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Total

DNS

Email

Security

Network

100

Availability

Domainjtb.co.jp

IPv42

IPv60

MX records1

StatusActive

Domain technical report

JTB公式｜海外旅行・国内旅行｜ツアー・ホテル・旅館・宿の予約サイト

jtb.co.jp

旅行予約はＪＴＢ！安心と信頼の海外ツアー「ルックＪＴＢ」や、高級ホテル・旅館から格安プランまで揃った国内ツアー「エースＪＴＢ」のほか、格安航空券やオプショナルツアー、レストラン予約まで。旅を楽しくする多彩なラインナップが満載！

Generated: 2026-08-10T17:38:51-05:00 · Cached result

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IPv42

IPv60

MX1

NS2

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

2 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

76 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: ec2-35-74-105-176.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)

35.74.105.176
54.168.183.217

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 jtb-co-jp.mail.protection.outlook.com.

TXT

17 record(s)

"HO4ab5UUZgK4ZAhXr9XS9i7KEfGycF"
"5nyt672fkh3l14bmsb2yf605rz2pt705"
"MS=ms98460160"
"A8966B3613B574F057EAD5DCB69B"
"_globalsign-domain-verification=COtzDZGL0hib9QfK5h1uimwy_9cnQkMYxQl32UFzxn"
"AEFACCD4C443DA08986FAAC12993"
"v=spf1 ip4:52.196.62.145 ip4:54.178.96.226 ip4:124.109.181.7 ip4:164.46.203.94 ip4:165.76.179.0/25 ip4:167.89.57.37 ip4:167.89.57.55 ip4:167.89.57.48 ip4:149.72.1.137 ip4:149.72.1.148 ip4:149.72.1.153 ip4:149.72.1.142 ip4:149.72.1.143 ip4:149.72.1.146 ip4" ":149.72.34.16 ip4:150.66.56.107 ip4:150.66.57.167 include:spf.maildealer.jp include:spf.ecbeing.co.jp include:smp.ne.jp include:amazonses.com ~all"
"ifzsoDKNb8Akt2Jde5QKu7M0UFShbz"
"_globalsign-domain-verification=9W13aYBFojtVZblV-_PJ_W701S30MWfPgBo4E2ZqKY"
"google-site-verification=e1W4BNvYaoEFVf7hkbzP63sRCpXyD_95AeuN5Fnv0GI"
"google-site-verification=K2Clnz9pfdK7E_rJSB1gcsY80vyI8yrz6Zzuef7QWMI"
"9o213695gb0ioui1p9glb37j61"
"HRcPAnp3dw23NWpdG0bVCpIcf1m6aH"
"kfg18sta2phe17197qmc4ecuhv"
"google-site-verification=ZVDsjOZjGFwL4GJJDKuygYLpVz5Nr_Bxt66x7q2RDnY"
"google-site-verification=Ct5XaQ6xNqXIX2STuahoVA05LORFggJz-bLSM3dcvoo"
"r8pncapi0ciu2ed2vqu91mblr3"

NS

2 record(s)

ns00.vips.ne.jp.
ns01.vips.ne.jp.

SOA

1 record(s)

ns00.vips.ne.jp. helpdesk.jens.jp. 2026081002 10800 1800 1209600 3600

SPF

Configured

v=spf1 ip4:52.196.62.145 ip4:54.178.96.226 ip4:124.109.181.7 ip4:164.46.203.94 ip4:165.76.179.0/25 ip4:167.89.57.37 ip4:167.89.57.55 ip4:167.89.57.48 ip4:149.72.1.137 ip4:149.72.1.148 ip4:149.72.1.153 ip4:149.72.1.142 ip4:149.72.1.143 ip4:149.72.1.146 ip4:149.72.34.16 ip4:150.66.56.107 ip4:150.66.57.167 include:spf.maildealer.jp include:spf.ecbeing.co.jp include:smp.ne.jp include:amazonses.com ~all

DMARC

Configured

v=DMARC1; p=none; pct=100; rua=mailto:activevault@archive.jtb.com

DKIM

Selector s1

k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzcCx55EeIperoeUZnqcchGtCIrmDVhbHLKG8k+iofdWkFnVvoJAC3yavVs00E5xrk8ncaXfOQaeowAuUBgTfHWkQH4B/iNQNgsbSkfUsTphV1GLWS0Oo5tBc596Zq0RgvgG4Ofwq8ttWfhMkBXZN8xrxFHIvCcM7bbrgbc8GOeNnYLq3EOVW/Nv6qcJWozajVwF6xDkQJuhDwKKlpX6u9pOCuh41Rx3tMnt8AzcxxDpVgoudoqKFE73rwTM5GXPj/NtRxxiFJ+p7Vp6kZmLSVEttpNqMGfrN69m2vEDkhfL4LLSaVlNhta65X24u+jTbnWdBZdudhBexJCmkvCWP9wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

JTB公式｜海外旅行・国内旅行｜ツアー・ホテル・旅館・宿の予約サイト

Description

Final URL

https://www.jtb.co.jp:443/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.jtb.co.jp:443/

Version

Server

Microsoft-IIS

X-Powered-By

ASP.NET

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Cybertrust Japan Co., Ltd.

*.jtb.co.jp

Valid from

2026-04-12T19:19:29-05:00

Valid until

2026-10-26T09:59:00-05:00

Days remaining

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

35.74.105.176, 54.168.183.217

203,27 ms

Cloudflare

1.1.1.1

35.74.105.176, 54.168.183.217

384,69 ms

Quad9

9.9.9.9

35.74.105.176, 54.168.183.217

414,17 ms

OpenDNS

208.67.222.222

35.74.105.176, 54.168.183.217

619,24 ms

AdGuard

94.140.14.14

35.74.105.176, 54.168.183.217

411,32 ms

IP, geolocation and ASNAssociated network information

35.74.105.176

No data

success

country

region

city

asn

organization

isp

54.168.183.217

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

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

Port 25: Closed/unreachable - 27.4 ms - 
Port 465: Closed/unreachable - 4043.5 ms - 
Port 587: Closed/unreachable - 4021.3 ms -

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