DNS Report: kenkyuukai.jp

Generated: 2026-08-12T06:40:31-05:00

74/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 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 records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5580 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: ec2-13-113-169-221.ap-northeast-1.compute.amazonaws.com
WARNINGIPv4 diversity20/35Two 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
13.113.169.221
AAAA
CNAME
MX
10 dmail.kagoya.net.
TXT
"v=spf1 +a +mx +ip4:54.65.159.151 +ip4:54.64.166.22 +ip4:210.128.108.0/23 +ip6:2001:e41:3b6a:7835:21c:c4ff:febf:e7d0 include:amazonses.com include:kagoya.net ~all"
NS
ns-1760.awsdns-28.co.uk.
ns-45.awsdns-05.com.
ns-1356.awsdns-41.org.
ns-946.awsdns-54.net.
SOA
ns-1356.awsdns-41.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP