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Total

DNS

Email

Security

Network

Availability

Domainnenkin.go.jp

IPv40

IPv60

MX records2

StatusActive

Domain technical report

nenkin.go.jp

Generated: 2026-08-10T14:53:31-05:00 · Cached result

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IPv40

IPv60

MX2

NS3

DiagnosticsMain findings and recommendations

IPv4 (A)0 / 30 pts · Dns

0 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 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

2 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

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 certificate0 / 55 pts · Security

No valid certificate was retrieved.

Certificate lifetime0 / 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 DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity0 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

DNS resolution0 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

0 record(s)

—

Not configured

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mx1.tgnw.mhlw.go.jp.
20 mx2.tgnw.mhlw.go.jp.

TXT

1 record(s)

"v=spf1 +a:mx1.tgnw.mhlw.go.jp +a:mx2.tgnw.mhlw.go.jp -all"

NS

3 record(s)

ns011-v3grpfdu6xglqrl7.v.d-53.jp.
ns011-v3grpfdu6xglqrl7.v.d-53.info.
ns011-v3grpfdu6xglqrl7.v.d-53.net.

SOA

1 record(s)

ns000.d-53.net. dns-managers.iij.ad.jp. 151 3600 600 604800 900

CAA

0 record(s)

—

Not configured

DS

1 record(s)

6249 13 2 FA285ABF61FDE3BC24B2B22CCEC9F31846810C171E68DBA5616E101F 90ED635B

DNSKEY

2 record(s)

257 3 13 fj2WyVx0YeLs4AVFe6XR7oZ2jMphDgKUggO4mIYAkE5Rcler3etJy2Pr xddgGrwX33MpBli/o2O/bN8jpOzajw==
256 3 13 o4Q2r/YQ+rCtTV1JZlstABRBmGjRJrhkIfLW3qNTGA1rW5PKPxGoyt66 gN5tH1u88gUdrNG/MbP9Mdcw1TtlWw==

RRSIG

2 record(s)

NS 13 3 86400 20260905172210 20260805172210 35058 nenkin.go.jp. DJYjWexKGt2FOxvgCSh3lcyxk99O8ETXvRGTaowa8CJsb2FfSFRHRBVM 7hWFwtpkvrMkdvAmrCElj5r2MFfuRg==
DS 8 3 7200 20260907174503 20260808174503 11529 jp. GYa1oGRnIu/95ssGnGHhJKJ47R2jmYz8jNDfhJiTVDshnIUgcCAy9Sgz mTlCoIAqyVG37TLtmb+eDxdXvUUruyg+MS2qmQCJA00aKLWo3chZJrir s1/oaerO5xGjJ2PkHqj7Yi+PkFzD7NwjqZnq1OBml3M638dsKDZ2B+go ++8=

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 +a:mx1.tgnw.mhlw.go.jp +a:mx2.tgnw.mhlw.go.jp -all

DMARC

Configured

v=DMARC1; p=quarantine; rua=mailto:dreport@nenkin.go.jp, mailto:dmarc-rua@report.securemx.jp; ruf=mailto:derror@nenkin.go.jp; fo=1; aspf=r; adkim=r; rf=afrf; ri=86400

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

No data

Title

Description

Final URL

https://nenkin.go.jp/

HTTP status

HTTP

Status

Final URL

https://nenkin.go.jp/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Unavailable

Available

Issuer

Valid from

Valid until

Days remaining

Protocol

Cipher

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

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

104,25 ms

Cloudflare

1.1.1.1

94,51 ms

Quad9

9.9.9.9

162,87 ms

OpenDNS

208.67.222.222

417,60 ms

AdGuard

94.140.14.14

202,74 ms

IP, geolocation and ASNAssociated network information

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

mx1.tgnw.mhlw.go.jp

Port 25: Closed/unreachable - 35.7 ms - 
Port 465: Closed/unreachable - 4046.4 ms - 
Port 587: Closed/unreachable - 4017.8 ms -

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