shell:$ nslookup -timeout=2 -retry=1 'zerossl.ocsp.sectigo.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
zerossl.ocsp.sectigo.com	canonical name = ocsp.sectigo.com.
ocsp.sectigo.com	canonical name = ocsp.comodoca.com.cdn.cloudflare.net.
Name:	ocsp.comodoca.com.cdn.cloudflare.net
Address: 104.18.38.233
Name:	ocsp.comodoca.com.cdn.cloudflare.net
Address: 172.64.149.23
Name:	ocsp.comodoca.com.cdn.cloudflare.net
Address: 2a06:98c1:310a::6812:26e9
Name:	ocsp.comodoca.com.cdn.cloudflare.net
Address: 2606:4700:4408::ac40:9517