Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biostevi.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 03:45:52 UTC · ↺ Refresh
MX Hostnames
- mx-ha.skymail.net.br
MX Priorities
- mx-ha.skymail.net.br: 5
A / AAAA Records
- 104.21.78.169 (no PTR)
- 172.67.136.4 (no PTR)
- 2606:4700:3033::6815:4ea9 (no PTR)
- 2606:4700:3030::ac43:8804 (no PTR)
Mail Server IPs
- 168.0.133.10 ↩ mx-ha.skymail.net.br
SOA Record
Raw SOA
achiel.ns.cloudflare.com dns.cloudflare.com 2398614163 10000 2400 604800 1800
Primary NS (mname)
achiel.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398614163
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sarah.ns.cloudflare.com
achiel.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- google-site-verification=jzXvUtqXMmI0DlxNtto67ZMyre44h9LX25y0HswZhEc
- SPFv=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
- SPFv=spf1 include:spf.skymail.net.br include:spf.mailjet.com include:_spfs.tdzain.com.br ~all
- facebook-domain-verification=30aitbbqy9xx8ttdr7ioo6m52879md
- facebook-domain-verification=f41tv9z14csec7yfcus5hfhxcnkdmh
- google-site-verification=JI22WAZy5CYU93aYBC6a9S6SgZfVP8464kwpFgyST0I
Full email verification for biostevi.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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