cobaltexteriors.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-21 03:02:54 UTC · ↺ Refresh

MX Hostnames

  • cobaltexteriors-com.mail.protection.outlook.com
  • mx1-usg2.ppe-hosted.com
  • mx2-usg2.ppe-hosted.com
  • mx3-usg2.ppe-hosted.com

MX Priorities

  • mx3-usg2.ppe-hosted.com: 0
  • mx2-usg2.ppe-hosted.com: 0
  • cobaltexteriors-com.mail.protection.outlook.com: 0
  • mx1-usg2.ppe-hosted.com: 0

A / AAAA Records

  • 65.52.218.253

Mail Server IPs

  • 34.231.165.252 ↩ mx3-usg2.ppe-hosted.com
  • 23.21.114.81 ↩ mx2-usg2.ppe-hosted.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)
  • 98.85.123.215

SOA Record

Raw SOA ns0.spectrumdns.net dns.spectruminc.com 2008010119 43200 3600 1209600 180
Primary NS (mname)
ns0.spectrumdns.net
Admin Email (rname)
dns@spectruminc.com
Serial
2008010119
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns1.spectrumdns.net
ns0.spectrumdns.net
ns3.spectrumdns.net
ns4.spectrumdns.net
ns2.spectrumdns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf-usg2.ppe-hosted.com include:secureserver.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf-usg2.ppe-hosted.com include:secureserver.net -all
  • google-site-verification=ykBcbdHAMtumQklmpp27IWDDaRwV-HviSJPwKdYjHto
  • google-site-verification=MqjieZ46fZH1s5M-F66-fJEDw9dVeuEQN9x-xBotajM
  • NETORGFT2610421.onmicrosoft.com
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