Is there a way to use a computer in USA to figure out if a site is blocked in Thailand? Such as a traceroute or other means? I am wondering because a website is hosted in USA and visible to USA but for some reason it was reported to me that it is not available for internet users in Thailand. The site is not dealing with anything controversial, political or video or otherwise not suitable for any age person. Just a simple website. I know it worked in May because I was there and saw it. I am not going to post the link here due to suspicion it is spam, I am not trolling spam. Maybe someone here can PM me also and offer to check from Thailand?

Another question, if a site gets blocked by mistake, is there a contact agency in Thailand to ask to consider removing the block?

Is there a way to use a computer in USA to figure out if a site is blocked in Thailand?

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I am not going to post the link here due to suspicion it is spam, I am not trolling spam. Maybe someone here can PM me also and offer to check from Thailand?

If you are referring to the websites posted earlier by Wittee, I can confirm that they are indeed available for viewing in Thailand.

However, from the Forum Rules:

Please don't drop promotional urls, signature files, or specifics that would lead people to your site.

somehow its seems there are no sites at all blocked ...

(or true makes diffrences between SME and private accounts ??)

here from the SME true connection is no site blocked as they usual.

however to answer the question

just check the IP the webhost resolving too.

the ICT doing DNS Spoofing to display the "warning message"

this mean ...using a thailandISP DNS server ..

the answer for a ipadress of a blocked website will be the IP of the ICT webserver.

so just type un unix/linux: "host -t a www.the-host-you-want-to-check.tld piano.asianet.co.th"

if the output shows the ip: 202.47.227.20

the site is blocked (as thaiisp resolving the ip to the mict webserver (w3.mict.go.th)

under windows: "nslookup www.the-host-you-want-to-check.tld piano.asianet.co.th"

discl: this is not a trick or something secret ! this is just normal usage of over 22Years old internet protocols.