DNS Report: lynda.com

Generated: 2026-08-09T08:01:40-05:00

76/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/101 IPv6 address(es) detected.
OKName server redundancy20/208 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/204 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 certificate55/55110 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: 14.32.211.130.bc.googleusercontent.com
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
130.211.32.14
AAAA
2600:1901:0:d5ad::
CNAME
MX
10 mail-a.linkedin.com.
15 mail-c.linkedin.com.
15 mail-d.linkedin.com.
20 mail.linkedin.com.
TXT
"_xqfeq9o3rn2e8qlraki47908h5c9mf1"
"MS=ms56649312"
"v=spf1 ip4:216.84.189.0/24 ip4:64.18.0.0/20 ip4:91.143.106.55 ip4:107.21.2.3 a:zgateway.zuora.com include:_spf.google.com include:mktomail.com include:_spf1.lynda.com include:linkedin.com ~all"
"google-site-verification=otgwTIY9F-b-FfbfbUI2VALTkgGcwyo7qhoj6vzSDIA"
"MS=ms48400913"
"wz2pkrghvpwld0jlvm13jqlqxqjtq6bn"
NS
ns1-42.azure-dns.com.
dns4.p09.nsone.net.
dns1.p09.nsone.net.
ns3-42.azure-dns.org.
ns2-42.azure-dns.net.
ns4-42.azure-dns.info.
dns2.p09.nsone.net.
dns3.p09.nsone.net.
SOA
dns1.p09.nsone.net. hostmaster.linkedin.com. 1653609938 3600 600 604800 60
CAA
0 contactemail "caarecordaware@microsoft.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP