ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage", "Hashtag": "as:Hashtag" } ], "id": "https://infosec.exchange/users/resingm/statuses/111504710160600705", "type": "Note", "summary": null, "inReplyTo": null, "published": "2023-12-01T10:34:11Z", "url": "https://infosec.exchange/@resingm/111504710160600705", "attributedTo": "https://infosec.exchange/users/resingm", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://infosec.exchange/users/resingm/followers" ], "sensitive": false, "atomUri": "https://infosec.exchange/users/resingm/statuses/111504710160600705", "inReplyToAtomUri": null, "conversation": "tag:infosec.exchange,2023-12-01:objectId=114374883:objectType=Conversation", "content": "<p>Glad to see that Verisign plans ahead for a <a href=\"https://infosec.exchange/tags/DNSSEC\" class=\"mention hashtag\" rel=\"tag\">#<span>DNSSEC</span></a> algorithm rollover for the <code>com.</code> TLD. The plan is to discard algorithm 8 (RSA/SHA256) and instead deploy algorithm 13 (ECDSA/SHA-256). Great to see that the largest TLD of planet earth moving towards algorithms with smaller key sizes.</p><p>I checked my <a href=\"https://infosec.exchange/tags/pdns\" class=\"mention hashtag\" rel=\"tag\">#<span>pdns</span></a> database of my public resolvers. To give a comparison for the size reduction (and the reduction of DNS R/A potential):</p><p><code>com.</code>, signed with algorithm 8 returned close to 936 bytes of data.<br><code>nl.</code>, signed with algorithm 13 returns 289 bytes of data.</p><p>This is a reduction of ~70% of the response sizes for DNSSEC validation.</p><p>The rollover is to be expected on or around December 07. More on it in their <a href=\"https://blog.verisign.com/security/dnssec-algorithm-update/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">blog</a>.</p><p><a href=\"https://infosec.exchange/tags/dns\" class=\"mention hashtag\" rel=\"tag\">#<span>dns</span></a> <a href=\"https://infosec.exchange/tags/tld\" class=\"mention hashtag\" rel=\"tag\">#<span>tld</span></a> <a href=\"https://infosec.exchange/tags/ddos\" class=\"mention hashtag\" rel=\"tag\">#<span>ddos</span></a></p>", "contentMap": { "en": "<p>Glad to see that Verisign plans ahead for a <a href=\"https://infosec.exchange/tags/DNSSEC\" class=\"mention hashtag\" rel=\"tag\">#<span>DNSSEC</span></a> algorithm rollover for the <code>com.</code> TLD. The plan is to discard algorithm 8 (RSA/SHA256) and instead deploy algorithm 13 (ECDSA/SHA-256). Great to see that the largest TLD of planet earth moving towards algorithms with smaller key sizes.</p><p>I checked my <a href=\"https://infosec.exchange/tags/pdns\" class=\"mention hashtag\" rel=\"tag\">#<span>pdns</span></a> database of my public resolvers. To give a comparison for the size reduction (and the reduction of DNS R/A potential):</p><p><code>com.</code>, signed with algorithm 8 returned close to 936 bytes of data.<br><code>nl.</code>, signed with algorithm 13 returns 289 bytes of data.</p><p>This is a reduction of ~70% of the response sizes for DNSSEC validation.</p><p>The rollover is to be expected on or around December 07. More on it in their <a href=\"https://blog.verisign.com/security/dnssec-algorithm-update/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">blog</a>.</p><p><a href=\"https://infosec.exchange/tags/dns\" class=\"mention hashtag\" rel=\"tag\">#<span>dns</span></a> <a href=\"https://infosec.exchange/tags/tld\" class=\"mention hashtag\" rel=\"tag\">#<span>tld</span></a> <a href=\"https://infosec.exchange/tags/ddos\" class=\"mention hashtag\" rel=\"tag\">#<span>ddos</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://infosec.exchange/tags/dnssec", "name": "#dnssec" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/pdns", "name": "#pdns" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/dns", "name": "#dns" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/tld", "name": "#tld" }, { "type": "Hashtag", "href": "https://infosec.exchange/tags/ddos", "name": "#ddos" } ], "replies": { "id": "https://infosec.exchange/users/resingm/statuses/111504710160600705/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://infosec.exchange/users/resingm/statuses/111504710160600705/replies?only_other_accounts=true&page=true", "partOf": "https://infosec.exchange/users/resingm/statuses/111504710160600705/replies", "items": [] } }, "likes": { "id": "https://infosec.exchange/users/resingm/statuses/111504710160600705/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://infosec.exchange/users/resingm/statuses/111504710160600705/shares", "type": "Collection", "totalItems": 0 } }