CONTINUOUS INTERNET TELEMETRY24H DRIFT2,979 material changesacross 2,701 domains · -419 vs yesterdayDNS DRIFT18 domains changed DNS providertop destination cloudflare.com · -9 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination google.comCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,325 curated domains not answering-6,393 vs yesterdayERRORS10,954 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,979 material changesacross 2,701 domains · -419 vs yesterdayDNS DRIFT18 domains changed DNS providertop destination cloudflare.com · -9 vs yesterdayEMAIL DRIFT6 domains switched email providertop destination google.comCERT DRIFT6 domains switched issuing CA24h · -1 vs yesterdayNOW3,325 curated domains not answering-6,393 vs yesterdayERRORS10,954 responded with an errorlast probe · 5xx / 404 / 429 / 403

sumo.or.jp

Observed 2026-07-13T00:12:58.376Z (18h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email bySendGrid
Also usesGoogle Search Console
2 subdomains · tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sumo.or.jp actually stands on - every host below is a signed observation
sumo.or.jp
A / AAAA
150.95.44.11
Cloudflareserves the site
NS
fjkdns11.alpha-prm.jpfjkdns12.alpha-prm.jpfjkdns13.alpha-prm.jp
alpha-prm.jpanswers its DNS
MX
mxi.alpha-prm.jp
SendGridreceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time1107 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

A 1

  • 150.95.44.11

MX 1

  • 100mxi.alpha-prm.jp

TXT 6

  • _globalsign-domain-verification=VELWbqoZBgfPj1BKM0sAkBRly-qRoAiTZUS8JAWZE7
  • v=spf1 +ip4:150.95.36.88/32 +ip4:150.95.34.55/32 +ip4:150.95.35.131/32 +ip4:150.95.32.38/32 +ip4:150.95.47.157/32 +ip4:150.95.34.55/32 include:spf.alpha-prm.jp include:sendgrid.net ~all
  • _globalsign-domain-verification=cTphqs0m6vWD5zjnIw1YQKyj4aKi30MBe468UaMuje
  • google-site-verification=Qn6QyWGSpdos_QsgT4maikRzCDLqQ5Pmw6MJlj-mJDY
  • google-site-verification=OXaf7woMofz45LvA5jZJcd3a9tXSi4_A7ULyl3dCzn4
  • v=DMARC1; p=none

NS 3

  • fjkdns11.alpha-prm.jp
  • fjkdns12.alpha-prm.jp
  • fjkdns13.alpha-prm.jp

SOA 1

  • fjkdns99.alpha-prm.jp hostmaster.alpha-prm.jp

TLS Certificates (0)

None.

Subdomains (2)

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 sumo.or.jp. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
5cfe529a-b8d5-4e0b-81dd-598c589d872f
Output Hash
b2d33d0d4273494fc9a1b20c5f5e7ffb2390085d54d056d2dc9b1bc845b399ac
Signature
ed25519:785a8bd951b96016455d5df63c57085f71119579afb8341878106cd5844c3eba06459a23dcd402578523a1b520294e21a7a45f83c1bb7af42dfa7e03e4088f0f
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser