contatoseguro.com.br

Valid Email Server
Domain Lookup › contatoseguro.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
contatoseguro.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 20:47:11 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

  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 0
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10

A / AAAA Records

  • 99.83.197.39
  • 75.2.30.41

Mail Server IPs

  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.250.31.27 ↩ bj-in-f27.1e100.net
  • 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net

SOA Record

Raw SOA ns-1965.awsdns-53.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1965.awsdns-53.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1275.awsdns-31.org
ns-1965.awsdns-53.co.uk
ns-784.awsdns-34.net
ns-91.awsdns-11.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.salesforce.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

DKIM Selectors

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

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

All TXT Records

5 records
  • jsY8UDVP
  • pinterest-site-verification=2bc468be84f4d51b52db74dbd4765542
  • SPFv=spf1 include:_spf.google.com include:_spf.salesforce.com -all
  • elevenlabs=gUISLkVTUewyXthZkDlkIvs4Bk4OWOQTv5n7Gbr61r4
  • google-site-verification=Hv4sNO_qywLtvaXMX4nPo8FdLloAsqYyFqxP-Lnnj1U
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 contatoseguro.com.br

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

No credit card required
Get 1,000 Free Credits