DNS Report: kotobank.jp

Generated: 2026-08-10T16:51:27-05:00

59/100

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.
ERRORMX records0/200 MX record(s).
ERRORSPF0/25SPF policy not found.
ERRORDMARC0/25DMARC policy not found.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/55106 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: server-18-64-183-100.ord58.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
18.64.183.100
18.64.183.80
18.64.183.72
18.64.183.69
AAAA
CNAME
MX
TXT
NS
ns-987.awsdns-59.net.
ns-103.awsdns-12.com.
ns-1143.awsdns-14.org.
ns-1678.awsdns-17.co.uk.
SOA
ns-1143.awsdns-14.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP