www.domainengineering.org. 30 IN A 172.67.172.194 www.domainengineering.org. 30 IN A 104.21.30.107 www.domainengineering.org. 30 IN AAAA 2606:4700:3030::6815:1e6b www.domainengineering.org. 30 IN AAAA 2606:4700:3036::ac43:acc2