Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
itausa.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 10:58:20 UTC · ↺ Refresh
MX Hostnames
- itausa-com-br.mail.protection.outlook.com
MX Priorities
- itausa-com-br.mail.protection.outlook.com: 10
A / AAAA Records
- 18.173.132.68 ↩ server-18-173-132-68.jfk52.r.cloudfront.net
- 18.173.132.8 ↩ server-18-173-132-8.jfk52.r.cloudfront.net
- 18.173.132.95
- 18.173.132.17
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-131.awsdns-16.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-131.awsdns-16.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1479.awsdns-56.org
ns-1733.awsdns-24.co.uk
ns-678.awsdns-20.net
ns-131.awsdns-16.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:200.221.173.220 ip4:35.174.145.124 ip4:189.44.182.230 ip4:200.182.56.50 include:spf.protection.outlook.com include:_spf.atlassian.net include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- SPFv=spf1 ip4:200.221.173.220 ip4:35.174.145.124 ip4:189.44.182.230 ip4:200.182.56.50 include:spf.protection.outlook.com include:_spf.atlassian.net include:_spf.psm.knowbe4.com -all
- atlassian-sending-domain-verification=1c725216-a2d0-47fb-a513-6659e0aeb735
- docusign=947c08a6-e112-4125-bcbb-8f97af3f74e8
- 642ee0f4-33af-4f42-9eb3-6c34564cd149
- ZOOM_verify_dRDtzyezO1YA9JxfAkA5IK
- 2sntfg9ci90b835g8vr0hiqqps
- 74d29f5a58ce0af29bbe268162ee7da0a2fc8368e353730ce2
- 74djrfv6ua3gcp74rka3qobgaq
- mjudfbgs4fbuu4j1bpqvi9153q
- docusign=828d6dba-92b0-4761-98ca-2027944114d1
- apple-domain-verification=9ssVgsMHovasQsd3
- openai-domain-verification=dv-E6ZaysuQFqdqDcPQvJkXjSwm
- mb1gieq27q4mb5tu8g363lp4ap
- google-site-verification=stvS1KwUu8F6631Sb4Y8fZbmuHNWhjkYHZ04BuaBp10
- anthropic-domain-verification-c00694=ksjcNFdxCz4AiFyIvLw3iJt5S
- 063c06c0-e157-4981-8c75-3ffd1875989c
- google-site-verification=drOKBzcApes7l6WMFS6Avkmu6sOlxmIDlYc6f1hro00
- atlassian-domain-verification=/QcOoxrJJWrmfbhwhX9ON69L1kd2zhr4FHT4hPqtJujrhnaFKGOV3d2DBu8aH9an
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 itausa.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits