 ip4:63.251.162.90 ?all
  • MS=ms21019709
  • duo_sso_verification=PBK6KBnlymdBkVSYapnfdzkpsQUSaJoShdI5XFQ1QbzjWuRBT7xhr6PIkR1hPXLP
  • _globalsign-domain-verification=pbd_z0gZIkSXCr2jkBAkeFZFLcnz9BjW-BA6lhChlx
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