cosmobuilders.us

Valid Email Server
Domain Lookup › cosmobuilders.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cosmobuilders.us
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 20:15:16 UTC · ↺ Refresh

MX Hostnames

  • mail.cosmobuilders.us

MX Priorities

  • mail.cosmobuilders.us: 0

A / AAAA Records

  • 208.109.25.221 ↩ 221.25.109.208.host.secureserver.net

Mail Server IPs

  • 208.109.25.221 ↩ 221.25.109.208.host.secureserver.net

SOA Record

Raw SOA pdns11.domaincontrol.com dns.jomax.net 2024082701 28800 7200 604800 600
Primary NS (mname)
pdns11.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024082701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns11.domaincontrol.com
pdns12.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.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

4 records
  • SPFv=spf1 include:secureserver.net -all
  • NETORGFT8620558.onmicrosoft.com
  • google-site-verification=xS8JIdJjqjDqujDQ4EDty9XbSbYBwcRqL7qaUXe33tU
  • google-site-verification=1ggeTjLV7qLBtHxTvn913uZwZxFp2igj9MELPrLeXjw
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