+ The genesis block header is, thus, encoded as (note that the responses are usually not sorted):
+ </p>
+ <pre>
+v2.0.0.bitcoinheaders.net. 604800 IN AAAA 2603:7b12:b27a:c72c:3e67:768f:617f:c81b
+v2.0.0.bitcoinheaders.net. 604800 IN AAAA 2600:101::
+v2.0.0.bitcoinheaders.net. 604800 IN AAAA 2601::
+v2.0.0.bitcoinheaders.net. 604800 IN AAAA 2602::3b:a3ed:fd7a
+v2.0.0.bitcoinheaders.net. 604800 IN AAAA 2605:ab5f:49ff:ff00:1d1d:ac2b:7c00:0
+v2.0.0.bitcoinheaders.net. 604800 IN AAAA 2604:c388:8a51:323a:9fb8:aa4b:1e5e:4a29</pre>
+ <p>which decodes to</p>
+ <p class="hex">
+ 0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a29ab5f49ffff001d1dac2b7c
+ </p>
+ <p>and the 10,000th filter header encoded as:</p>
+ <pre>
+v2.10000.1.basic.filter.bitcoinheaders.net. 604800 IN AAAA 2601:2dee:3a70:76df:a4aa:5ee9:5285:5cdf
+v2.10000.1.basic.filter.bitcoinheaders.net. 604800 IN AAAA 2600:165:e915:4fba:5588:31fa:473:8326
+v2.10000.1.basic.filter.bitcoinheaders.net. 604800 IN AAAA 2602:25cf:4603:7300::</pre>
+ <p>which decodes to</p>
+ <p class="hex">
+ 65e9154fba558831fa047383262dee3a7076dfa4aa5ee952855cdf25cf460373
+ </p>
+ <p>
+ You can find the <a href="https://git.bitcoin.ninja?p=headersdns">scripts used to generate the zones as well as this website via git.</a>
+ </p>
+ <p>
+ If you want a full block source over a protocol other than Bitcoin-P2P, a anycast-cached Bitcoin Core REST interface endpoint is available at <a href="https://bitcoin-rest.bitcoin.ninja/">https://bitcoin-rest.bitcoin.ninja/</a> for mainnet and <a href="https://testnet.bitcoin-rest.bitcoin.ninja/">https://testnet.bitcoin-rest.bitcoin.ninja/</a> for testnet3. It should go without saying that this should only be used as a backup chain source, never as the primary chain source.