zeraconstruction.com

Valid Email Server
Domain Lookup › zeraconstruction.com

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
zeraconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-06 13:04:29 UTC · ↺ Refresh

MX Hostnames

  • zeraconstruction-com.mail.protection.outlook.com
  • zeraconstruction-com.mxguardian.net

MX Priorities

  • zeraconstruction-com.mail.protection.outlook.com: 10
  • zeraconstruction-com.mxguardian.net: 0

A / AAAA Records

  • 216.119.111.77

Mail Server IPs

  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 54.84.110.207 ↩ in02.mxguardian.net
  • 54.84.72.194 ↩ in03.mxguardian.net
  • 54.84.86.117
  • 2600:1f18:260a:1a02:6003:a1fd:5174:9c21
  • 2600:1f18:260a:1a03:29c7:e27c:b51f:7863
  • 2600:1f18:260a:1a01:fb9d:b04e:e28c:477a

SOA Record

Raw SOA ns3.newtekdns.com administrator.newtekwebhosting.com 12 900 600 86400 3600
Primary NS (mname)
ns3.newtekdns.com
Admin Email (rname)
administrator@newtekwebhosting.com
Serial
12
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns4.newtekdns.com
ns3.newtekdns.com

SPF Record

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

1 record
  • SPFv=spf1 include:spf.mxguardian.net include:spf.protection.outlook.com -all
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