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Nameservers · These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: a1-101.akam.net: "41824.6"; a20-65.akam.net: "48878.29"; a20-65.akam.net: "48878.30"; a22-66.akam.net: "48878.32"; a22-66.akam.net: "48878.31"; a3-64.akam.net: "41824.6"; a3-64.akam.net: "41824.7"; a4-65.akam.net: "48878.26"; a4-65.akam.net: "48878.32"; a9-67.akam.net: "41824.7"; a9-67.akam.net: "41824.10". Hide or replace the version string.

Records · These records have a TTL below 5m, causing extra queries and slower lookups: A (20s), AAAA (20s). Low TTLs are useful just before a planned change. The NS TTL at the parent is 1h and in the zone 1d; resolvers may use either.

MX · The following MX hosts could not be resolved to IPv6 addresses: mx1.afkl.c3s2.iphmx.com, mx2.afkl.c3s2.iphmx.com

DNSSEC · DNSKEY signatures expire at 2026-10-25T00:58:41Z (in 71h0m0s). Check that re-signing works.

DKIM · 1024-bit RSA keys are the minimum and are considered weak today: k1 (1024 bits). Rotate to a 2048-bit key.

TLS · MTA-STS is not configured, so other mail servers fall back to unencrypted delivery when TLS fails or is stripped by an attacker. Publish a _mta-sts TXT record and a policy at https://mta-sts.<domain>/.well-known/mta-sts.txt.