No, Teams, this is not good to know. I don't, in fact, know what this means. I don't, in further fact, want to know what this means. While we are on the subject of facts, it is a fact that nothing I have ever received on Teams has been "good to know"
While cleaning a storage room, our staff found this tape containing #UNIX v4 from Bell Labs, circa 1973
Apparently no other complete copies are known to exist:
I've seen authoritative responses you people wouldn't believe. SRV records on fire off the shoulder of ISC BIND. I watched CNAMEs glitter in the dark near the Default Gateway. All those zone files will be lost in time, like TXTs in rain. Time To Live expired.