ol-tecnologia.com.br

Valid Email Server
Live data โ€” DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: โšก live Checker: โšก live
ol-tecnologia.com.br
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-05-21 19:46:52 UTC ยท โ†บ Refresh

MX Hostnames

  • oltecnologia-com-br0e.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 172.67.167.103
  • 104.21.59.12
  • 2606:4700:3033::6815:3b0c
  • 2606:4700:3033::ac43:a767

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

naya.ns.cloudflare.com
noah.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

7 records
  • hpe-greenlake-domain-verification=5059474e503041726a6a396a714367656236786a7652415742746f4f6c415637
  • hpe-greenlake-domain-verification=516531397a73506c553533686b35625a385450475a327477547941566875642d
  • hpe-greenlake-domain-verification=73584e7553626e4136304a6535356b78447742626d526b647535767a5a345562
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • anthropic-domain-verification-g2cj5t=sJU2ABabY2wGcbpTw9zmb8sHp
  • atlassian-domain-verification=q7vc49ccilVlo4TQxOXulCXgMvanddl3fHV7ZtHIereZfu5p3CnRT/0LQ8hajTBe
  • google-site-verification=3VC66HA_SpWgJtbtCe57W7ML5pXG9h0gfDKIlPHiJI0
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for ol-tecnologia.com.br

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

No credit card required
Get 1,000 Free Credits