Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hercules.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 20:51:29 UTC · ↺ Refresh
MX Hostnames
- mx2.emailsrvr.com
- mx1.emailsrvr.com
MX Priorities
- mx1.emailsrvr.com: 10
- mx2.emailsrvr.com: 20
A / AAAA Records
- 144.202.62.131 ↩ espacios.criticalserver2.net
Mail Server IPs
- 184.106.54.1 ↩ mx1.emailsrvr.com
- 184.106.54.2 ↩ mx2.emailsrvr.com
SOA Record
Raw SOA
pablo.ns.cloudflare.com dns.cloudflare.com 2400515418 10000 2400 604800 1800
Primary NS (mname)
pablo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400515418
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
pat.ns.cloudflare.com
pablo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:emailsrvr.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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:emailsrvr.com -all
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