CONTINUOUS INTERNET TELEMETRY24H DRIFT3,201 material changesacross 2,782 domains · -197 vs yesterdayDNS DRIFT24 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -3 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,313 curated domains not answering-6,405 vs yesterdayERRORS10,960 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,201 material changesacross 2,782 domains · -197 vs yesterdayDNS DRIFT24 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -3 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,313 curated domains not answering-6,405 vs yesterdayERRORS10,960 responded with an errorlast probe · 5xx / 404 / 429 / 403

itssa.co.kr

Observed 2026-07-12T05:46:40.347Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall
Runs onCloudflare
Email byGoogle Workspace
Also usesGoogle Search Console
2 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat itssa.co.kr actually stands on - every host below is a signed observation
itssa.co.kr
A / AAAA
13.124.233.172
Cloudflareserves the site
NS
ns-90.awsdns-11.comns-1982.awsdns-55.co.ukns-1417.awsdns-49.orgns-520.awsdns-01.net
awsdns-11.com + awsdns-55.co.uk + moreanswers its DNS
MX
alt4.aspmx.l.google.comaspmx.l.google.comalt3.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email

HTTPS probe

bot_blocked Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active
HTTP status403
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time930 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

  • 13.124.233.172

MX 5

  • 10alt4.aspmx.l.google.com
  • 1aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com

TXT 2

  • v=spf1 include:_spf.google.com ~all
  • google-site-verification=5_64m4pMoyPx5qXByU7sIIBEgg4ga32q6lpzmoS6rLc

NS 4

  • ns-90.awsdns-11.com
  • ns-1982.awsdns-55.co.uk
  • ns-1417.awsdns-49.org
  • ns-520.awsdns-01.net

SOA 1

  • ns-1982.awsdns-55.co.uk awsdns-hostmaster.amazon.com

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 itssa.co.kr. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
a60abbfa-1cc9-424f-96f6-cceb1e3648df
Output Hash
0fb5dd7c446535418790f712583d462f769ab4bfb0641831b908b4eb248f788f
Signature
ed25519:31e990052e2785ddee33b4ce049948ef45f2fad3ab6e2decbce61bf257b94abcb3f1aad84ab4b50c85f20bd33833b63d572788091b49ebd7d3613776958fdd0e
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser