{"kind":"host","input":"tethers.tech","report":{"host":"tethers.tech","checkedAt":"2026-10-31T13:12:21.020Z","a":{"status":"found","values":["172.67.157.79","104.21.13.196"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3030::6815:dc4","2606:4700:3032::ac43:9d4f"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.tethers.tech","a":{"status":"found","values":["104.21.13.196","172.67.157.79"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::ac43:9d4f","2606:4700:3030::6815:dc4"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"tethers.tech has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3030::6815:dc4","result":"answers","port":443},{"address":"2606:4700:3032::ac43:9d4f","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.tethers.tech has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::ac43:9d4f","result":"answers","port":443},{"address":"2606:4700:3030::6815:dc4","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"receive-euw1.forge.rmta.net","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"coco.ns.cloudflare.com","ipv6":true},{"host":"frank.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://tethers.tech/","address":"2606:4700:3030::6815:dc4","status":200,"tls":"valid"}]},"receiptId":"HfAum8s2zA"}