shell:$ nslookup -timeout=2 -retry=1 'about.linkedin.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
about.linkedin.com	canonical name = microsites-cn.linkedin.com.
microsites-cn.linkedin.com	canonical name = microsites.linkedin.com.
microsites.linkedin.com	canonical name = linkedinmicrosites-gnfncuh5f0a9fgbp.z01.azurefd.net.
linkedinmicrosites-gnfncuh5f0a9fgbp.z01.azurefd.net	canonical name = mr-z01.tm-azurefd.net.
mr-z01.tm-azurefd.net	canonical name = shed.dual-low.part-0023.t-0009.t-msedge.net.
shed.dual-low.part-0023.t-0009.t-msedge.net	canonical name = part-0023.t-0009.t-msedge.net.
Name:	part-0023.t-0009.t-msedge.net
Address: 13.107.246.51
Name:	part-0023.t-0009.t-msedge.net
Address: 13.107.213.51
Name:	part-0023.t-0009.t-msedge.net
Address: 2620:1ec:bdf::51
Name:	part-0023.t-0009.t-msedge.net
Address: 2620:1ec:46::51