Generated: 2026-08-08T22:24:04-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 2 IPv4 address(es) detected. |
| OK | IPv6 (AAAA) | 10/10 | 2 IPv6 address(es) detected. |
| OK | Name server redundancy | 20/20 | 2 NS record(s); 2 or more required. |
| OK | SOA record | 10/10 | Authoritative zone record. |
| ERROR | DNSSEC chain | 0/15 | Both DS and DNSKEY are required. |
| ERROR | CAA policy | 0/5 | Certificate authority restriction. |
| OK | DNS propagation | 10/10 | Agreement between public resolvers. |
| OK | MX records | 20/20 | 1 MX record(s). |
| OK | SPF | 25/25 | SPF policy published. |
| OK | DMARC | 25/25 | DMARC policy published. |
| OK | DKIM | 20/20 | A DKIM selector was verified. |
| ERROR | MTA-STS | 0/5 | Mail transport policy. |
| ERROR | TLS-RPT | 0/5 | TLS reporting policy. |
| OK | Valid TLS certificate | 55/55 | 89 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 4/35 | 1 of 9 evaluated headers detected. |
| ERROR | PTR reverse DNS | 0/30 | PTR not detected. |
| OK | IPv4 diversity | 35/35 | Two or more IPv4 addresses receive full points. |
| OK | IPv6 connectivity | 35/35 | AAAA availability. |
| OK | DNS resolution | 40/40 | At least one address family must resolve. |
| OK | HTTP response | 40/40 | HTTP/2 200 |
| OK | HTTPS final URL | 20/20 | Final URL uses HTTPS. |
| Tipo | Values |
|---|---|
| A | 104.17.183.120 104.17.184.120 |
| AAAA | 2606:4700::6811:b778 2606:4700::6811:b878 |
| CNAME | |
| MX | 5 codecademy-com.mail.protection.outlook.com. |
| TXT | "MS=79764F463C8CD2E367B5BF7B1DF1B1C9FFE48501" "v=DKIM1; p=" "google-site-verification=1pIE7oxQFgbaSths1CckFlGEYBHxpp5pD9F_ZUCcSVA" "google-site-verification=BAzjINWd55GJVC7I66cdi0SXSLENbMENU9tqByphDmQ" "segment-site-verification=NJFFQLAhEEX3Uyz0vgrzNf3fplm6iYsg" "google-site-verification=dqlGjeLuQLofS51hgFB6ptoJWM0EkcPoe7G1gmL9muw" "google-site-verification=wkpord_VFYRlAcjf2hV21FHnsScCpA9YiMOQqACXsvQ" "google-site-verification=H0SayPMoRT_4rzjNrg2YvbxiRvQbqSTlwSM0D0wht8U" "google-site-verification=0pRbsGszBlAjZisxsJ2qJLXoXIKCdDlCSK_67hy5BjY" "Mosyle-verification-1750951629" "google-site-verification=BB5unuHbdt4pYsHrMorf_R-mKcUdy5Bk2vvz0Ie_q44" "apple-domain-verification=6j9Dh5BuEBtMWMMg" "google-gws-recovery-domain-verification=57013633" "openai-domain-verification=dv-RFgs6gJx1YSwFBosC1y2RA1n" "facebook-domain-verification=mm5a3aemk4cv9yfjikcr4de2xn0ait" "google-site-verification=M2VbalsxRQjMfelTnHdpgHIeqOKE6CYWnhj6VbGMFH8" "google-site-verification=vIdZhswzF-KMQmIllHFhS6VnmeHUvsCKTccrXjab-Lw" "atlassian-domain-verification=m7Ac1Hv/T4ePJa3hgcqMgYHykrG65YAE+oy9aqlN+aDA0khgC0tZSgx/8G/3x/yv" "MS=ms80117904" "v=spf1 include:customeriomail.com include:mail.zendesk.com include:_spf.google.com include:spf.extole.io include:spf.protection.outlook.com -all" "figma-domain-verification=8c0a9ebe2f3a594d9d85faed8994ef2b073a992b28ea6a3e9fa3dc5582e18c25-1733342680" |
| NS | arnold.ns.cloudflare.com. serena.ns.cloudflare.com. |
| SOA | arnold.ns.cloudflare.com. dns.cloudflare.com. 2411682246 10000 2400 604800 1800 |
| CAA | |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |