Couldn't retrieve https://https://hpbloger4u21.blogspot.com/, and the only explanation I have is:

500 Can't connect to https::443 Content-Type: text/plain Client-Date: Thu, 28 Mar 2024 12:40:46 GMT Client-Warning: Internal response Can't connect to https::443 LWP::Protocol::https::Socket: getaddrinfo: Name or service not known at /usr/local/lib/perl5/site_perl/5.8.8/LWP/Protocol/http.pm line 49.