Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rentaltech.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 13:16:20 UTC · ↺ Refresh
MX Hostnames
- rentaltech.com.br
MX Priorities
- rentaltech.com.br: 10
A / AAAA Records
- 177.70.6.179 ↩ diana.tdnx.net
Mail Server IPs
- 177.70.6.179 ↩ diana.tdnx.net
SOA Record
Raw SOA
ns1.tdnx.net monitor.hostmach.com.br 2026040200 3600 1800 1209600 86400
Primary NS (mname)
ns1.tdnx.net
Admin Email (rname)
monitor@hostmach.com.br
Serial
2026040200
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.tdnx.net
ns1.tdnx.net
ns3.tdnx.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:177.70.6.179 ip4:66.206.23.186 ip4:107.161.179.146 include:relay.mailchannels.net ip4:107.190.135.42 a mx ptr a:174.122.209.52 ?all
📊 DNS lookups: 5/10
? Neutral (?all) — no 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 ip4:177.70.6.179 ip4:66.206.23.186 ip4:107.161.179.146 include:relay.mailchannels.net ip4:107.190.135.42 a mx ptr a:174.122.209.52 ?all
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