Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
conceptsmile.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 08:09:00 UTC · ↺ Refresh
MX Hostnames
- mail.conceptsmile.com
MX Priorities
- mail.conceptsmile.com: 0
A / AAAA Records
- 94.46.135.151 ↩ web3.xcloudserver.com
Mail Server IPs
- 94.46.135.151 ↩ web3.xcloudserver.com
SOA Record
Raw SOA
ns1.octagonohost.com suporte.linxisp.com 2026030701 3600 1800 1209600 86400
Primary NS (mname)
ns1.octagonohost.com
Admin Email (rname)
suporte@linxisp.com
Serial
2026030701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.octagonohost.com
ns3.octagonohost.com
ns2.octagonohost.com
ns4.octagonohost.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:94.46.135.151 +a +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 ip4:94.46.135.151 +a +mx -all
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