radiobiss.com.br

Valid Email Server
Domain Lookup › radiobiss.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
radiobiss.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 20:11:00 UTC · ↺ Refresh

MX Hostnames

  • mail.radiobiss.com.br

MX Priorities

  • mail.radiobiss.com.br: 10

A / AAAA Records

  • 144.217.170.238 ↩ ip238.ip-144-217-170.net
  • 2607:5300:203:b34e::170:238 (no PTR)

Mail Server IPs

  • 144.217.170.237 ↩ ns1.iron.hostazul.com.br
  • 2607:5300:203:b34e::170:237 ↩ ns1.iron.hostazul.com.br

SOA Record

Raw SOA ns1.iron.hostazul.com.br hostmaster.radiobiss.com.br 2024060114 3600 600 1209600 86400
Primary NS (mname)
ns1.iron.hostazul.com.br
Admin Email (rname)
hostmaster@radiobiss.com.br
Serial
2024060114
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.iron.hostazul.com.br
ns1.iron.hostazul.com.br

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:198.50.203.164 +ip4:144.217.170.237 +ip6:2607:5300:60:6319::203:164 +ip6:2607:5300:203:b34e::170:237 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • openai-domain-verification=dv-TrNoQdnBBWx0D5UWdPMPv1Lr
  • SPFv=spf1 +a +mx +ip4:198.50.203.164 +ip4:144.217.170.237 +ip6:2607:5300:60:6319::203:164 +ip6:2607:5300:203:b34e::170:237 ~all
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