Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
stpauls.br
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-22 10:00:31 UTC ยท โบ Refresh
MX Hostnames
- stpauls-br.mail.protection.outlook.com
MX Priorities
- stpauls-br.mail.protection.outlook.com: 20
A / AAAA Records
- 104.17.67.73 (no PTR)
Mail Server IPs
- 52.101.11.7 โฉ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.10.6 โฉ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.40.6 โฉ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.41.22 โฉ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c927:: โฉ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c902:: โฉ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 โฉ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 โฉ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.ctitech.net.br postmaster.ctitech.net.br 2026031101 28800 3600 604800 300
Primary NS (mname)
dns1.ctitech.net.br
Admin Email (rname)
postmaster@ctitech.net.br
Serial
2026031101
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns2.ctitech.net.br
dns1.ctitech.net.br
dns3.ctitech.net.br
dns4.ctitech.net.br
SPF Record
โ Strict (-all)
v=spf1 mx ip4:177.190.200.225/27 ip4:179.191.113.230 ip4:142.0.66.23 ip4:198.37.144.0/20 ip4:198.37.158.0/23 ip4:203.32.6.0/23 ip4:167.89.0.0/17 ip4:148.105.0.0/16 include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
๐ DNS lookups: 4/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 2 found
s1._domainkey
s2._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- google-gws-recovery-domain-verification=58129461
- 5EX9pglSe5ftJYAsmvfLS/7DP7kRx0qA8lKOGySwSZcYuCjGo2EIFRfaTsbbKOdTNdxAFbmcgGTeQyy0ZmOlXg==
- google-site-verification=uk-5Kh3WlEw_QtAxkryyhtdG41c6ZPZr_ba5D-7Veds
- SPFv=spf1 mx ip4:177.190.200.225/27 ip4:179.191.113.230 ip4:142.0.66.23 ip4:198.37.144.0/20 ip4:198.37.158.0/23 ip4:203.32.6.0/23 ip4:167.89.0.0/17 ip4:148.105.0.0/16 include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
- MS=ms49589003
- google-site-verification=lVot9tCkWVCL2pPnX84BuYNt8yCf8rDHmvIa8WbMJvY
- apple-domain-verification=Ru3QJ5IHmWVxmuIF
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 stpauls.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits