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89
Total
85
DNS
90
Email
81
Security
100
Network
100
Availability
Domainkantei.go.jp
IPv44
IPv68
MX records1
StatusActive
Domain technical report

首相官邸

kantei.go.jp

首相官邸のホームページです。内閣や総理大臣に関する情報をご覧になれます。

Generated: 2026-08-09T05:05:11-05:00 · Cached result

JSONCSVPDFVisit site
IPv44
IPv68
MX1
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

8 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 chain15 / 15 pts · Dns

DS and DNSKEY detected.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 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

48 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: server-54-192-100-63.mci50.r.cloudfront.net

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓
IPv6 connectivity35 / 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

4 record(s)
54.192.100.63
54.192.100.81
54.192.100.89
54.192.100.37

AAAA

8 record(s)
2600:9000:210b:d200:1f:48e3:7780:93a1
2600:9000:210b:a400:1f:48e3:7780:93a1
2600:9000:210b:ac00:1f:48e3:7780:93a1
2600:9000:210b:cc00:1f:48e3:7780:93a1
2600:9000:210b:5e00:1f:48e3:7780:93a1
2600:9000:210b:2c00:1f:48e3:7780:93a1
2600:9000:210b:f200:1f:48e3:7780:93a1
2600:9000:210b:c200:1f:48e3:7780:93a1

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
0 kantei-go-jp.mail.protection.outlook.com.

TXT

3 record(s)
"v=spf1 include:spf.securemx.jp. include:spf.protection.outlook.com -all"
"MS=ms71830828"
"MS=4EDE4CC0C8C2ECC3468C6740E22686CAD3A029B9"

NS

4 record(s)
ns-1763.awsdns-28.co.uk.
ns-773.awsdns-32.net.
ns-1076.awsdns-06.org.
ns-469.awsdns-58.com.

SOA

1 record(s)
ns-773.awsdns-32.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

0 record(s)
—

Not configured

DS

1 record(s)
60841 13 2 3D665498ED126724A2B6262D989AA066C8BB1363E9FD72FBB0677F9C 8B25ABB8

DNSKEY

3 record(s)
256 3 13 GGVP6PvLoYLvllhFgKsfu+W67kydJphBRpmjMqY+/J+HFlPRznSZ6Aqs OBxO81CjHOo5fTR/9XZIovJ8NmJg9A==
257 3 13 XU0+0p42VS4QxkCGy98HufHP7LbpZH05Cf96te1aXgi9MC9jk4fnr5UE nxf/mwGgJZNRYljDZCUN3lnpzXoZsQ==
256 3 13 cZTKmGZOAVvCMZfPkdQ1UESPbhz6zNBiK3EvMcFsaUyKS3foTx4ZAoCg dofIYIEwglVl6+2x9hKkxtZDqaBdtw==

RRSIG

3 record(s)
NS 13 3 172800 20260811110500 20260809090500 50614 kantei.go.jp. CWVesPIQ15Xtun0IjXpJodXrNgf3o4oYYo4o5C2guytTunoCb4lxWd1U CzYiHUdh1eJbT9dMOgvrG+L8/RiqoA==
A 13 3 60 20260809110600 20260809090500 50614 kantei.go.jp. 6Yzmu92vegPTNPq9V4SZRlPjsNTStnkpldnaTstK20Miwr3aBUT9itFa hRfPHZH3IRJAW4+npxAyawgzyH03OQ==
DS 8 3 7200 20260907174503 20260808174503 11529 jp. DXGwL6qry0kgbm+69mtSW6beWZMyF0TpKoql3gmjfmI4DROO1Oja9rvK FIx5HlQHpUWMJcEcnsHMaIJujCRKm5g5desHQg10XZln/WV4aFrk2wHP vshP5cuAS8S6Z7RcKAer+ROMQ2GKvLZhWY/RRLJjVu6DIGtIxM5k0lTC IcM=

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

Configured
v=spf1 include:spf.securemx.jp. include:spf.protection.outlook.com -all

DMARC

Configured
v=DMARC1; p=none; pct=100; rua=mailto:rua-report@kantei.go.jp; ruf=mailto:ruf-report@kantei.go.jp

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2I/B8GA8X7dd5OhSiNexueqNuyj/vgjjBc5eZlCVhbeol4EoQX/W4dz7D8wGCqxVBtgLBDG8xjmuHvmj0MLAHZmkO5C/Of+1AIbWzSMww2w3bmQuQ4EmrgeJtEGBI4q8chIWP+I7xqLu+BVWfa8ns2cA6197tuSBfbYMAbp+5z6rjeKB91oUHt3faDU2dJ68zv6Q+Jr4+MntIfUl1SkU71Ac5qt1lTt+FCqdHpaNwfd+bfpG2OD2nwbdlGG2Wn3BbC666eENzyrd3sy0T265iaSFcqNg7Jf1Z00LNQr3cnYBgGJOKT0AVb7h4MQDDkP4/3i48hfgX/VbMEKIPqpzSQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
首相官邸
Description
首相官邸のホームページです。内閣や総理大臣に関する情報をご覧になれます。
Final URL
https://www.kantei.go.jp/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.kantei.go.jp/
Version
3
Server
none
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Amazon
CN
kantei.go.jp
Valid from
2026-03-12T19:00:00-05:00
Valid until
2026-09-26T18:59:59-05:00
Days remaining
48
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
—
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
3.170.103.19, 3.170.103.54, 3.170.103.66, 3.170.103.78
48,39 ms
Cloudflare
1.1.1.1
3.170.103.19, 3.170.103.54, 3.170.103.66, 3.170.103.78
98,98 ms
Quad9
9.9.9.9
18.154.219.102, 18.154.219.41, 18.154.219.76, 18.154.219.79
217,60 ms
OpenDNS
208.67.222.222
3.170.103.19, 3.170.103.54, 3.170.103.66, 3.170.103.78
61,57 ms
AdGuard
94.140.14.14
54.192.100.37, 54.192.100.63, 54.192.100.81, 54.192.100.89
523,54 ms

IP, geolocation and ASNAssociated network information

54.192.100.63

No data
success
No
country
region
city
asn
organization
isp

54.192.100.81

No data
success
No
country
region
city
asn
organization
isp

54.192.100.89

No data
success
No
country
region
city
asn
organization
isp

54.192.100.37

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

kantei-go-jp.mail.protection.outlook.com

Port 25: Closed/unreachable - 20.1 ms - 
Port 465: Closed/unreachable - 4020.9 ms - 
Port 587: Closed/unreachable - 4036.5 ms -

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