Edit this pageRecords Reference
This reference page is divided into sections, grouping records by their namespaces and use-cases:
Developers may also set custom records for the domains. Domain records are stored as a key-value dictionary by domains and are not validated on the smart-contract level. For more details, read CNS Architecture, UNS Architecture, and Managing Domain Records.
info
A list of keys supported by Unstoppable Domains can be found in reference json file
Cryptocurrency payments
crypto.ETH.address
Ethereum address to receive cryptocurrency payments.
| Format | Example |
|---|---|
0x[0-9a-fA-F]{40} |
0x0f4a10a4f46c288cea365fcf45cccf0e9d901b94 |
crypto.BTC.address
Bitcoin address to receive cryptocurrency payments.
| Format | Example | |
|---|---|---|
bc1[ac-hj-np-z02-9]{6,87}$ | ^[13][a-km-za-hj-np-z1-9]{25,39} |
1Nb7Mt1EqUqxxrAdmefUovS7aTgMUf2A6m |
crypto.<TICKER>.address
Cryptocurrency address of the ticker.
Multi-chain currencies
Some currencies exist on multiple chains.
crypto.USDT.version.ERC20.address
| Format | Example |
|---|---|
0x[0-9a-fA-F]{40} |
0x8aaD44321A86b170879d7A244c1e8d360c99DdA8 |
crypto.USDT.version.TRON.address
| Format | Example |
|---|---|
[a-zA-Z0-9]{34} |
THG9jVSMfKEbg4vYTYWjmLRyga3CKZdDsk |
crypto.USDT.version.EOS.address
| Format | Example |
|---|---|
[a-z][a-z1-5.]{10}[a-z1-5] |
unstoppabledomains |
crypto.USDT.version.OMNI.address
| Format | Example | |
|---|---|---|
(bc1 | [13])[a-zA-HJ-NP-Z0-9]{25,39} |
16df369whGV8o3DVeGBmfSNwytaqZGWtYJ |
crypto.<TICKER>.version.<VERSION>.address
Cryptocurrency address of ticker version
Browser resolution
Browser resolution is described in the Browser Resolution Algorithm page.
browser.preferred_protocols
Protocols that browser should prioritize to display content for.
| Format | Example |
|---|---|
| JSON serialized array | ["ipfs","http"] |
browser.redirect_url
A fallback URL, to which a user will be redirected if no other resolution method is supported.
| Format | Example |
|---|---|
| RFC-1738 | http://example.com/home.html |
DWeb records
For more details, read Browser Resolution Algorithm - DWeb Records.
dweb.ipfs.hash
IPFS network content hash.
| Format | Example |
|---|---|
[0-9a-zA-Z]{46} |
QmVaAtQbi3EtsfpKoLzALm6vXphdi2KjMgxEDKeGg6wHvK |
dweb.bzz.hash
Swarm network content hash.
| Format | Example |
|---|---|
[0-9a-f]{64} |
d1f25a870a7bb7e5d526a7623338e4e9b8399e76df8b634020d11d969594f24a |
DNS records
For more details, see Browser Resolution Algorithm - DNS Records.
dns.ttl
Default TTL setting for all DNS records.
| Format | Example |
|---|---|
\d+ |
128 |
dns.A
DNS A record IP addresses.
| Format | Example |
|---|---|
| JSON serialized array | ["10.0.0.1","10.0.0.2"] |
dns.A.ttl
TTL setting for all A records.
| Format | Example |
|---|---|
\d+ |
128 |
dns.CNAME
DNS CNAME record IP addresses.
| Format | Example |
|---|---|
| JSON serialized array | ["example.com."] |
dns.CNAME.ttl
TTL setting for all CNAME records.
| Format | Example |
|---|---|
\d+ |
128 |
dns.<RECORD>
Specified DNS record values.
| Format | Example |
|---|---|
| JSON serialized array | ["example.com."] |
dns.<RECORD>.ttl
TTL setting for corresponding type of records.
| Format | Example |
|---|---|
\d+ |
164 |
Deprecated records
ipfs.html.value
Deprecated: use dweb.ipfs.hash instead.
| Format | Example |
|---|---|
[0-9a-zA-Z]{46} |
QmVaAtQbi3EtsfpKoLzALm6vXphdi2KjMgxEDKeGg6wHvK |
ipfs.redirect_domain.value
Deprecated: use browser.redirect_url instead.
| Format | Example |
|---|---|
| RFC-1738 | http://example.com/home.html |
Social records
social.picture.value
Stores data about the PFP of a Web3 domain (type of NFT, contract address, token ID).
| Format | Example |
|---|---|
| None | 1/erc1155:0xc7e5e9434f4a71e6db978bd65b4d61d3593e5f27/14317 |
whois.email.value
Public email addresses of the domain owner.
| Format | Example |
|---|---|
^[^@]+@[^\\.]+\\..+$ |
brad.crypto@ud.me |
whois.for_sale.value
Indicates if a domain if available for sale.
| Format | Example | |
|---|---|---|
(true) | (false) |
true |
forwarding.url
Off-chain source to implement records forwarding. For example, if you want to change your crypto.ETH.address every 10 seconds, you may set the forwarding.url record to https://my-record-provider/records/bob and make sure that URL returns a different crypto.ETH.address all the time.
| Format | Example |
|---|---|
^(https?)://[^\\s/$.?#].[^\\s]*$ |
https://my-record-provider/records/bob |
Deprecated records
social.twitter.username
Twitter username of the domain owner.
| Format | Example |
|---|---|
| None | giozaarour |
validation.social.twitter.username
A signature generated by some authority confirming the domain owner indeed possesses this Twitter username.
| Format | Example |
|---|---|
| None | 0x7623989b6437e52560b3b5ac13a6bbcb64ac4274d25daa877379d99d7c9ebcae51a845f7a9a18cd7465b5c12d7fefaf3655fe4bc4abed1aea1dc5e04f2f67bff1b |
gundb.username.value
gundb.public_key.value
social.payid.name