Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
ultrax.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 14:26:12 UTC · ↺ Refresh
MX Hostnames
- mx007.addsolution.com.br
MX Priorities
- mx007.addsolution.com.br: 1
A / AAAA Records
- 216.172.172.228 ↩ br488-ip04.hostgator.com.br
Mail Server IPs
- 189.44.74.24 ↩ mx007.addsolution.com.br
SOA Record
Raw SOA
aurora.ns.cloudflare.com dns.cloudflare.com 2400545940 10000 2400 604800 1800
Primary NS (mname)
aurora.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400545940
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
aurora.ns.cloudflare.com
trey.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a:mx007.addsolution.com.br include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=7E48WfJa3tJVrsz2K4jel_xPI-nXeDFMtfEGNTVBNWs
- google-site-verification=GljzmeHCT_LlS9gCbJUU0Ip0Osn8PivBEzMC_fqW3nY
- google-site-verification=VjyigNXl1uCD7wycypwGq1lBFdbMG6vBVkrT8o3A-9M
- SPFv=spf1 mx a:mx007.addsolution.com.br include:_spf.rdstation.com.br include:sendgrid.net ~all
- 3600D0ABEA1A607F2F06B06D954DAA018BA6CAFB8183
- 8oa2e9he223sdjlf5r1noo904g
- MS=D0ABEA1A607F2F06B06D954DAA018BA6CAFB8183
- X2+iFfAHGojIpGtefvJirHt2/PUbhQXNWTe3GFmfG+0=
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 ultrax.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits