Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
centerbox.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 03:46:56 UTC · ↺ Refresh
MX Hostnames
- mia1-load.supramail.com.br
MX Priorities
- mia1-load.supramail.com.br: 0
A / AAAA Records
- 166.62.77.160
Mail Server IPs
- 15.235.28.41 ↩ bhs1-mx04-fe03.m9network.com
- 199.59.96.200 ↩ mia1-mx01-ds02.m9network.com
- 208.88.121.137 ↩ fll1-mx02-ds01.m9network.com
- 15.235.28.48 ↩ bhs1-mx04-fe07.m9network.com
- 15.235.28.43 ↩ bhs1-mx04-fe04.m9network.com
- 15.235.28.45 ↩ bhs1-mx04-fe05.m9network.com
- 208.88.121.138 ↩ fll1-mx02-ds02.m9network.com
- 15.235.28.51 ↩ bhs1-mx04-fe08.m9network.com
- 208.88.121.139 ↩ fll1-mx02-ds03.m9network.com
- 15.235.28.47 ↩ bhs1-mx04-fe06.m9network.com
- 204.11.237.203
- 54.39.84.242
- 54.39.84.241
- 204.11.237.202
- 199.59.96.214
SOA Record
Raw SOA
ns1.supramail.com.br suporte.supramail.com.br 2024031515 10800 3600 604800 3600
Primary NS (mname)
ns1.supramail.com.br
Admin Email (rname)
suporte@supramail.com.br
Serial
2024031515
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns6.m9.network
ns2.supramail.com.br
dns5.m9.network
ns1.supramail.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.m9.network include:spf.supramail.com.br -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; pct=100; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- SPFv=spf1 include:spf.m9.network include:spf.supramail.com.br -all
- weston.ns.cloudflare.com
- dana.ns.cloudflare.com
- dilbert.ns.cloudflare.com
- qq7qdd0e6qpkv8fost0ftmp4cs
- p6l9ho984mb7ah5rthjjam02ql
- g9uhhs9i6djsedmsnkhl2r34j2
- MS=DC9A5486BB433D875516F5D1E2E5BB29FFEC5566
- jjrc8v6lkpam2t8k3g24oor9tj
- irena.ns.cloudflare.com
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