c3strategies.com

Valid Email Server
Domain Lookup › c3strategies.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
c3strategies.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 01:53:02 UTC · ↺ Refresh

MX Hostnames

  • c3strategies-com.mail.protection.outlook.com

MX Priorities

  • c3strategies-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 74.208.236.196 ↩ 74-208-236-196.elastic-ssl.ui-r.com
  • 2607:f1c0:100f:f000::257 ↩ 2607-f1c0-100f-f000-0000-0000-0000-0257.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1094.ui-dns.biz hostmaster.1and1.com 2017041724 28800 7200 604800 300
Primary NS (mname)
ns1094.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.com
Serial
2017041724
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1109.ui-dns.org
ns1056.ui-dns.de
ns1094.ui-dns.biz
ns1017.ui-dns.com

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

3 records
  • MS=4CD3B326A0A731E0234BE32D53BD40F7E5589B39
  • google-site-verification=EkNfhzlyGuvB2zNJlaDEJCNDkh8bb0hf6-pbVFSgTvw
  • SPFv=spf1 include:spf.protection.outlook.com -all
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