intreo.com

Valid Email Server
Domain Lookup › intreo.com

Domain Overview

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

Checked via [email protected] · 2026-04-03 19:25:11 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 10
  • us-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 209.17.116.163 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns57.worldnic.com namehost.worldnic.com 126040309 10800 3600 604800 3600
Primary NS (mname)
ns57.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126040309
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns57.worldnic.com
ns58.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 mx:comfortsystemsusa-com.mail.protection.outlook.com ip4:162.242.134.119 ip4:67.219.250.215 ip4:67.219.250.214 ip4:67.219.246.6 ip4:67.219.250.10 ip4:40.107.220.93 ip4:67.219.250.116 ip4:67.219.250.3 ip4:67.219.246.215 ip4:67.219.246.2 ip4:67.219.246.115 include:_spf.tribuildprojects.com include:spf_all.comfortsystemsusa.com include:spf.bidtracer.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • FDeqkbY7WZJ5RLbq7ouY+kfRQLasA+Kw4WMGrB6mMYgIPN6cNQvjwt2Zmb/gxzx82wvcGCZCF/3ISQDezHOmFw==
  • MS=ms26642161
  • SPFv=spf1 mx:comfortsystemsusa-com.mail.protection.outlook.com ip4:162.242.134.119 ip4:67.219.250.215 ip4:67.219.250.214 ip4:67.219.246.6 ip4:67.219.250.10 ip4:40.107.220.93 ip4:67.219.250.116 ip4:67.219.250.3 ip4:67.219.246.215 ip4:67.219.246.2 ip4:67.219.246.115 include:_spf.tribuildprojects.com include:spf_all.comfortsystemsusa.com include:spf.bidtracer.com -all
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