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49
Total
60
DNS
0
Email
73
Security
35
Network
60
Availability
Domainyjtag.jp
IPv48
IPv60
MX records0
StatusActive
Domain technical report

ページが表示できません - Yahoo! JAPAN

yjtag.jp

Generated: 2026-08-10T01:55:23-05:00 · Cached result

JSONCSVPDFVisit site
IPv48
IPv60
MX0
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

8 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 propagation0 / 10 pts · Dns

Agreement between public resolvers.

!
MX records0 / 20 pts · Mail

0 MX record(s).

!
SPF0 / 25 pts · Mail

SPF policy not found.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

170 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers8 / 35 pts · Security

2 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓
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 response0 / 40 pts · Availability

HTTP/1.1 403 Forbidden

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

8 record(s)
124.83.186.40
124.83.186.42
124.83.186.43
203.216.255.41
203.216.255.43
203.216.255.40
124.83.186.41
203.216.255.42

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

0 record(s)
—

Not configured

TXT

1 record(s)
"D78IMoPe0lJi8HXx7j2aT9q6m0bwxg"

NS

4 record(s)
ns02.yahoo.co.jp.
ns11.yahoo.co.jp.
ns12.yahoo.co.jp.
ns01.yahoo.co.jp.

SOA

1 record(s)
yjtag.jp. postmaster.yjtag.jp. 2605110000 1800 900 864000 900

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Not configured
—

Not configured

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
ページが表示できません - Yahoo! JAPAN
Description
Final URL
https://yjtag.jp/
HTTP status
403

HTTP

Status
HTTP/1.1 403 Forbidden
Final URL
https://yjtag.jp/
Version
2
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Cybertrust Japan Co., Ltd.
CN
gw01.yahoo.co.jp
Valid from
2026-07-13T03:03:41-05:00
Valid until
2027-01-27T08:59:00-06:00
Days remaining
170
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

2 active
—
HSTSNot detected
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
—
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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
124.83.186.40, 124.83.186.41, 124.83.186.42, 124.83.186.43, 203.216.255.40, 203.216.255.41, 203.216.255.42, 203.216.255.43
231,69 ms
Cloudflare
1.1.1.1
124.83.186.40, 124.83.186.41, 124.83.186.42, 124.83.186.43, 203.216.255.40, 203.216.255.41, 203.216.255.42, 203.216.255.43
336,12 ms
Quad9
9.9.9.9
124.83.186.40, 124.83.186.41, 124.83.186.42, 124.83.186.43, 203.216.255.40, 203.216.255.41, 203.216.255.42, 203.216.255.43
191,97 ms
OpenDNS
208.67.222.222
124.83.186.40, 124.83.186.41, 124.83.186.42, 124.83.186.43, 203.216.255.40, 203.216.255.41, 203.216.255.42, 203.216.255.43
627,19 ms
AdGuard
94.140.14.14
0.0.0.0
221,42 ms

IP, geolocation and ASNAssociated network information

124.83.186.40

No data
success
No
country
region
city
asn
organization
isp

124.83.186.42

No data
success
No
country
region
city
asn
organization
isp

124.83.186.43

No data
success
No
country
region
city
asn
organization
isp

203.216.255.41

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

yjtag.jp

Port 25: Closed/unreachable - 0.9 ms - 
Port 465: Closed/unreachable - 1483.1 ms - 
Port 587: Closed/unreachable - 1471.7 ms -

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