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jst.go.jp

Observed Jul 23, 2026, 03:34 UTC (21h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Not responding
Runs onCloudflare
Email byMicrosoft 365
1 subdomain · tranco_5k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jst.go.jp actually stands on - every host below is a signed observation
jst.go.jp
NS
ns-248.awsdns-31.comns-1500.awsdns-59.orgns-931.awsdns-52.netns-1616.awsdns-10.co.uk
awsdns-31.com + awsdns-59.org + moreanswers its DNS
MX
jst-go-jp.mail.protection.outlook.com
Microsoft 365receives its email

HTTPS probe

server_error Server error (5xx) 530 Server Error
HTTP status530
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time1973 ms
DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

MX 1

  • 1jst-go-jp.mail.protection.outlook.com

TXT 4

  • v=spf1 include:spf.protection.outlook.com include:_spf.activegate-ss.jp include:asp.cuenote.jp include:mddrei.maildealer.jp ip4:160.74.0.0/16 ip4:116.118.239.209 ip4:122.17.176.45 ip4:4.216.127.251 ip4:172.207.190.20 include:spf.wise365cloud.com -all
  • v=DMARC1; p=quarantine; rua=mailto:dmarc-report-rua@jst.go.jp,mailto:dmarc_agg@vali.email
  • v=DKIM1; (detected)
  • v=DNSSEC1; (detected)

NS 4

  • ns-248.awsdns-31.com
  • ns-1500.awsdns-59.org
  • ns-931.awsdns-52.net
  • ns-1616.awsdns-10.co.uk

SOA 1

  • ns-931.awsdns-52.net awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (1)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for jst.go.jp. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for jst.go.jp <a href="https://domaindrift.io/t/jst.go.jp"> <img src="https://domaindrift.io/badge/jst.go.jp.svg" width="300" height="64" alt="DomainDrift signed observations for jst.go.jp"> </a>

Ed25519 Receipt

Receipt ID
rcpt_67a7379431803a87
Output Hash
37693e491a6c56088b780db77a72005953bf34eff058cd5296a3f57c666aa0bd
Signature
ed25519:ccef21bf28ad08a6226a0c07791862c61147ccefe46602cb7a2fb0010f3ff366b0b5af836d98f5f01c6718cfbeb05650f6e30ad7acb6407279a0f03578c0e602
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
Verify this in your browser