cybertechconstruction.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cybertechconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 13:49:13 UTC · ↺ Refresh

MX Hostnames

  • cybertechconstruction-com.mail.protection.outlook.com

MX Priorities

  • cybertechconstruction-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 74.208.236.73 ↩ 74-208-236-73.elastic-ssl.ui-r.com
  • 2607:f1c0:100f:f000::226 ↩ 2607-f1c0-100f-f000-0000-0000-0000-0226.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns-us.1and1-dns.com hostmaster.1and1.com 2018072636 28800 7200 604800 300
Primary NS (mname)
ns-us.1and1-dns.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2018072636
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns-us.1and1-dns.com
ns-us.1and1-dns.de
ns-us.1and1-dns.org
ns-us.1and1-dns.us

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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.protection.outlook.com -all
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