DNS Check - Log Files

Page refreshed:   Data refresh:Apr 02 2025 23:45:21 [Eastern Standard Time]


DNS checks are performed against various resolvers in order to verify they are correctly functioning
Resolvers and sites checked are listed at the bottom of the page

Todays Entries
[2025-Apr-02 01:28:08] Log Error: 8.8.8.8 (Google B): [TCP] worldaz.tr.teams.microsoft.com 10054

[2025-Apr-02 02:18:20] Log Error: 8.8.8.8 (Google B): [UDP] sharepoint.com ERROR_TIMEOUT

[2025-Apr-02 02:43:19] Log Error: 8.8.8.8 (Google B): [UDP] teams.microsoft.com ERROR_TIMEOUT

[2025-Apr-02 08:20:18] Log Error: 168.63.129.16 (Azure): [UDP] sip.pstnhub.microsoft.com ERROR_TIMEOUT

[2025-Apr-02 12:07:19] Log Error: 8.8.4.4 (Google A): [UDP] teams.microsoft.com ERROR_TIMEOUT

[2025-Apr-02 13:44:20] Log Error: 1.1.1.1 (CloudFlare A): [UDP] web.yammer.com ERROR_TIMEOUT

[2025-Apr-02 16:00:22] Log Error: 208.67.220.220 (OpenDNS B): [UDP] teams.microsoft.com ERROR_TIMEOUT

[2025-Apr-02 17:08:21] Log Error: 1.0.0.1 (CloudFlare B): [UDP] sharepoint.com ERROR_TIMEOUT

[2025-Apr-02 21:02:20] Log Error: 208.67.222.222 (OpenDNS A): [UDP] outlook.office365.com ERROR_TIMEOUT

[2025-Apr-02 21:10:21] Log Error: 1.0.0.1 (CloudFlare B): [UDP] teams.microsoft.com ERROR_TIMEOUT

[2025-Apr-02 21:33:22] Log Error: 208.67.220.220 (OpenDNS B): [UDP] sharepoint.com ERROR_TIMEOUT

[2025-Apr-02 22:59:20] Log Error: 1.1.1.1 (CloudFlare A): [UDP] web.yammer.com ERROR_TIMEOUT

[2025-Apr-02 23:10:21] Log Error: 208.67.220.220 (OpenDNS B): [UDP] sip.pstnhub.microsoft.com ERROR_TIMEOUT
Previous Log Files











































So, whats happening?

Each DNS resolver is asked to resolve a few DNS entries. Only errors are logged.
These are scrapped together and shown in 'Todays Entries' above.
Previous log files are shown on the right.
DNS Resolvers Used
 168.63.129.16
 Azure
 1.1.1.1
 CloudFlare A
 1.0.0.1
 CloudFlare B
 8.8.4.4
 Google A
 8.8.8.8
 Google B
 208.67.222.222
 OpenDNS A
 208.67.220.220
 OpenDNS B
Hosts to be resolved
 outlook.office365.com
 teams.microsoft.com
 worldaz.tr.teams.microsoft.com
 sip.pstnhub.microsoft.com
 sharepoint.com
 web.yammer.com
 outlook.office365.com
 teams.microsoft.com
 worldaz.tr.teams.microsoft.com
 sip.pstnhub.microsoft.com
 sharepoint.com
 web.yammer.com
 outlook.office365.com
 teams.microsoft.com
 worldaz.tr.teams.microsoft.com
 sip.pstnhub.microsoft.com
 sharepoint.com
 web.yammer.com