krebsonsecurity.com
Mixed
Results vary across krebsonsecurity.com: of 5 URLs tested, 1 is disrupted some of the time and 4 load normally. 132 tests have been run under this domain since 2014-09-13, the most recent on 2026-09-25.
The two are filtered by different means — an unencrypted request by the address and keywords it carries in the clear, an encrypted one by the server name in its TLS handshake — so one working while the other does not is normal.
The site itself
http://krebsonsecurity.comIntermittenthttps://krebsonsecurity.comNot blockedPages and subdomains (3)
http://krebsonsecurity.com/2015/04/dont-be-fodder-for-chinas-great-cannonas of 2026Not blockedhttp://krebsonsecurity.com/2016/07/trump-dnc-rnc-flunk-email-security-testas of 2026Not blockedhttps://krebsonsecurity.com/2026/08/whos-tracking-you-use-this-new-service-to-find-outNot blockedAbout krebsonsecurity.com and the Great Firewall
Results vary across krebsonsecurity.com: of 5 URLs tested, 1 is disrupted some of the time and 4 load normally. 132 tests have been run under this domain since 2014-09-13, the most recent on 2026-09-25.
Plain HTTP and HTTPS differ here: http://krebsonsecurity.com is intermittent, https://krebsonsecurity.com is not blocked. The two are filtered by different means — an unencrypted request by the address and keywords it carries in the clear, an encrypted one by the server name in its TLS handshake — so one working while the other does not is normal.
Elsewhere on the site
Most-blocked .com domainsEvery tested URL under krebsonsecurity.com
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.