Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zonasul.com.br
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 04:57:19 UTC · ↺ Refresh
MX Hostnames
- mxb-00966901.gslb.pphosted.com
- mxa-00966901.gslb.pphosted.com
MX Priorities
- mxa-00966901.gslb.pphosted.com: 10
- mxb-00966901.gslb.pphosted.com: 10
A / AAAA Records
- 104.18.7.93 (no PTR)
- 104.18.6.93 (no PTR)
- 2606:4700::6812:75d (no PTR)
- 2606:4700::6812:65d (no PTR)
Mail Server IPs
- 148.163.155.14 ↩ mx0b-00966901.pphosted.com
SOA Record
Raw SOA
ruth.ns.cloudflare.com dns.cloudflare.com 2399238989 10000 2400 604800 1800
Primary NS (mname)
ruth.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399238989
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ruth.ns.cloudflare.com
sage.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:201.36.191.229 ip4:201.36.191.230 ip4:201.55.122.195 ip4:201.55.122.196 ip4:168.90.174.225 ip4:168.90.174.254 include:_spf.google.com include:_spf.kmitd.com include:sendgrid.net include:spf-00966901.pphosted.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=70; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 70% of failing messages only
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:201.36.191.229 ip4:201.36.191.230 ip4:201.55.122.195 ip4:201.55.122.196 ip4:168.90.174.225 ip4:168.90.174.254 include:_spf.google.com include:_spf.kmitd.com include:sendgrid.net include:spf-00966901.pphosted.com ~all
- google-site-verification=5-o0oQJTwHLkx-uX7l54iOl1OtirbUKC6V2ROrUDpAE
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 zonasul.com.br
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits