Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
duettocomunicacao.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 01:13:02 UTC · ↺ Refresh
MX Hostnames
- mail.duettocomunicacao.com
- asmx.znoc.net
MX Priorities
- asmx.znoc.net: 0
- mail.duettocomunicacao.com: 10
A / AAAA Records
- 198.50.229.205 ↩ gateway.0net.com.br
Mail Server IPs
- 198.50.157.250 ↩ moon.znoc.net
- 158.69.106.47 ↩ ip47.ip-158-69-106.net
SOA Record
Raw SOA
ns1.helpservices.com.br marcos\.goguzeff.hotmail.com 2026030501 3600 900 1209600 3600
Primary NS (mname)
ns1.helpservices.com.br
Admin Email (rname)
marcos\@goguzeff.hotmail.com
Serial
2026030501
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.helpservices.com.br
ns1.helpservices.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.znoc.net
📊 DNS lookups: 1/10
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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 include:_spf.znoc.net
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