#kastner

Live, measured metrics for the hashtag #kastner from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #kastner

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$240.06/ year · 7-character #name
Claim #kastner — $240.06/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.2
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-11-09 01:07 UTC
0
11-03
0
11-04
0
11-05
0
11-06
0
11-07
0
11-08
0
11-09

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-11-09 01:07 UTC
#ErichKästnerGrundschule
0 uses · 0 accounts / 7d
#ErichKästnerPreis
0 uses · 0 accounts / 7d
#kästner
0 uses · 0 accounts / 7d
#ErichKästner
0 uses · 0 accounts / 7d
#JensKastner
0 uses · 0 accounts / 7d
#DominicKästner
0 uses · 0 accounts / 7d
#kastnerohler
0 uses · 0 accounts / 7d
#kastnerundohler
0 uses · 0 accounts / 7d
#ErichKästnerSchule
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-11-09 01:07 UTC

Everything below is measured over the latest 40 public posts (spanning ~20210 hours).

Posting hours (UTC) — busiest: 11:00

00:0012:0023:00

Languages: German (34) · English (5)

Avg boosts / post: 1.8

Top of the latest posts

  • Hab keine #Angst vor den Dummen, die nichts wissen. Hab Angst vor den Schlauen, die nichts fühlen.(Erich Kästner) Mehr Zitate: jangoeritz.de/zitate/ https://bit.ly/3I7ZgYy #Dumme #ErichKästner #fühlen #Gefühle #Kästner #psychotHHerapie #Sch

    psychotHHerapie@psychothherapie@mastodon.social♥ 2↻ 22026-01-25 18:00 UTCView post →

  • Erich Kästner: Neues vom Tage Da hilft kein Zorn. Da hilft kein Spott. Da hilft kein Weinen, hilft kein Beten. Die Nachricht stimmt! Der Liebe Gott ist aus der Kirche ausgetreten. #Lyrik #Kästner

    MichaEL@Aton@norden.social♥ 2↻ 52026-01-11 18:43 UTCView post →

  • Hab keine #Angst vor den Dummen, die nichts wissen. Hab Angst vor den Schlauen, die nichts fühlen.(Erich Kästner) Mehr Zitate: jangoeritz.de/zitate/ https://bit.ly/3I7ZgYy #Dumme #ErichKästner #fühlen #Gefühle #Kästner #psychotHHerapie #Sch

    psychotHHerapie@psychothherapie@mastodon.social♥ 1↻ 22026-03-03 18:58 UTCView post →

What “kastner” means

Wikipedia

Kastner is a German language surname, originating from the medieval occupation Kastner. Notable people with the surname include:Bruno Kastner (1890–1932), German actor Daniel Kastner, Austrian footballer Daniel L. Kastner, American researcher and physician Elliott Kastner (1930–2010), American film producer Hermann Kastner (1886–1957), German politician Jean-Georges Kastner (1810–1867), French composer and musicologist John Kastner, Canadian musician and composer Karl Wilhelm Gottlob Kastner (17

“Kastner” on Wikipedia (CC BY-SA) →

#kastner across platforms

every network with a public tag surface

Follow #kastner straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/kastner