czconstruction.net

Valid Email Server
Domain Lookup › czconstruction.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
czconstruction.net
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 13:47:17 UTC · ↺ Refresh

MX Hostnames

  • d348376a.ess.barracudanetworks.com
  • d348376b.ess.barracudanetworks.com
  • czconstruction-net.mail.protection.outlook.com

MX Priorities

  • d348376a.ess.barracudanetworks.com: 10
  • d348376b.ess.barracudanetworks.com: 20
  • czconstruction-net.mail.protection.outlook.com: 99

A / AAAA Records

  • 100.24.208.97
  • 35.172.94.1

Mail Server IPs

  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1

SOA Record

Raw SOA clay.ns.cloudflare.com dns.cloudflare.com 2398446543 10000 2400 604800 1800
Primary NS (mname)
clay.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398446543
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ulla.ns.cloudflare.com
clay.ns.cloudflare.com

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

3 records
  • google-site-verification=IdafkTxSRQr7dhSyc-t5LpOCRkKAeevl1UsQlh2ur74
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
  • apple-domain-verification=GedFa4jujq267Dhz
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