collins-cs.com

Valid Email Server
Domain Lookup › collins-cs.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
collins-cs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 12:19:09 UTC · ↺ Refresh

MX Hostnames

  • collinscs-com01i.mail.protection.outlook.com

MX Priorities

  • collinscs-com01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.20 (no PTR)
  • 141.193.213.21 (no PTR)

Mail Server IPs

  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns77.domaincontrol.com dns.jomax.net 2026012000 28800 7200 604800 600
Primary NS (mname)
ns77.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns78.domaincontrol.com
ns77.domaincontrol.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

6 records
  • google-site-verification=07C2UUztIhwewo8aWsAnfSzfYS-3iYzul2S5PPFK-KE
  • MS=ms83602126
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=ObbRkwDJ2CEHTU2SqhaYGP2iwQF6mgauH8My4nSXmbs
  • google-site-verification=WNI7Pq3XzrEH8V13ItocrqyaxyL3PbuAFjMdPSzL0xE
  • google-site-verification=W-nodJt8stedmpYWw1_6dKX4xjd_dk7wAXmwQljddqg
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