linkedin.com/A: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (204.13.251.43, 2001:500:90:1::43, UDP_-_EDNS0_4096_D_KN)
linkedin.com/AAAA: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (204.13.250.43, 204.13.251.43, 208.78.71.43, 2001:500:90:1::43, UDP_-_EDNS0_4096_D_KN)
linkedin.com/MX: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (204.13.250.43, 204.13.251.43, UDP_-_EDNS0_4096_D_KN)
linkedin.com/SOA: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (204.13.250.43, 204.13.251.43, 208.78.71.43, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
linkedin.com/TXT: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (208.78.71.43, 2001:500:90:1::43, UDP_-_EDNS0_4096_D_KN)
06v3zn8wg5.linkedin.com/A has warnings; select the "Denial of existence" DNSSEC option to see them.
linkedin.com/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
linkedin.com/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.