z-comm.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
z-comm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 07:20:01 UTC · ↺ Refresh

MX Hostnames

  • zcomm-com0c.mail.protection.outlook.com

MX Priorities

  • zcomm-com0c.mail.protection.outlook.com: 0

A / AAAA Records

  • 184.33.105.189 ↩ ec2-184-33-105-189.us-west-2.compute.amazonaws.com
  • 35.155.104.70 ↩ ec2-35-155-104-70.us-west-2.compute.amazonaws.com
  • 100.22.182.184

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns-582.awsdns-08.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-582.awsdns-08.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1224.awsdns-25.org
ns-1543.awsdns-00.co.uk
ns-292.awsdns-36.com
ns-582.awsdns-08.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

6 records
  • google-site-verification=QKKZRfpz_gBbptJE_6PNTDEmSPRqPgQo3g3wY7e4nzk
  • o2djpcgu7n3epc47h8shf9e7oh
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com -all
  • apple-domain-verification=wOYeeSQNN1xENAnoKM_-fRelOdmwx2TMJ1hoqQVz-hM
  • atlassian-domain-verification=+KWaDHSfZHgyKmKbnN1iKn3VssjE45OOJMmFghe4pg8fpclrp/UsPW134yhZU2sl
  • atlassian-domain-verification=77FQ9Sy1oIhyNf0yG8Tc9RJpyT5VmuTE84lA20Ilva1xUBfnBcORr2vxZOCyfkCJ
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