DNS Report: openclassrooms.com

Generated: 2026-08-10T15:59:26-05:00

81/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 IPv6 address(es) detected.
OKName server redundancy20/202 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5562 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
104.18.15.226
104.18.14.226
AAAA
2606:4700::6812:fe2
2606:4700::6812:ee2
CNAME
MX
1 smtp.google.com.
TXT
"apple-domain-verification=eLodIHj2vhR9lugh"
"Kxf8htyU=c9682c5ba444c33cbf57e97be8cdb490"
"miro-verification=e3bf6738d9d0b093d6f376ec7083f7aa949b4ae9"
"v=spf1 include:mailgun.org include:_spf.salesforce.com include:mail.zendesk.com include:_spf.google.com ip4:54.174.16.18 ip4:52.201.1.182 ip4:34.206.74.100 ip4:35.156.188.4 ip4:35.156.118.121 ip4:35.158.156.37 ip4:18.195.44.92 ~all"
"google-site-verification=as773-Br6AbX2z0m4GFK707futD1TlTmWRxKpza2bus"
"figma-domain-verification=b4855041d333147a44dda6eb3d287c28c316516711d8a2c8a9dd1bf42f13c9ed-1728986686"
"Sendinblue-code:44c70bc1d5a742e2d07c6f8744ee4def"
"google-site-verification=D3uXyLElE31RCouIVVGvRonwT9TKKPYbpTEQRtQC5mM"
"jamf-site-verification=29mRdDTT40s4zdfglLhJxw"
"atlassian-domain-verification=6gmMY7s1L92PhZ0M+Kr8bNk21XlKopm+aUvqNLjwWg9TL+zsoU7JrEivw/P460x8"
"c2a481d1e8ef1df47149007842c2a448"
"google-site-verification=_F1enPejZyv08M3rBrhfxdle_VpNSxxwxWdcGJRXzUk"
"facebook-domain-verification=etty6jmg2dug16uxir8r83bjpw12rz"
"google-site-verification=EUjYNeCS5YTXeAGwnptXDpbgHL7velgfPpy53rkkn-U"
"heritage=external-dns,external-dns/owner=eks-app-production-eu-west-3,external-dns/resource=ingress/sdzv4-backend-production/backend-common"
"dropbox-domain-verification=vbwmzx8pg6hx"
"teamviewer-sso-verification=5760bab05a3c4fbea95ee07dcb2fffef"
"wrike-verification=MTQwNTk1MjpmODUzZGUzMjZkYjZlNzYzZDM2NjQ2YmNiM2IyODM1MThlNjIzMzc5YWFhYTg5NzgwODM4NTE1NDQwOGM5MDRi"
"google-site-verification=cjs3yTPWmtAmTITMK8HTVYXMolST1dEcMV_xcvGQqUo"
"google-site-verification=AUfXTxZiNMlJVUMEOV-rE-3qXXDzCs7bWKO1WAkSXsw"
"atlassian-sending-domain-verification=9a4e7011-1022-40e9-85f2-42de81bd80f4"
"MS=ms14097912"
"Dynatrace-site-verification=022b23d9-99ed-4801-b628-de1712a28979__op1lvli1qhs0m4o2v7octr9u58"
"hubspot-domain-verification=MGE2NzA2MjQtM2E0Yi00YWZhLThmODUtZGQ1M2U3MTMzZmYz"
NS
rob.ns.cloudflare.com.
zara.ns.cloudflare.com.
SOA
rob.ns.cloudflare.com. dns.cloudflare.com. 2411878017 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP