asur.com.mx

Valid Email Server
Domain Lookup › asur.com.mx

Domain Overview

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

Checked via [email protected] · 2026-04-04 16:06:39 UTC · ↺ Refresh

MX Hostnames

  • asurisamex1.asur.com.mx
  • asurisamex2.asur.com.mx

MX Priorities

  • asurisamex1.asur.com.mx: 10
  • asurisamex2.asur.com.mx: 10

A / AAAA Records

  • 187.141.67.57 ↩ customer-187-141-67-57-sta.uninet-ide.com.mx

Mail Server IPs

  • 189.240.111.148 ↩ asurisamex1.asur.com.mx
  • 187.141.67.52 ↩ asurisamex2.asur.com.mx

SOA Record

Raw SOA dnsasrcun.asur.com.mx admin.asur.com.mx 199 1800 900 2592000 172800
Primary NS (mname)
dnsasrcun.asur.com.mx
Admin Email (rname)
admin@asur.com.mx
Serial
199
Refresh
1800s
Retry
900s
Expire
2592000s
Minimum TTL
172800s

Nameservers (NS)

dnsasrsas.asur.com.mx
dnsasrcun.asur.com.mx

SPF Record

✓ Strict (-all)
v=spf1 ip4:187.141.67.52 ip4:189.240.111.148 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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

4 records
  • google-site-verification=wJ1Mgzoao_JiIhMMrBwE1nxkodXj6wTnf1nC-vF2i5A
  • SPFv=spf1 ip4:187.141.67.52 ip4:189.240.111.148 -all
  • apple-domain-verification=dZERNbAw479iOci8
  • D01-24-2020
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for asur.com.mx

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

Get 1,000 Free Credits