Domain Overview
DNS: ✓ 19d ago
Checker: ✓ 19d ago
neosprevidencia.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 21:01:19 UTC · ↺ Refresh
MX Hostnames
- neosprevidencia-com-br.mail.protection.outlook.com
MX Priorities
- neosprevidencia-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.89.49 (no PTR)
- 172.67.156.110 (no PTR)
- 2606:4700:3035::6815:5931
- 2606:4700:3034::ac43:9c6e
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
lorna.ns.cloudflare.com dns.cloudflare.com 2401076932 10000 2400 604800 1800
Primary NS (mname)
lorna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2401076932
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
stanley.ns.cloudflare.com
lorna.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:50.28.60.109 ip4:72.52.161.99 +a +mx include:spf1.neoassist.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
default._domainkey
mail._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
4 records- MS=ms80044396
- brevo-code:a9434ee4c70b16c9d03f94faa93502fa
- google-site-verification=TmZ5wMTkOZF_h0RSNLKZLYOa2Q3-ou0DfhMy3VS4MSw
- SPFv=spf1 ip4:50.28.60.109 ip4:72.52.161.99 +a +mx include:spf1.neoassist.com include:spf.protection.outlook.com include:_spf.psm.knowbe4.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 neosprevidencia.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits