A TesseraCT logo, a stylized four-dimensional hypercube with on the left side penstrokes of orange with a padlock, and on the right penstrokes of dark blue with a magnifying glass.

This is a TesseraCT Certificate Transparency log instance.

Metrics are available.

The following logs are active:

halloumi2025h2.log.ct.ipng.ch

Log ID: +3xjpo0eBq3Qg4ibuNQyHLJFROv2/mlyKRkuOD5ebiM=
Monitoring prefix: https://halloumi2025h2.mon.ct.ipng.ch/
Submission prefix: https://halloumi2025h2.log.ct.ipng.ch/
Interval: 2025-07-01T00:00:00Z - 2026-01-01T00:00:00Z
Links: checkpoint key get-roots json
Ratelimit: 750 req/s 

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEqJxSnCcMhWikCFeWo1RiplGaVEZL
5Vn4KEJYZM97Ro5XuTg4h6+n807utfPS7qqpLv5me/ddlpKFGoFfkMBrAQ==
-----END PUBLIC KEY-----

halloumi2026h1.log.ct.ipng.ch

Log ID: fz035/iSPY5xZb6w0+q+5yoivkbAy4TEFtTkuYJky8I=
Monitoring prefix: https://halloumi2026h1.mon.ct.ipng.ch/
Submission prefix: https://halloumi2026h1.log.ct.ipng.ch/
Interval: 2026-01-01T00:00:00Z - 2026-07-01T00:00:00Z
Links: checkpoint key get-roots json
Ratelimit: 750 req/s 

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEzdcnGwRjm2ZoA68JFZKfoM4cOPPG
2fr0iR72p3XanznOlw57HJ9RlYRNt75gIMIKgB1r0dxY5Jojq1m8uobYjg==
-----END PUBLIC KEY-----

halloumi2026h2.log.ct.ipng.ch

Log ID: YKWe2Ffs01lJBV7vitDrq2CYZIALz1+41gv1v/87FMU=
Monitoring prefix: https://halloumi2026h2.mon.ct.ipng.ch/
Submission prefix: https://halloumi2026h2.log.ct.ipng.ch/
Interval: 2026-07-01T00:00:00Z - 2027-01-01T00:00:00Z
Links: checkpoint key get-roots json
Ratelimit: 750 req/s 

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAENDhVrTtcQebbk/R6YW8Gt1RW+WZ8
qscHUsI2/TW5f7bu+mEst2lskXbR9HEBQvyhkYKVTuigQjgZvDYqRhcn0Q==
-----END PUBLIC KEY-----

halloumi2027h1.log.ct.ipng.ch

Log ID: ROgi/CurDpLu0On61pZkYCd20Bdg4IkFCckjobA/w38=
Monitoring prefix: https://halloumi2027h1.mon.ct.ipng.ch/
Submission prefix: https://halloumi2027h1.log.ct.ipng.ch/
Interval: 2027-01-01T00:00:00Z - 2027-07-01T00:00:00Z
Links: checkpoint key get-roots json
Ratelimit: 750 req/s 

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEw5SUl2yfd5TFSqUGv7A+I5+TpLe+
zEccmtWVQakQQtOHYKqH8TbycalFx5xaqE5PU4NEwwnAJ9FWeT/6QaovZw==
-----END PUBLIC KEY-----

halloumi2027h2.log.ct.ipng.ch

Log ID: CRV/Yy1Gx/dtlSZUk7wPALOVrF2zorJr+wQ9ukrGOJM=
Monitoring prefix: https://halloumi2027h2.mon.ct.ipng.ch/
Submission prefix: https://halloumi2027h2.log.ct.ipng.ch/
Interval: 2027-07-01T00:00:00Z - 2028-01-01T00:00:00Z
Links: checkpoint key get-roots json
Ratelimit: 750 req/s 

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAErmKbFkPG7QfQUARhbIik8vVbIkXh
K+YMB6TvLZkyhnzv7wedn+l7VChqovZHKOQXmZEd4B+3ljovIpQz2HmyHA==
-----END PUBLIC KEY-----