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First, identify what kind of name you have
Blockchain domain is an umbrella term, not a single technical standard. Different registries use different suffixes, record formats, browsers, extensions and gateways. Support for one system does not mean another system will resolve in the same browser.
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Write down the complete name exactly as entered, including its suffix. Then define the expected result:
- Decentralized website: You expect a browser page backed by content such as an IPFS hash.
- Name or payment lookup: You want a wallet address, payment record or other profile data, not necessarily a web page.
- DNS domain imported into ENS: You own an ordinary DNS domain and have associated it with an ENS name. This path depends on the DNS provider, a TXT record and DNSSEC.
Resolution libraries describe decentralized names as records that can point to payment addresses, IPFS hashes and other data, so a valid name does not automatically imply that a website exists. See the resolution library documentation and the records reference for examples of record categories.
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Use this diagnostic sequence
- Copy the exact domain and suffix. Do not remove punctuation, change the suffix or test only a shortened name. Record whether the name is intended for a website or another record type.
- Check support for that exact name system. Look at the browser’s current documentation or the extension’s resolver settings. A browser that handles one decentralized suffix may not handle another.
- Try the documented gateway or resolver route. Some systems require a gateway URL or browser extension rather than ordinary address-bar DNS resolution.
- Inspect website or content records. If the name resolves but the page is blank, unavailable or returns a gateway error, verify the content hash or website record and whether the referenced content is still available.
- If it is a DNS name imported into ENS, switch to the DNS-import checklist. Verify the exact TXT record, DNSSEC and propagation time at the DNS host.
- Check provider-specific flags. A setting can disable traditional DNS while leaving Web3 uses available. This is not a universal blockchain-domain setting.
- Collect the remaining error details. The suffix, browser and version, intended use, exact error message and any extension or resolver in use are the minimum information needed for a precise diagnosis.
Browser support is often the first failure point
Ordinary browsers are built around DNS and HTTP. A decentralized website may require the browser to recognize a blockchain suffix, query a compatible resolver and translate a content record into a gateway request. If any of those capabilities is absent, typing the name into the address bar can produce a normal DNS error even though the blockchain record exists.
ENS documentation describes the support state in its published context as follows: Chrome, Firefox and Safari did not natively support decentralized websites, while Brave and Opera were identified for direct .eth resolution. The documentation also lists gateway routes for reaching decentralized sites. Browser features change, so treat that information as a compatibility reference rather than a permanent guarantee and check the current instructions from your browser or resolver vendor at the time you troubleshoot. The ENS guide is available at Hosting a Decentralized Website.
| Access route | What must be supported | When it helps | What it cannot prove |
|---|---|---|---|
| Native browser resolution | The browser must recognize the exact suffix and know how to retrieve its records. | You want to enter the name directly in the address bar. | It does not prove that a website/content record exists. |
| Browser extension or resolver | An installed resolver must support the exact naming system and be enabled for the site. | The browser itself lacks native support. | It does not repair an incorrect record or unavailable content. |
| Gateway URL | The gateway must support that name system and have access to the referenced content. | You need a conventional HTTPS path to a decentralized site. | A gateway outage or stale content can still cause failure. |
| Application or resolution library | The software must implement the registry’s record rules. | You are checking an address, payment record or other non-web data. | A successful record lookup does not mean browser navigation will work. |
When the name resolves but the website does not
Separate name resolution from content retrieval. Resolution answers, in effect, “What records are attached to this name?” Website access then follows the website or content record to a storage network or gateway. A name can therefore be valid while its site is missing, misconfigured or unreachable.
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Check the website or content record
For ENS decentralized sites, the relevant record is commonly a content hash. ENS explains that owners set a contenthash and then use supported gateways to access the site. Open the name in a resolver that can display records and verify that a website/content record is present, correctly formatted and points to the intended content. If the record is empty, a browser cannot invent a destination.
Check the gateway and storage content
A gateway may be unavailable, may not support the suffix, or may be unable to retrieve the referenced content. Test the documented gateway route for the naming system rather than substituting a random DNS or HTTP service. If the record points to content that was removed, pinned nowhere or otherwise unavailable, changing browser settings will not restore it. ENS documents gateway-based access in its decentralized website guide.
Do not treat an address record as a web address
Payment and wallet records are designed for compatible wallets and applications. They may resolve correctly in a lookup tool while producing no browser page. The resolution library and records reference explain that names can carry several record classes, including payment addresses and decentralized website records: resolution library and records reference.
ENS names imported from ordinary DNS domains
An ordinary DNS domain imported into ENS follows a different troubleshooting path from a native decentralized suffix. The DNS provider remains part of the verification chain, so browser support for decentralized websites is not the main issue.
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Verify the exact TXT record
Use the DNS host’s management panel to confirm that the TXT record required by the ENS import flow exists at the exact host and contains the exact value supplied by ENS. Check for a typo, an extra space, quotation marks added by the panel, or a record placed at the wrong subdomain. Do not replace the value with a similar-looking string.
Confirm DNSSEC
ENS Support identifies DNSSEC as a likely cause when the TXT record appears correct but the import is still not detected. Verify that DNSSEC is enabled and valid for the domain at the registrar or DNS provider. A broken chain of trust can prevent ENS from accepting an otherwise visible TXT record.
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Allow for propagation and refresh
ENS Support says DNS record changes may take 10–30 minutes to propagate and advises refreshing or checking again after that interval. The 10–30 minute period is troubleshooting guidance, not a guaranteed network-wide timing. If the record is still not detected after 30 minutes, recheck DNSSEC and the record name before making another change. Follow the ENS DNS import error guide.
Keep control of the underlying DNS domain
Whoever controls the conventional DNS registration can affect the imported ENS association. Keep the registration active and protect the registrar and DNS-provider accounts. If the DNS domain expires, changes nameservers or loses its verification record, the ENS relationship can stop working even though the blockchain transaction itself remains visible.
ENS also documents a gasless DNS-import flow, but gasless does not mean independent of DNS. The provider-side TXT and DNSSEC checks still belong to this branch; see Gasless DNS import.
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Provider setting that can disable traditional DNS
For DNS domains managed through Unstoppable Domains, inspect the DNS_RESOLUTION flag in the domain-management settings. The provider’s documentation states that an enabled flag allows resolution through traditional DNS, while a disabled flag prevents DNS resolution even though the name may still work in Web3 environments. This is a provider-specific setting, not a general switch shared by every blockchain registry.
Check the setting when the same name works in a compatible Web3 application but fails in a conventional browser or DNS lookup. The explanation and scope of the flag are documented in What are DNS domain flags and what do they mean?.
Match the error to the likely cause
| What you see | Most likely branch | Next check |
|---|---|---|
| Address bar reports that the server or DNS name cannot be found. | The browser or active resolver does not support the exact suffix, or DNS resolution is disabled. | Check browser/extension support, then inspect any provider DNS-resolution flag. |
| The name is recognized, but no page opens. | No website/content record, unsupported gateway, or unavailable content. | Inspect the website record and test the documented gateway. |
| A wallet or lookup tool shows an address, but navigation fails. | You resolved a payment or address record, not a website. | Use a compatible wallet/application or verify that a separate website record exists. |
| ENS says the DNS import record is missing. | TXT record is wrong, placed at the wrong host, not propagated, or DNSSEC is invalid. | Recheck the exact TXT value, wait 10–30 minutes, then verify DNSSEC. |
| The site worked previously and then stopped after a DNS change. | Nameservers, TXT verification, DNSSEC or the underlying registration changed. | Review recent DNS and registrar changes and confirm continued ownership. |
Common mistakes to avoid
- Assuming every blockchain suffix is interchangeable. Resolver rules and browser support are system-specific.
- Changing random DNS settings first. Native decentralized names may never use conventional DNS, while ENS DNS imports depend on very specific DNS records.
- Confusing a record lookup with a website visit. A payment address is useful data but is not an HTTP destination.
- Editing the TXT record repeatedly during propagation. Each change can create another delay and make it harder to identify the valid value.
- Assuming a browser update fixes content availability. Even a fully compatible browser cannot retrieve content that the website record does not reference or that the gateway cannot reach.
- Letting the underlying DNS registration lapse. An imported ENS association depends on continued control of that DNS domain.
What to provide when you need support
If the sequence does not identify the fault, prepare a concise diagnostic report. Include the complete domain and suffix, the browser name and version, whether you are opening a website or looking up a record, the exact error text, the extension or resolver being used, and the time of the latest DNS change. For an ENS DNS import, also state whether the TXT record is visible at the required host, whether DNSSEC validates, and how long you waited after the change. Do not share private keys, seed phrases or wallet recovery information.
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There is no universal browser switch for blockchain domains. Identify the suffix and intended record first; then verify exact browser or resolver support, inspect the website/content record and gateway, or follow the separate ENS DNS-import process with the exact TXT record, DNSSEC and propagation time. If a provider-specific DNS flag is disabled, traditional DNS can fail while Web3 access still works. Those checks isolate compatibility, content and DNS-configuration failures without treating them as the same problem.
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