Is Loc Down?

Vertical Posture all 9 monitoring signals for loc.gov
9 verticals
Vertical Status UP DOWN UNC UNK Total
NTP ntp_servers NONE 0 0 0 0 0 Add
DNS dns_servers NONE 0 0 0 0 0 Add
VPN vpn_servers NONE 0 0 0 0 0 Add
SMTP smtp_servers NONE 0 0 0 0 0 Add
HTTP http_servers NONE 0 0 0 0 0 Add
SSH ssh_servers NONE 0 0 0 0 0 Add
WHOIS whois_lookups NONE 0 0 0 0 0 Add
CT ct_certificates NONE 0 0 0 0 0 Add
Tor tor_relays NONE 0 0 0 0 0 Add
Overall NO DATA 0 0 0 0 0

Loc is actually 👍 UP 100.0% confident

Date & Time now is 2026-06-04 04:14:38 UTC | Last MTI check: 13 minutes ago
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Uptime Monitor

Live status updates gathered from our automated uptime checks.

Uptime Status Up
Last Checked Sun, May 31, 2026 1:50 AM
Last Status Change Sat, May 30, 2026 11:16 PM
Check Interval 5 minutes
Consecutive Failures 0
Last Failure Event N/A
Certificate Status Valid
Certificate Expires Tue, Aug 25, 2026 12:31 PM

Historical Checks

No historical uptime checks are available yet.

Latest Health Insights

DNS Health

UNKNOWN
Records

No DNS records detected.

DNSSEC: Unknown

Security Headers

UNKNOWN
Missing Headers

All required headers detected.

Present Headers

No headers captured for this check.

SLA Summary

UNKNOWN
Period Uptime Checks
No SLA data available.

What is the Loc Organization?

LOC (The Library of Congress) is the research library that officially serves the United States Congress and is the de facto national library of the United States. The Library of Congress is the second largest library in the world and the oldest federal cultural institution in the United States. The library is based in three buildings on Capitol Hill in Washington D.C. and also maintains the National Audio-Visual Conservation Center in Virginia.

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MTI Verification Details

2
Checks Passed
0
Checks Failed
2
Methods Run
Method Status Details
curl_http PASSED HTTP 200 in 528ms
tcp_connect PASSED TCP loc.gov:443 OK in 17ms
Company Domain Name HTTP Status Check
Loc
Active

Recent Uptime Checks

Check Time Status Response Time DNS Lookup TTFB Size
👍 UP 200 528 ms N/A N/A N/A
👍 UP 17 ms N/A N/A N/A
👍 UP N/A N/A N/A N/A

Verification Method Results

Failure Reasons: None