DNSBLCHEK

DNS history checks

Check domain NS history, review saved results, and use API access for repeated domain research.

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Check

Send a domain for analysis

Enter a domain in your dashboard. DNSBLCHEK queues the check, normalizes the input, and gives the domain a clear processing status.

dnsblcheck.org
dnsblcheck.orgPENDINGQueued for checking...
Result

Review NS history domein

Open the result page to see nameserver history, dates, current status, and whether the source returned useful domain data.

dnsblcheck.org
NS history2026-06-07 -> 2026-06-07nelly.ns.cloudflare.com2026-06-07 -> 2026-06-07duke.ns.cloudflare.com
API

Automate repeated checks

Use your personal API key for single or bulk domain checks. Existing saved results are returned from the site database.

dnsblcheck.org
{
  "domain": "dnsblcheck.org",
  "status": "GOOD",
  "cached": true,
  "history": [
    {"ns": "nelly.ns.cloudflare.com"},
    {"ns": "duke.ns.cloudflare.com"}
  ]
}