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Learn the technical skills to get the job you want. Join over 50 million people choosing Codecademy to start a new career (or advance in their current one).
2 IPv4 address(es) detected.
2 IPv6 address(es) detected.
2 NS record(s); 2 or more required.
Authoritative zone record.
Both DS and DNSKEY are required.
Certificate authority restriction.
Agreement between public resolvers.
1 MX record(s).
SPF policy published.
DMARC policy published.
A DKIM selector was verified.
Mail transport policy.
TLS reporting policy.
89 day(s) remaining.
Full points require at least 30 days remaining.
1 of 9 evaluated headers detected.
PTR not detected.
Two or more IPv4 addresses receive full points.
AAAA availability.
At least one address family must resolve.
HTTP/2 200
Final URL uses HTTPS.
104.17.183.120 104.17.184.120
2606:4700::6811:b778 2606:4700::6811:b878
Not configured
5 codecademy-com.mail.protection.outlook.com.
"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"
arnold.ns.cloudflare.com. serena.ns.cloudflare.com.
arnold.ns.cloudflare.com. dns.cloudflare.com. 2411682246 10000 2400 604800 1800
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
v=spf1 include:customeriomail.com include:mail.zendesk.com include:_spf.google.com include:spf.extole.io include:spf.protection.outlook.com -all
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:dmarc-forensics@skillsoft.com; ruf=mailto:dmarc-records@skillsoft.com; fo=1:s:d
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5JYOC3TBn2WZ/9KJ9UmUNNlHXikGKQrRWWmbCtE2hsV1jjjj+3f1fhd+BIPGcJlwiAvbSi+3ICgMVty9AmH5LP7jJ8rtc1l7HAgijQj6WajDPM0UG/N473DZUi9L9DYAFs5ZUX9hyLUi5w9/PE2dI1tXy7OhuBdufFGqmlqFAi80cbqdIMsz1ljJEVgO2k1hZfnh6TUOPTExC3NgkCi1j8Zu3uXhnLDmTmJ4vg0ZwyJCpEPrPW0Nias1Q30R+K+Ldb5H8Sb8GLVo2TqL2rq5RZYh1lhcAJP24wOdg2/IX6u4lDDevuVOYsYb/ez6LfEnf1IgXitPNo8CJCXgwxpn4QIDAQAB;
5 public resolvers queried.
8.8.8.81.1.1.19.9.9.9208.67.222.22294.140.14.14Port 25: Closed/unreachable - 21.2 ms - Port 465: Closed/unreachable - 4026.5 ms - Port 587: Closed/unreachable - 4047.8 ms -