The operability of nummer.nu was checked 4 times during a period of 155 days, beginning on June 22, 2024. All availability tests completed as of November 25, 2024, reported nummer.nu as either offline or experiencing difficulties. Nummer.nu faced downtime in 4 instances, which constitutes 100.00% of all inspections conducted, with the most recent occurrence on October 10, 2024. As of November 25, 2024, there have been no reported responses with an error status based on all the received replies. Noted on October 10, 2024, was nummer.nu's — seconds response time, against a 0.001 seconds average.