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Total

DNS

Email

Security

Network

Availability

Domainnta.go.jp

IPv40

IPv60

MX records1

StatusActive

Domain technical report

nta.go.jp

Generated: 2026-08-09T00:52:08-05:00 · Cached result

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IPv40

IPv60

MX1

NS4

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

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 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

1 record(s)

10 mx.smart-mail-security.jp.

TXT

4 record(s)

"MS=ms11633008"
"v=spf1 include:spf.securemx.jp include:spf.protection.outlook.com  mx ip4:101.102.254.101 ip4:101.102.254.102  ip4:52.193.85.72 ip4:52.199.88.1 ip4:13.208.88.255 ip4:15.152.4.91 ip4:35.73.160.16 ip4:52.193.236.91 ip4:13.208.130.155 ip4:13.208.128.241 ip4:" "35.73.64.133 ip4:54.250.78.153 ip4:13.208.82.177 ip4:13.208.62.4  ip4:210.175.37.97 ip4:126.143.197.121 ip4:210.254.16.38 ip4:210.143.1.26 -all"
"google-gws-recovery-domain-verification=74108196"
"MS=62860FBD52CDE59469940E1CDF1FD429FAAFE692"

NS

4 record(s)

ns4-05.azure-dns.info.
ns3-05.azure-dns.org.
ns1-05.azure-dns.com.
ns2-05.azure-dns.net.

SOA

1 record(s)

ns1-05.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300

CAA

0 record(s)

—

Not configured

DS

1 record(s)

912 13 2 7FC10D8DB8E34124FB97D5E5F9071B546C597C37888EBD6C387082DD 9A9191DD

DNSKEY

2 record(s)

256 3 13 KJ6n173ro/7xOUkwx2SZf0J3l1n+uPiqwRKgIvxo+pDORR1uUSFpb+/S gL8vwHrPT0Lg50n3uokXwxTY3TBbGw==
257 3 13 vXhQNYoWKmS7emvQztHNxi973EE21i0hfwY6oxpC/hdvVB7j3CVBnenX SCY/Zm02bpOQ1vV5HR/Dcr0NtNNl0A==

RRSIG

4 record(s)

DNSKEY 13 3 3600 20260928120026 20260730120026 912 nta.go.jp. n8tSyOO+I2bsiS7E30Ds9DGIgUADVd/jd2Rpb8+aBnK37zgJCs2EQ/nq gfwPB+Odm6p39aFrY1g4tibDR6y+0A==
DS 8 3 7200 20260907174503 20260808174503 11529 jp. a+gd2iIY7Bk16UXakYhgezwlkUOetFCIXsLLNJTPj+Z+JZ5ouL8QQ/CS WseI7kBR/8HOUPzl122J2qyGfw8OBX/j66zHPvsujhedLvahEvzkJsPW LBVXiJLJskceEv7wdjor+DY6pQpErCA6Y/Yurzwcf6zEXSSPZTcpaa0X UxU=
SOA 13 3 3600 20260810065133 20260808045133 22041 nta.go.jp. qWs2r9ONE/hDKa17E5CYLOVK2JiZcyE6OSsXV8WVmbvTUucQ6sfEnI5q DukUmG6O+fyheWO1Z0rrPueyf+6ZxA==
NS 13 3 86400 20260810065142 20260808045142 22041 nta.go.jp. t2Y2m3NnvVUV5qLQM2U8gmTHuLS3AyZBSBhBX/yNYlvOyPsKYw878l1s IXDUBm0A+NluX3EWF2zdlVVZWe0Fbw==

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  mx ip4:101.102.254.101 ip4:101.102.254.102  ip4:52.193.85.72 ip4:52.199.88.1 ip4:13.208.88.255 ip4:15.152.4.91 ip4:35.73.160.16 ip4:52.193.236.91 ip4:13.208.130.155 ip4:13.208.128.241 ip4:35.73.64.133 ip4:54.250.78.153 ip4:13.208.82.177 ip4:13.208.62.4  ip4:210.175.37.97 ip4:126.143.197.121 ip4:210.254.16.38 ip4:210.143.1.26 -all

DMARC

Configured

v=DMARC1; p=quarantine; rua=mailto:dmarc-rua@report.securemx.jp,mailto:rua-report@nta.go.jp,mailto:admin@smart-mail-security.jp; ruf=mailto:ruf-report@nta.go.jp

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo5mf94IBATIc9ubbWiBQtb03MaiOWD/+hiwpa6M68ODlJ+mic840SxZlHhBcp9sWSqw3FJLd0ypnaxURnV191sWAUI/RZcTj1tS+1y03ckOOGHxGB6SHRo1rjogCb5zMs7H3vrDhqNJagh4OCQKCqa9ZyI76cwcODSRiHLKZw/BS0BLGOJdvONlsxmnlxNwWkprNGSpidA+pcJekcmJUhXA9fwtZQJGeVGng5TLsaeOmsNOS6FZ5Q+rlGu/JGMMNEMiHyXSMBQrPQOOVO8pdzHCN8w82IfFSMb1cT7AnwULIFclIqsf9zI0DHeBKFOxmVrs58IX3ezph0DpcLmKzrQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

No data

Title

Description

Final URL

https://nta.go.jp/

HTTP status

HTTP

Status

Final URL

https://nta.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

53,26 ms

Cloudflare

1.1.1.1

82,08 ms

Quad9

9.9.9.9

103,35 ms

OpenDNS

208.67.222.222

169,69 ms

AdGuard

94.140.14.14

419,70 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

mx.smart-mail-security.jp

Port 25: Closed/unreachable - 185 ms - 
Port 465: Closed/unreachable - 4205 ms - 
Port 587: Closed/unreachable - 4021 ms -

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