DNS Report: kyobobook.co.kr

Generated: 2026-08-10T16:02:15-05:00

70/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/202 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 certificate55/55111 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.
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
103.182.126.20
AAAA
CNAME
MX
0 kyobobook-co-kr.mail.protection.outlook.com.
TXT
"MS=5E25DCA8024C9B1AA854F73F500386E66BB2C998"
"v=spf1 include:spf.protection.outlook.com ip4:103.182.126.150 ip4:103.182.126.23 ip4:103.182.126.22 ip4:211.189.36.155 ip4:103.182.126.214 ip4:1.232.127.232 " "ip4:1.232.127.227 ip4:103.182.126.24 ip4:1.209.119.81 ip4:103.182.126.138 ip4:103.182.126.139 ip4:103.182.126.140 ip4:103.182.126.104 ip4:10.144.41.54 ~all"
"google-site-verification=nhubQ7wk_whVNqFAlyMH-nxVk76cEBk5YxqOGyCZyg4"
"MS=ms19425022"
"_pgeir06zbkn8aw804eoys8katt0mc3m"
"MS=ms60078884"
NS
ns1.kyobobook.co.kr.
ns2.kyobobook.co.kr.
SOA
ns1.kyobobook.co.kr. root.ns1.kyobobook.co.kr. 2026071501 720 360 3600000 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP