Is Sch down? No, it's UP | Monitor The Internet

Sch

▲ UP 100.0% confident

Last check: 1 hour ago · Jun 08, 2026 10:44 UTC

Passed

Failed

Methods

MTI Verification Status

Live status from our automated multi-method verification engine.

Check Results

Checks Passed

Checks Failed

Methods Run

Latest Method Results

HTTP Check

PASSED

HTTP 200 in 1975ms

1975ms

TCP Connection

PASSED

TCP sch.ac.kr:443 OK in 427ms

IP: 220.69.189.120

427ms

Historical Checks

What is Sch Organization?

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Company Details

Recent Uptime Checks

Check Time	Status	Response	Method	Output
Jun 08 09:13:38	UP 200	1975ms	curl_http	HTTP 200 in 1975ms
Jun 08 09:13:38	UP	427ms	tcp_connect	TCP sch.ac.kr:443 OK in 427ms
Jun 08 09:13:38	UP	N/A	verification_summary	N/A

Signal	Status	UP
NTP ntp_servers	NONE	0
DNS dns_servers	NONE	0
VPN vpn_servers	NONE	0
SMTP smtp_servers	NONE	0
HTTP http_servers	NONE	0
SSH ssh_servers	NONE	0
WHOIS whois_lookups	NONE	0
CT ct_certificates	NONE	0
Tor tor_relays	NONE	0
Overall		NO DATA	0

UNCERTAIN = data source temporarily unavailable. DOWN = target unreachable.