Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
previsc.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 17:43:12 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 177.221.48.68
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
cash.ns.cloudflare.com dns.cloudflare.com 2396611846 10000 2400 604800 1800
Primary NS (mname)
cash.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396611846
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cash.ns.cloudflare.com
elly.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf1.neoassist.com include:_spf.correioseguro.com.br include:mailgun.org include:_spf.uni5.net include:_spf.google.com include:_spf.localservices.com.br include:_spf.previsc.com.br ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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 include:spf1.neoassist.com include:_spf.correioseguro.com.br include:mailgun.org include:_spf.uni5.net include:_spf.google.com include:_spf.localservices.com.br include:_spf.previsc.com.br ~all
- facebook-domain-verification=9otf2ucp71zfarrgsz831of22i3tyn
Full email verification for previsc.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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