Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

Total

DNS

Email

Security

Network

100

Availability

Domainnikkeibp.co.jp

IPv42

IPv60

MX records1

StatusActive

Domain technical report

日経BP

nikkeibp.co.jp

日経BPは日本経済新聞グループの一員として、経営・技術・生活という3分野で主にビジネスパーソンに向けて事業を展開しています。その内容は、雑誌・書籍の出版事業、デジタル事業、展示会・セミナーなどのイベント事業、調査・コンサルティング事業など、多種多彩なメディアとサービスを駆使して、高付加価値の先端・専門情報を提供しています。

Generated: 2026-08-09T00:29:12-05:00 · Cached result

JSON CSV PDF Visit site

IPv42

IPv60

MX1

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

188 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-18-178-178-234.ap-northeast-1.compute.amazonaws.com

✓

IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

18.178.178.234
54.95.222.56

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 nikkeibp-co-jp.mail.protection.outlook.com.

TXT

7 record(s)

"google-site-verification=NyiiSK1BoHfHhYsS62-P5MbgN0NUmtUGtfYagzpuCqc"
"m4YSVLFkITYGEfkFEuiMzkQI4saG3Z"
"pardot906132=186eacbc142fef3b8dc5d1512baffaa5a540677a3ab587372aac5e7791bc3536"
"MS=ms50120014"
"adobe-idp-site-verification=d03e2d991fa1d9b93e2727574a887b7f18e15af3760d26559fd2e6b44f825a7a"
"dropbox-domain-verification=horjtypwszzm"
"v=spf1 include:spf1.nikkeibp.co.jp include:spf.protection.outlook.com ip4:61.122.153.221 include:custhelp.com include:spf.mta.hdems.com ~all"

NS

4 record(s)

ns-47.awsdns-05.com.
ns-1673.awsdns-17.co.uk.
ns-729.awsdns-27.net.
ns-1484.awsdns-57.org.

SOA

1 record(s)

ns-1673.awsdns-17.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

SPF

Configured

v=spf1 include:spf1.nikkeibp.co.jp include:spf.protection.outlook.com ip4:61.122.153.221 include:custhelp.com include:spf.mta.hdems.com ~all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarc-report@nikkeibp.co.jp

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDOA9rMvcfMgf+popmFpVcLudLvZYuSLK7UBmEjpLBYbP2YwrbhlcTJIu0h9YngM6jgpERhG1kwWbjJcWf6m5Zr1vi1ceJz4xIXrFj68qhGaeFAXZ0SFFLr+nxD5Aajxx/F+FVNu0wi9nkth6HVJSZTZ/fqaFeVNO+TOVxnKCyVRwIDAQAB; n=1024,1450117118,1465928318

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

日経BP

Description

Final URL

https://www.nikkeibp.co.jp/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.nikkeibp.co.jp/

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Cybertrust Japan Co., Ltd.

*.nikkeibp.co.jp

Valid from

2026-01-13T18:53:27-06:00

Valid until

2027-02-13T08:59:00-06:00

Days remaining

188

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

0 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

18.178.178.234, 54.95.222.56

100,53 ms

Cloudflare

1.1.1.1

18.178.178.234, 54.95.222.56

106,94 ms

Quad9

9.9.9.9

18.178.178.234, 54.95.222.56

53,51 ms

OpenDNS

208.67.222.222

18.178.178.234, 54.95.222.56

108,72 ms

AdGuard

94.140.14.14

18.178.178.234, 54.95.222.56

208,78 ms

IP, geolocation and ASNAssociated network information

18.178.178.234

No data

success

country

region

city

asn

organization

isp

54.95.222.56

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

nikkeibp-co-jp.mail.protection.outlook.com

Port 25: Closed/unreachable - 26.7 ms - 
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 4048.6 ms -

Recently analyzed domains

View all →

chiba.jp4 jeito.nl97 ab.ca4 gsa.gov95 ukrinform.net73 coloradocollege.edu78 webkit.org83 springer.de71 webassembly.org63 active24.cz95