bankofguyana.org.gy — Caribbean IPv6 Monitor

Score1/4

Overall IPv4-only

Collected2026-10-13 16:32 UTC

Measurement estimates from a single vantage point — not a compliance certification. Guidance below is for operators, not an SLA.

Priority next steps

Publish AAAA records for name server: ns1.bankofguyana.org.gy, ns2.bankofguyana.org.gy.
Publish AAAA records for web host: bankofguyana.org.gy.
Enable DNSSEC signing and publish a DNSKEY at the apex. Use DNSViz to validate the full chain.
DMARC is monitoring-only (p=none). Move toward quarantine, then reject. Review on dmarcian.

Checks

DNS

IPv4-only

[2] 0/0/0 [I]

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 I

Host	IPv4	IPv6	Probes
`ns1.bankofguyana.org.gy` [I]	162.144.86.140	—	ipv4 162.144.86.140 ok;
`ns2.bankofguyana.org.gy` [I]	162.144.86.140	—	ipv4 162.144.86.140 ok;

📌 Action item(s):

Publish AAAA records for name server: ns1.bankofguyana.org.gy, ns2.bankofguyana.org.gy.

Mail

Dual-stack

[3 MX] v4 smtp 8/8/8 v6 smtp 8/8/8 [O]

Meaning: Shows MX footprint and SMTP health per IP family. Operational means an SMTP banner and EHLO exchange succeeded on port 25.

IPv4 SMTP 8/8/8 · IPv6 8/8/8 · location O

Host	IPv4	IPv6	Probes
`mx.spamexperts.com` [O]	154.59.104.23	2001:978:2:7::162:100	ipv4 154.59.104.23 ok; ipv6 2001:978:2:7::162:100 ok;
`lastmx.spamexperts.net` [O]	154.59.104.23, 149.13.75.27, 38.89.254.156, 38.71.16.244	2001:550:2:61::2fc:100, 2001:978:2:2c::137:100, 2001:550:2:3::62:100, 2001:978:2:7::162:100	ipv4 154.59.104.23 ok; ipv4 149.13.75.27 ok; ipv4 38.89.254.156 ok; ipv4 38.71.16.244 ok; ipv6 2001:550:2:61::2fc:100 ok; ipv6 2001:978:2:2c::137:100 ok; ipv6 2001:550:2:3::62:100 ok; ipv6 2001:978:2:7::162:100 ok;
`fallbackmx.spamexperts.eu` [O]	154.59.193.124, 149.13.75.27, 154.59.104.23	2001:978:2:2c::137:100, 2001:978:2:6::f:124, 2001:978:2:7::162:100	ipv4 154.59.193.124 ok; ipv4 149.13.75.27 ok; ipv4 154.59.104.23 ok; ipv6 2001:978:2:2c::137:100 ok; ipv6 2001:978:2:6::f:124 ok; ipv6 2001:978:2:7::162:100 ok;

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
`bankofguyana.org.gy` [I]	162.144.86.140	—	ipv4 ok;

📌 Action item(s):

Publish AAAA records for web host: bankofguyana.org.gy.

DNSSEC

Unsigned

U/-/-

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

📌 Action item(s):

Enable DNSSEC signing and publish a DNSKEY at the apex. Use DNSViz to validate the full chain.

DMARC

p=none

p=none — published organizational policy. Monitoring only (receivers should not reject mail); tighten toward quarantine, then reject when ready. Not the same as missing DMARC.

Meaning: Published DMARC policy at _dmarc.bankofguyana.org.gy (DNS TXT). Shows organizational policy (p=) and subdomain policy (sp=) when set.

Record at _dmarc.bankofguyana.org.gy:

v=DMARC1; p=none; fo=1

Policy publication only — SPF/DKIM not measured. Not part of the 0–4 row score.

Check on dmarcian

📌 Action item(s):

DMARC is monitoring-only (p=none). Move toward quarantine, then reject. Review on dmarcian.