twinsmed.co

Valid Email Server
Domain Lookup › twinsmed.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
twinsmed.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 02:12:47 UTC · ↺ Refresh

MX Hostnames

  • mxw.263.net
  • mx.263.net

MX Priorities

  • mx.263.net: 10
  • mxw.263.net: 5

A / AAAA Records

  • 15.197.142.173 ↩ a4ec4c6ea1c92e2e6.awsglobalaccelerator.com
  • 3.33.152.147 ↩ a4ec4c6ea1c92e2e6.awsglobalaccelerator.com

Mail Server IPs

  • 38.83.106.84 ↩ us-mx1.263.net
  • 143.110.227.31 (no PTR)
  • 38.83.106.85 ↩ us-mx2.263.net
  • 164.92.126.242 (no PTR)

SOA Record

Raw SOA ns19.domaincontrol.com dns.jomax.net 2025122201 28800 7200 604800 600
Primary NS (mname)
ns19.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025122201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns20.domaincontrol.com
ns19.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.263.net -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

1 record
  • SPFv=spf1 include:spf.263.net -all
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