emailc21.com

Valid Email Server
Domain Lookup › emailc21.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
emailc21.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 03:33:32 UTC · ↺ Refresh

MX Hostnames

  • use4.bumpemail.com
  • usw4.bumpemail.com

MX Priorities

  • usw4.bumpemail.com: 10
  • use4.bumpemail.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 49.13.117.11 ↩ usw4.bumpemail.com
  • 5.161.193.72 ↩ use4.bumpemail.com

SOA Record

Raw SOA ns1.dyna-ns.net hostmaster.emailc21.com 2026012002 16384 2048 1209600 300
Primary NS (mname)
ns1.dyna-ns.net
Admin Email (rname)
hostmaster@emailc21.com
Serial
2026012002
Refresh
16384s
Retry
2048s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns2.dyna-ns.net
ns1.dyna-ns.net

SPF Record

✓ Strict (-all)
v=spf1 +a +mx -all
📊 DNS lookups: 2/10
✓ 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 +a +mx -all
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