jsa.com.mx

Valid Email Server
Domain Lookup › jsa.com.mx

Domain Overview

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

Checked via [email protected] · 2026-03-25 17:09:30 UTC · ↺ Refresh

MX Hostnames

  • mx01.ionos.mx
  • mx00.ionos.mx

MX Priorities

  • mx00.ionos.mx: 10
  • mx01.ionos.mx: 11

A / AAAA Records

  • 198.185.159.144 (no PTR)

Mail Server IPs

  • 74.208.5.3 ↩ mx00.perfora.net
  • 74.208.5.21 ↩ mx01.perfora.net

SOA Record

Raw SOA ns-mx.1and1-dns.mx hostmaster.1and1.com 2017080412 28800 7200 604800 300
Primary NS (mname)
ns-mx.1and1-dns.mx
Admin Email (rname)
hostmaster@1and1.com
Serial
2017080412
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns-mx.1and1-dns.com
ns-mx.1and1-dns.org
ns-mx.1and1-dns.biz
ns-mx.1and1-dns.mx

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf-us.ionos.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • SPFv=spf1 include:_spf-us.ionos.com ~all
  • MS=F26EFE4981C3B9E9441B50111208752D39767A44
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