{"kind":"host","input":"jobs.tcu.edu","report":{"host":"jobs.tcu.edu","checkedAt":"2026-11-03T11:43:32.345Z","a":{"status":"found","values":["52.85.193.79","52.85.193.89","52.85.193.49","52.85.193.129"],"ttl":60,"via":"Cloudflare","cname":["8y5drmmdqh.9ba0211ccf5882d99e0be45e50282080.careersite.pageuppeople.com","d370j4q9nux7px.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:215a:9e00:5:6dd3:d540:93a1","2600:9000:215a:5800:5:6dd3:d540:93a1","2600:9000:215a:a400:5:6dd3:d540:93a1","2600:9000:215a:5200:5:6dd3:d540:93a1","2600:9000:215a:b600:5:6dd3:d540:93a1","2600:9000:215a:fe00:5:6dd3:d540:93a1","2600:9000:215a:1000:5:6dd3:d540:93a1","2600:9000:215a:5e00:5:6dd3:d540:93a1"],"ttl":60,"via":"Cloudflare","cname":["8y5drmmdqh.9ba0211ccf5882d99e0be45e50282080.careersite.pageuppeople.com","d370j4q9nux7px.cloudfront.net"]},"verdict":"dual-stack","www":{"host":"www.jobs.tcu.edu","a":{"status":"found","values":["52.85.193.49","52.85.193.89","52.85.193.129","52.85.193.79"],"ttl":60,"via":"Cloudflare","cname":["8y5drmmdqh.9ba0211ccf5882d99e0be45e50282080.careersite.pageuppeople.com","d370j4q9nux7px.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:215a:8400:5:6dd3:d540:93a1","2600:9000:215a:1600:5:6dd3:d540:93a1","2600:9000:215a:3c00:5:6dd3:d540:93a1","2600:9000:215a:4800:5:6dd3:d540:93a1","2600:9000:215a:6800:5:6dd3:d540:93a1","2600:9000:215a:3e00:5:6dd3:d540:93a1","2600:9000:215a:9800:5:6dd3:d540:93a1","2600:9000:215a:ac00:5:6dd3:d540:93a1"],"ttl":60,"via":"Cloudflare","cname":["8y5drmmdqh.9ba0211ccf5882d99e0be45e50282080.careersite.pageuppeople.com","d370j4q9nux7px.cloudfront.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its nameservers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"jobs.tcu.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:215a:9e00:5:6dd3:d540:93a1","result":"answers","port":443},{"address":"2600:9000:215a:5800:5:6dd3:d540:93a1","result":"answers","port":443},{"address":"2600:9000:215a:a400:5:6dd3:d540:93a1","result":"answers","port":443},{"address":"2600:9000:215a:5200:5:6dd3:d540:93a1","result":"answers","port":443},{"address":"2600:9000:215a:b600:5:6dd3:d540:93a1","result":"not tested"},{"address":"2600:9000:215a:fe00:5:6dd3:d540:93a1","result":"not tested"},{"address":"2600:9000:215a:1000:5:6dd3:d540:93a1","result":"not tested"},{"address":"2600:9000:215a:5e00:5:6dd3:d540:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.jobs.tcu.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:215a:8400:5:6dd3:d540:93a1","result":"answers","port":443},{"address":"2600:9000:215a:1600:5:6dd3:d540:93a1","result":"answers","port":443},{"address":"2600:9000:215a:3c00:5:6dd3:d540:93a1","result":"answers","port":443},{"address":"2600:9000:215a:4800:5:6dd3:d540:93a1","result":"answers","port":443},{"address":"2600:9000:215a:6800:5:6dd3:d540:93a1","result":"not tested"},{"address":"2600:9000:215a:3e00:5:6dd3:d540:93a1","result":"not tested"},{"address":"2600:9000:215a:9800:5:6dd3:d540:93a1","result":"not tested"},{"address":"2600:9000:215a:ac00:5:6dd3:d540:93a1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record."},{"key":"dns","label":"Nameservers have IPv6","status":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"ns99.tcu.edu","ipv6":false},{"host":"ns1.tcu.edu","ipv6":false}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://jobs.tcu.edu/","address":"2600:9000:215a:9e00:5:6dd3:d540:93a1","status":200,"tls":"valid"}]},"receiptId":"M49CRHImsv","reused":true,"measuredAt":"2026-11-03T11:43:32.587Z"}