www.checkwebtools.com. 30 IN A 104.21.52.137 www.checkwebtools.com. 30 IN A 172.67.199.181 www.checkwebtools.com. 30 IN AAAA 2606:4700:3035::ac43:c7b5 www.checkwebtools.com. 30 IN AAAA 2606:4700:3035::6815:3489