cotlow.com

Valid Email Server
Domain Lookup › cotlow.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 00:26:52 UTC · ↺ Refresh

MX Hostnames

  • cotlow-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 198.49.23.144 (no PTR)
  • 198.185.159.145 (no PTR)
  • 198.185.159.144
  • 198.49.23.145

Mail Server IPs

  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com

SOA Record

Raw SOA dns101.register.com root.register.com 126021311 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
126021311
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns102.register.com
dns101.register.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:198.167.190.87 ip4:198.167.190.88 ip4:198.167.190.89 ip4:198.167.190.90 -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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com ip4:198.167.190.87 ip4:198.167.190.88 ip4:198.167.190.89 ip4:198.167.190.90 -all
  • MS=ms41306156
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