cardiolab.com.ar

Valid Email Server
Domain Lookup › cardiolab.com.ar

Domain Overview

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

Checked via [email protected] · 2026-04-04 21:26:18 UTC · ↺ Refresh

MX Hostnames

  • mx.fibercorp.com.ar

MX Priorities

  • mx.fibercorp.com.ar: 10

A / AAAA Records

  • 172.67.195.17 (no PTR)
  • 104.21.52.42 (no PTR)
  • 2606:4700:3032::6815:342a (no PTR)
  • 2606:4700:3036::ac43:c311 (no PTR)

Mail Server IPs

  • 201.212.2.145 ↩ mx.fibercorp.com.ar

SOA Record

Raw SOA irma.ns.cloudflare.com dns.cloudflare.com 2398105928 10000 2400 604800 1800
Primary NS (mname)
irma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398105928
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

irma.ns.cloudflare.com
vick.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:201.212.2.128/27 ip4:181.30.31.8/29 ip4:181.30.31.32/27 ip4:24.232.0.0/24 -all
📊 DNS lookups: 1/10
✓ 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 mx ip4:201.212.2.128/27 ip4:181.30.31.8/29 ip4:181.30.31.32/27 ip4:24.232.0.0/24 -all
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