You're right: dig www.un.org gives
;; ANSWER SECTION:
www.un.org. XXXX IN CNAME d1z8tokz9k79tw.cloudfront.net.
Some of the Wayback snapshots got through, e.g. [1].
What alternatives to #Cloudflare can be proposed to UN web sysadmins? Recent thread including @selea @martijn has suggestions such as https://noc.org and
# apt install fail2ban crowdsec
in [3].
The UN docs server is even worse: https://undocs.org it's Amazon and the pdfs are un-archivable.
But there's a workaround.
Official UN records, UN documents, and UN public relations material is generally in the public domain [1]. Volunteers can enter any UN record/document/PR into Wikisource and verify it: UNHDR1948 [2], UNSCR1325 [3], 2023 UNSCRs: missing [4].
[1] https://en.wikisource.org/wiki/Administrative_Instruction_ST/AI/189/Add.9/Rev.2
[2] https://en.wikisource.org/wiki/Universal_Declaration_of_Human_Rights
[3] https://en.wikisource.org/wiki/United_Nations_Security_Council_Resolution_1325
[4] https://en.wikisource.org/wiki/Portal:United_Nations_Security_Council_Resolutions/2023