Nginx with preferred-chain "ISRG Root X1" - still showing "DST Root CA X3"

VirtualHost configuration:
wildcard NameVirtualHosts and default servers:
*:443 is a NameVirtualHost
default server 1uptoasted.tookan.in (/etc/httpd/conf.d/aaa1uptoasted.tookan.in.conf:7)
port 443 namevhost 1uptoasted.tookan.in (/etc/httpd/conf.d/aaa1uptoasted.tookan.in.conf:7)
port 443 namevhost test12345678.tookan.in (/etc/httpd/conf.d/aaaaaaaaaaaaaaaaaaaaatest12345678.tookan.in.conf:6)
port 443 namevhost supplyhound.tookan.in (/etc/httpd/conf.d/aaaaaaaaaaasupplyhound.tookan.in.conf:5)
port 443 namevhost tamexpressdelivery.tookan.in (/etc/httpd/conf.d/aaaaaaaaatamexpressdelivery.tookan.in.conf:6)
port 443 namevhost yfs.tookan.in (/etc/httpd/conf.d/aaaaaaaayfs.tookan.in.conf:5)
port 443 namevhost tamexpresstest.tookan.in (/etc/httpd/conf.d/aaaatamexpresstest.tookan.in.conf:6)
port 443 namevhost tryparcel.tookan.in (/etc/httpd/conf.d/aaaatryparcel.tookan.in.conf:5)
port 443 namevhost umeform1.tookan.in (/etc/httpd/conf.d/aaaaumeform1.tookan.conf:7)
port 443 namevhost umeform2.tookan.in (/etc/httpd/conf.d/aaaaumeform2.tookan.conf:7)
port 443 namevhost umecory3.tookan.in (/etc/httpd/conf.d/aaaaumeform3.tookan.conf:7)

sharing fewlines there are 2000+ domains we are hosting