cosprinters.com

Valid Email Server
Domain Lookup › cosprinters.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cosprinters.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 18:22:17 UTC · ↺ Refresh

MX Hostnames

  • cosprinters-com.mail.dr.greenradar.com
  • cosprinters-com.mail.hk.greenradar.com

MX Priorities

  • cosprinters-com.mail.dr.greenradar.com: 20
  • cosprinters-com.mail.hk.greenradar.com: 10

A / AAAA Records

  • 183.178.89.66 ↩ 183178089066.ctinets.com

Mail Server IPs

  • 152.101.60.164 ↩ sg01extb.greenradar.com
  • 203.85.49.142 ↩ hk02extb.greenradar.com

SOA Record

Raw SOA ns-495.awsdns-61.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-495.awsdns-61.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1242.awsdns-27.org
ns-1819.awsdns-35.co.uk
ns-495.awsdns-61.com
ns-635.awsdns-15.net

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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
  • "v=spf1 include:spf.protection.outlook.com include:spf.greenradar.com ip4:60.52.62.74 ip4:
  • 203.118.41.134 -all"
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