Is ncirs.edu.au down or not working?

What happened to ncirs.edu.au, why did the website go down and not work? Here you can see who else is having the same problem with ncirs.edu.au, as well as possible solutions. According to our statistics, the following most often do not work: Website, Login, Account, Mobile App.

Current status: No failures

At the moment, according to our data, ncirs.edu.au is working fine, but single failures are possible. If ncirs.edu.au does not work for you, then report your problem and write a comment.
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What to do if the site ncirs.edu.au is not available? Try our guide.

ncirs.edu.au outage reports in the last 24 hours

User reports by hour (UTC), last 24 hours

Hour
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Total weight in 24 hours: 0 Busiest hour: 03:00 UTC (weight 0)

How this score compares

Current 24-hour weight is 0. Warnings start at 20, Failed at 50. Median websites on this language today is 0.

How to solve problems with ncirs.edu.au

Errors on the ncirs.edu.au website can be either on the server side or on your side (client side). If there is practically nothing to be done about errors on the server side (it remains only to wait for the site to work again), then with errors on the client side it is possible to solve the problem with the availability of ncirs.edu.au on your own.

Clear your browser cache

The first thing you can do is force reload the site page, just use the keyboard shortcut Ctrl+F5 for this.

If this does not help, then you can force clear the browser cache:

  • Google Chrome:
    Ctrl+Shift+Del > Clear Cache > Clear History or
    Ctrl+Shift+Del > Clear browsing data
  • Mozilla Firefox:
    Ctrl+Shift+Del > Cache > Clear now
  • Internet Explorer:
    Ctrl+Shift+Del > Temporary Internet files > Delete
  • Opera:
    Ctrl+Shift+Del > Clear History
  • Safari:
    Ctrl+Alt+E > Clear

Try to bypass the site block

The site may be blocked by various antiviruses or firewalls, try disabling them for a while and open the site. Also, the site may be blocked by various ad blockers in the browser, try disabling them too for a while.

Use VPN services that will allow you to access the site supposedly from another country, the site may not open specifically for your country.

Correct the wrong site or page address

You may have incorrectly specified the site page or domain, try the following options:
http://ncirs.edu.au/
https://ncirs.edu.au/
http://www.ncirs.edu.au/
https://www.ncirs.edu.au/

Clear the DNS service cache

The Windows DNS service cache can be cleared through the command line. In Windows 7 and 8, press the key combination Win+R, in the window that opens, type the command cmd and press the key Enter. On Windows 10, press Win+X and select Windows PowerShell (Admin) or Command Prompt (Admin).

Next, type the following commands in sequence:
ipconfig /flushdns
ipconfig /registerdns
ipconfig /release
ipconfig /renew
netsh winsock reset

Restart your computer.

ncirs.edu.au - website error codes

Error 400 (Bad Request)

The response status code "HTTP 400 Bad Request" indicates that the server was unable to understand the request due to invalid request syntax. Most likely, this is a bug on the side of the website, you need to wait for the website administrators to fix it.

Error 401 (Unauthorized)

The client's "HTTP 401 Unauthorized" error status response code indicates that the request was not accepted because it lacked valid credentials for the target resource. Usually, in this case, you need to enter a login and password to access the site section.

Error 403 (Forbidden)

An "HTTP 403 Forbidden" error status response code indicates that the server understood the request but is refusing to return a response to the client. This usually means that you are denied access to the site. Try to bypass this blocking with the tips given above.

Error 404 (Not Found)

An "HTTP 404 Not Found" error response code indicates that the server cannot find the requested resource; The requested page was not found on the website.

Error 500 (Internal Server Error)

The server response code "HTTP 500 Internal Server Error" indicates that the server encountered an unexpected error that prevented it from fulfilling the request. Usually this error occurs due to the incorrect operation of site scripts on the server, here you need to wait for the site administrators to fix it.

Error 502 (Bad Gateway)

"HTTP 502 Bad Gateway" server response code indicates that the server, acting as a gateway or proxy, received an invalid response from the upstream server. Usually this error occurs due to incorrect site settings on the server, here you need to wait for the site administrators to fix it.

Error 503 (Service Unavailable)

Server status code "HTTP 503 Service Unavailable", indicating that the server is not ready to process this request. Usually this error occurs in case of maintenance work on the server or because the server is overloaded with too many requests, here you need to wait for the site administrators to fix everything.

Last probe from our crawler

  • Status code: 200
  • Protocol: https
  • Response time: 2.289sec.
  • Page size: 53.5 KB
  • IP: 104.21.43.198
  • nginx

Technical information

Main page title:
National Centre for Immunisation Research and Surveillance | NCIRS
Main page description:
NCIRS is the leading research organisation in Australia that provides objective expert advice on all aspects of vaccine preventable diseases, and other issues related to immunisation, to inform policy and planning for immunisation services in Australia.
Protocol:
https
Status code:
200
Page size:
53.5 KB
Response time:
2.289sec.
IP:
104.21.43.198
Response headers:
server: nginx
date: Wed, 07 Oct 2026 23:52:52 GMT
content-type: text/html; charset=UTF-8
transfer-encoding: chunked
connection: close
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last-modified: Wed, 07 Oct 2026 02:39:13 GMT
etag: "1791340753"

SEO headers

h2 Main navigation
h2 COVID-19 webinar recordings now available
h2 1.7 million Australians unprotected against measles
h2 Adult vaccination insights 2025
h2 Diphtheria outbreak in Australia
h2 NCIRS is Australia’s leading immunisation organisation
h3 News & events
h4 More vaccines at one visit doesn’t mean more side effects, Australian study finds
h4 A generation protected: how HPV vaccination could change the future for girls in Papua New Guinea
h4 New study finds changes to herpes zoster vaccination in Australia have contributed to a decline in cases
h4 NCIRS moves into its next phase of leadership as Director takes up Australian CDC role
h2 Subscribe to our newsletter for immunisation professionals
h2 Navigate
h2 Subscribe to our newsletter for immunisation professionals

Questions

Is ncirs.edu.au down right now?

According to reports on this page, ncirs.edu.au looks fine for most people. Isolated failures still happen — report yours if you are stuck.

When was the last mass outage?

We do not have a recorded mass outage for ncirs.edu.au yet.

What if ncirs.edu.au is down only for me?

If our last probe looks healthy, try another network, flush DNS, and disable VPN or blockers. The guide on this page walks through those steps.

What do HTTP error codes mean for ncirs.edu.au?

4xx answers usually mean the request was rejected on the client side. 5xx means the server failed. Waiting is the realistic fix for 502/503.

ncirs.edu.au - error and failure reports, troubleshooting methods

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