Measurement estimates from a single vantage point — not a compliance certification. Guidance below is for operators, not an SLA.
DNS
IPv4-only
[2] 0/0/0 [O]
Meaning: Shows how many authoritative name servers exist, and how many IPv6 endpoints are configured, responsive, and operational.
IPv4 2/2/2 · IPv6 0/0/0 · location O
| Host | IPv4 | IPv6 | Probes |
dns1639.dizinc.com [O] |
107.190.139.59 |
— |
ipv4 107.190.139.59 ok; |
dns1640.dizinc.com [O] |
107.190.139.60 |
— |
ipv4 107.190.139.60 ok; |
📌 Action item(s):
- Publish AAAA records for name server: dns1639.dizinc.com, dns1640.dizinc.com.
Mail
IPv4-only
[1 MX] v4 smtp 1/1/0 v6 smtp 0/0/0 [I]
Meaning: Shows MX footprint and SMTP health per IP family. Operational means an SMTP banner and EHLO exchange succeeded on port 25.
IPv4 SMTP 1/1/0 · IPv6 0/0/0 · location I
| Host | IPv4 | IPv6 | Probes |
tourism.gov.dm [I] |
107.190.139.58 |
— |
ipv4 107.190.139.58 no_banner; |
📌 Action item(s):
- Publish AAAA records for mail (MX): tourism.gov.dm.
Web
IPv4-only
[1] 0/0/0 [I]
Meaning: Shows IPv6 web endpoint readiness for the discovered HTTPS host. Operational means family-specific HTTPS requests complete successfully.
IPv4 1/1/1 · IPv6 0/0/0 · location I
| Host | IPv4 | IPv6 | Probes |
tourism.gov.dm [I] |
107.190.139.58 |
— |
ipv4 ok; |
📌 Action item(s):
- Publish AAAA records for web host: tourism.gov.dm.
DNSSEC
Signed
S/?/? (partial)
Meaning: Shows whether DNSKEY data is observed at the apex (signed), absent (unsigned), or unavailable due to lookup error.
Apex DNSKEY presence only — not full chain validation.
Analyze on DNSViz
DMARC
No record
No record — no TXT at _dmarc.tourism.gov.dm.
Meaning: Published DMARC policy at _dmarc.tourism.gov.dm (DNS TXT). Shows organizational policy (p=) and subdomain policy (sp=) when set.
Publish a DMARC TXT at _dmarc.tourism.gov.dm (often start with p=none, then tighten).
Policy publication only — SPF/DKIM not measured. Not part of the 0–4 row score.
Check on dmarcian
📌 Action item(s):
- Publish a _dmarc TXT record (start with p=none, then tighten). Check policy on dmarcian.