Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
istv.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 06:25:12 UTC · ↺ Refresh
MX Hostnames
- gateway.mail.fiohost.com.br
MX Priorities
- gateway.mail.fiohost.com.br: 0
A / AAAA Records
- 172.67.132.108 (no PTR)
- 104.21.4.203 (no PTR)
- 2606:4700:3031::6815:4cb (no PTR)
- 2606:4700:3031::ac43:846c (no PTR)
Mail Server IPs
- 186.209.118.197 ↩ mx2.mail.fiohost.com.br
- 46.4.250.113 ↩ mx4.mail.fiohost.com.br
- 181.191.211.196 ↩ mx3.mail.fiohost.com.br
SOA Record
Raw SOA
mariah.ns.cloudflare.com dns.cloudflare.com 2398203624 10000 2400 604800 1800
Primary NS (mname)
mariah.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398203624
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mariah.ns.cloudflare.com
ram.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:162.241.60.102 +a +mx include:spf.fiohost.com.br ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=29tSEAHEJsZicKHWWkkw17N4wrsJNfR4zT9NtyjqKec
- SPFv=spf1 ip4:162.241.60.102 +a +mx include:spf.fiohost.com.br ~all
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