mringenierosltda.com

Valid Email Server
Domain Lookup › mringenierosltda.com

Domain Overview

DNS: ✓ 23h ago Checker: ✓ 23h ago
mringenierosltda.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 21:48:20 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mail5.correopremium.com

MX Priorities

  • mail5.correopremium.com: 0

A / AAAA Records

  • 192.64.119.235 (no PTR)

Mail Server IPs

  • 190.8.178.103 ↩ mail5.correopremium.com

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1639509223 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1639509223
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns2.registrar-servers.com
dns1.registrar-servers.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:161.97.116.65 include:_spf.perfora.net include:_spf.kundenserver.de include:_spf.correopremium.com include:md02.com include:_spf.colhost.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 ip4:161.97.116.65 include:_spf.perfora.net include:_spf.kundenserver.de include:_spf.correopremium.com include:md02.com include:_spf.colhost.com ~all
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 · Customize →
See demo & docs
Deep verification
Full email verification for mringenierosltda.com

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

No credit card required
Get 1,000 Free Credits