Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lascontabilidade.com
Yes
✓ Yes
Cloudflare
No
No
⚠ Yes
⚠ Yes
No
Checked via [email protected]
· 2026-03-22 11:03:38 UTC · ↺ Refresh
MX Hostnames
- route2.mx.cloudflare.net
- route3.mx.cloudflare.net
- route1.mx.cloudflare.net
MX Priorities
- route2.mx.cloudflare.net: 88
- route3.mx.cloudflare.net: 43
- route1.mx.cloudflare.net: 77
A / AAAA Records
- 104.21.67.173
- 172.67.178.254
- 2606:4700:3032::ac43:b2fe
- 2606:4700:3033::6815:43ad
Mail Server IPs
- 162.159.205.18 ↩ route2.mx.cloudflare.net
- 162.159.205.19 ↩ route2.mx.cloudflare.net
- 162.159.205.17 ↩ route2.mx.cloudflare.net
- 2606:4700:f5::e ↩ route2.mx.cloudflare.net
- 2606:4700:f5::10 ↩ route2.mx.cloudflare.net
- 2606:4700:f5::f ↩ route2.mx.cloudflare.net
- 162.159.205.24 ↩ route3.mx.cloudflare.net
- 162.159.205.23 ↩ route3.mx.cloudflare.net
- 162.159.205.25 ↩ route3.mx.cloudflare.net
- 2606:4700:f5::11 ↩ route3.mx.cloudflare.net
- 2606:4700:f5::12
- 2606:4700:f5::13
- 162.159.205.12
- 162.159.205.13
- 162.159.205.11
- 2606:4700:f5::d
- 2606:4700:f5::b
- 2606:4700:f5::c
SOA Record
Raw SOA
felicity.ns.cloudflare.com dns.cloudflare.com 2398924878 10000 2400 604800 1800
Primary NS (mname)
felicity.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398924878
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
felicity.ns.cloudflare.com
michelle.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mx.cloudflare.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 include:_spf.mx.cloudflare.net ~all
- google-site-verification=B-Oyj_dOVNmHsYK6bUHx67MPWMqNChsb6GQ0rR9oz8Q
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 lascontabilidade.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits