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

Costco

▲ UP 100.0% confident

Last check: 3 hours ago · Jun 08, 2026 19:00 UTC

Passed

Failed

Methods

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MTI Verification Status

Live status from our automated multi-method verification engine.

Overall Status	UP
Last Checked	Mon, Jun 8, 2026 3:05 PM
Confidence	100.0%
Checks Passed	2
Checks Failed	1
Methods Run	3

Check Results

Checks Passed

Checks Failed

Methods Run

Latest Method Results

HTTP Check

FAILED

Connection failed: cURL error 28: Operation timed out after 8000 milliseconds with 0 bytes received (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://www.costco.com.tw/

8416ms

SSL/TLS Handshake

PASSED

SSL OK (B) in 94ms

B · 57d

IP: 34.102.182.210

94ms

TCP Connection

PASSED

TCP costco.com.tw:443 OK in 64ms

IP: 34.102.182.210

64ms

Historical Checks

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Company Details

Company	Costco
Domain	costco.com.tw
Type	Unknown
Monitored	Not Monitored

Recent Uptime Checks

Check Time	Status	Response	Method	Output
Jun 08 15:05:22	DOWN	8416ms	curl_http	Connection failed: cURL error 28: Operation timed...
Jun 08 15:05:23	UP	94ms	ssl_handshake	SSL OK (B) in 94ms
Jun 08 15:05:23	UP	64ms	tcp_connect	TCP costco.com.tw:443 OK in 64ms
Jun 08 15:05:23	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.

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