blockedservers.com – Unresponsive & Removed

[Update1: January 15, 2023] The RBLs appear to be back online and fully functional; we’ve re-enabled them on our system. [January 13, 2023] The following RBLs from blockedservers.com have become unresponsive, and we’ve temporarily removed them from our system: We’ll re-enable these RBLs when they become responsive again.

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Delayed Notifications

[September 22, 2022] Today, from 13:35 (UTC) to 14:55 (UTC), part of our monitoring notifications and transactional emails have been delivered with a delay, while a very small number of notifications (non-emails) failed to deliver completely. Our technicians have found the issue to be with the system that handles the notifications queue; it had become […]

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bl.konstant.no – Unresponsive & Removed

[July 29, 2022] This RBL has become unresponsive, and we’ve removed it from our system until it returns to functioning normally again. If any of your blacklist monitors are blacklisted on this RBL, they will be marked as delisted during the next automatic check.

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June 21, 2022 – Cloudflare Outage

[June 21, 2022] Summary On June 21, 2022, at around 06:31 (UTC) our uptime monitoring system started detecting an unusually high number of errors from websites using Cloudflare. At the same time, 3 of our 5 webservers, started experiencing issues when accessed via Cloudflare (as our platform is accessed by our users). The other 2 […]

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st.technovision.dk – Inactive & Removed

[December 8, 2021] This RBL has stopped responding to DNS queries. We’ve now removed it from our system until it starts working again. If any of your blacklist monitors are blacklisted on this RBL, they will be marked as delisted during the next automatic check.

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SSL errors due to expiring LetsEncrypt root certificate (DST Root CA X3)

[September 24, 2021] Starting today, we’ve started seeing an increased number of SSL certificate failures, which is due to one of LetsEncrypt root certificates (DST Root CA X3) that’s about to expire within the next few days, on September 30, 2021. You can read more about this here:https://letsencrypt.org/docs/dst-root-ca-x3-expiration-september-2021/https://techcrunch.com/2021/09/21/lets-encrypt-root-expiry/ Why is this happening before the expiration […]

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dnsbl.cobion.com – Inactive & Removed

[September 17, 2021] This RBL has gone dark a few weeks ago (August 26, 2021), and we’ve been monitoring it in hopes it would come back up again, but it appears that won’t be the case. We’ve currently disabled it on our system, and it will be re-enabled if/when it comes back up again. If […]

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Feb 8, 2021 – Outage/Incident

[February 8, 2021] Today, we’ve experienced a brief outage, followed by a few hours of degraded performance, caused by one of our upstream providers performing an unannounced maintenance on one of our critical database nodes. Incident timeline(all times are UTC) 11:01 – our main database node suddenly went offline 11:01 – 11:10 – we’ve started […]

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