DNS Report: sparknotes.com

Generated: 2026-08-09T11:16:03-05:00

68/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 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.
OKDNS propagation10/10Agreement 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 certificate55/5530 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.
ERRORIPv6 connectivity0/35AAAA 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
65.204.48.118
161.221.74.213
AAAA
CNAME
MX
10 mxa-00189e01.gslb.pphosted.com.
10 mxb-00189e01.gslb.pphosted.com.
TXT
"MS=ms56458472"
"v=spf1 mx include:spf-00189e01.pphosted.com include:spf.protection.outlook.com include:spf.mandrillapp.com ~all"
"stripe-verification=8ddba2709cffbeabf91bf6ac68001a18bc3570a1daf8070f676801d0bd20665d"
"uj0Q21bEiaQelRZbQ/S1tW0ybQGz3gvPZK23zNL3aXJUgDwU41O7uA+8sAqCmPTM6mPosAIm1S8oXe8Iglc9/A=="
"q26up9akffho7d1v6kt71pse20"
NS
ns2.barnesandnoble.com.
ns4.barnesandnoble.com.
ns3.barnesandnoble.com.
mail9th1.barnesandnoble.com.
SOA
pnjmasterns01.barnesandnoble.com. domainadmin.book.com. 2026021800 7200 3600 2592000 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP