DNS Report: nta.co.jp

Generated: 2026-08-11T03:24:32-05:00

53/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/206 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.
ERRORValid TLS certificate0/55No valid certificate was retrieved.
ERRORCertificate lifetime0/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: ns.nta.co.jp
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
202.226.100.130
AAAA
CNAME
MX
3 pop09.nta.co.jp.
2 pop08.nta.co.jp.
TXT
"v=spf1 +ip4:202.226.100.0/23 " "+ip4:14.128.20.126 " "+ip4:203.191.250.22 " "+ip4:203.191.250.23 " "+ip4:124.109.181.7 " "+ip4:52.68.29.63/32 " "+ip4:52.197.98.119/32 " "+ip4:203.180.250.58/32 " "+ip4:203.180.251.105/32 " "+ip4:18.176.97.61 " "+ip4:203.137.191.65 " "+ip4:118.103.94.243 " "+ip4:210.175.69.4 " "+ip4:52.198.90.54 " "+ip4:122.221.93.36 " "+ip4:210.239.65.189 " "+ip4:52.192.228.0/24 " "+ip4:121.83.222.228 " "+ip4:54.95.37.112/32 " "+ip4:52.195.124.147/32 " "+ip4:58.191.47.236 " "+ip4:150.66.55.197 " "+ip4:58.191.47.9 " "+ip4:150.66.58.162 " "+ip4:133.167.105.195 " "include:spf.probance.jp include:asp.cuenote.jp include:webcas.net include:_spf.activegate-ss.jp include:_spf.google.com include:mail.zendesk.com include:amazonses.com ~all"
"apple-domain-verification=hEuaQXQtF3LwIJyK"
"n3Y6k9WkGQrSxD5n2XYAv0IkVgpHyG"
"B9OEgmqMsGMAruNjHtvwCeRy8r67ct"
"google-site-verification=BCQt3tFGUXg1A5oIEnBxMETiVT1UMU8bRJxLNqLSBOY"
NS
a13-65.akam.net.
a1-74.akam.net.
a14-67.akam.net.
a10-64.akam.net.
a3-64.akam.net.
a26-67.akam.net.
SOA
fuji-6.ptop.ad.jp. postmaster.ptopnet.or.jp. 2026072301 600 900 604800 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP