sherpa3.com

Valid Email Server
Domain Lookup › sherpa3.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sherpa3.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 01:59:55 UTC · ↺ Refresh

MX Hostnames

  • mx04.ergonet.it
  • mx03.ergonet.it
  • mx01.ergonet.it
  • mx02.ergonet.it

MX Priorities

  • mx02.ergonet.it: 10
  • mx01.ergonet.it: 10
  • mx04.ergonet.it: 10
  • mx03.ergonet.it: 10

A / AAAA Records

  • 213.21.157.165 (no PTR)

Mail Server IPs

  • 149.3.146.131 ↩ mx02.ergonet.host
  • 149.3.146.130 ↩ mx01.ergonet.host
  • 185.205.43.4 ↩ mx04.ergonet.host
  • 185.205.43.3 ↩ mx03.ergonet.host

SOA Record

Raw SOA dns1.ergonet-dns.it hostmaster.ergonet.it 2026021105 28800 7200 1209600 86400
Primary NS (mname)
dns1.ergonet-dns.it
Admin Email (rname)
hostmaster@ergonet.it
Serial
2026021105
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

dns1.ergonet-dns.net
dns1.ergonet-dns.it
dns1.ergonet-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:_spf.ergonet.it ip4:213.21.157.163 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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 include:_spf.ergonet.it ip4:213.21.157.163 ~all
Full email verification for sherpa3.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits