DNS Report: udacity.com

Generated: 2026-08-09T02:06:33-05:00

81/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 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.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/202 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 certificate55/55177 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers19/355 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: server-3-166-96-10.mci50.r.cloudfront.net
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA 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
3.166.96.10
3.166.96.27
3.166.96.50
3.166.96.103
AAAA
CNAME
MX
10 mxb-00593801.gslb.pphosted.com.
10 mxa-00593801.gslb.pphosted.com.
TXT
"cursor-domain-verification-7zn380=ChGiB1Fhp14asve0cCXYyhxFn"
"google-site-verification=FJqQiq8r-ExkN9kiVDy44SL2wkm6VS8zka0HUkunGME"
"apple-domain-verification=iaobRRgsJ5xUkcuj"
"v=spf1 include:_spf.google.com include:sendgrid.net include:mail.zendesk.com include:mktomail.com include:_spf.salesforce.com include:244199112.spf08.hubspotemail.net ip4:205.220.165.99 ip4:205.220.177.99 -all"
"atlassian-domain-verification=mBjfUMIIMEpsVsE5wql1jKvzxVpCWKZwpnSWFbY51pnIrp5nSd+8xJn4GKhfHK7j"
"facebook-domain-verification=q0sgl66mvrtj3ivlf1s98bn6gxvii2"
"atlassian-domain-verification=59aeShSTbEvs7cB33k4Wsvath8fOirTAy79UnAbOloto0AyhJb41hHFK8SGb8zxF"
"status-page-domain-verification=y08j3wqb2sw9"
"atlassian-sending-domain-verification=4a498916-8f31-4a42-b4ec-758ee24b79e4"
NS
ns-1549.awsdns-01.co.uk.
ns-1014.awsdns-62.net.
ns-13.awsdns-01.com.
ns-1109.awsdns-10.org.
SOA
ns-1549.awsdns-01.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
DNSKEY
256 3 13 RWACxFirJUIFSs+zPdC1nWclpcKYIP7OReHBSFqBL7yjINUT9lZz9YJ8 8gD5ruvTMp9nAQEs9XlYz3CxASFJyQ==
256 3 13 TRMG5ywKsL0IwTcq6TKNkr/jgH1QybYBgkAButMscDo2zZOZwcgmYI+H G0VpwpJXsY4rlGlCIDMI1Yq8SnPmyA==
257 3 13 qSxBu+1ou5xBwi250SHT+I/DHFzG9ZV6Yto+LJepvHBnJo6M9AAUa9vQ +IpZ5a9FG/nLHqmFw9K712kgLTvG1Q==
RRSIG
NS 13 2 172800 20260811080631 20260809060631 43260 udacity.com. UktuctyVd8frSIpteYOJTJfWjwmzbALzRipsyER+wud2B39dm1vfC2uB mBOiUmz5YK6JeFNu5WODKrrGi3QpAw==
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP