Part of sendgrid.comMixed6 tested URLs

Can you open http://clicktrack.sendgrid.com/wf/click?upn=pGG1htJXujGRSj2H69rnZVTkq-2BoZw6mwKpDRo03n-2B5FXI-2BOGlFmPGAZN-2B34DJ8LW4WSYbLb-2F58wcTxnsHGTOkQ6INXleoRv8FH-2FVidsejA-2BRpgSwYwDk5ogb-2B4Bi9zXC_XWuFLyIV9I6Ms2ROv651AKSVuwoSHrGIbICiOivP5avGhVAdsg3DYWXaJmE95N7jwF from mainland China?

N/A.

This domain doesn't resolve anywhere we test — including our control outside mainland China — so it appears inactive or unregistered rather than blocked.

2014first tested
5 mo agolast tested
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Frequently asked questions

Is http://clicktrack.sendgrid.com/wf/click?upn=pGG1htJXujGRSj2H69rnZVTkq-2BoZw6mwKpDRo03n-2B5FXI-2BOGlFmPGAZN-2B34DJ8LW4WSYbLb-2F58wcTxnsHGTOkQ6INXleoRv8FH-2FVidsejA-2BRpgSwYwDk5ogb-2B4Bi9zXC_XWuFLyIV9I6Ms2ROv651AKSVuwoSHrGIbICiOivP5avGhVAdsg3DYWXaJmE95N7jwF blocked in mainland China right now?

As of the last test on 2026-04-07, http://clicktrack.sendgrid.com/wf/click?upn=pGG1htJXujGRSj2H69rnZVTkq-2BoZw6mwKpDRo03n-2B5FXI-2BOGlFmPGAZN-2B34DJ8LW4WSYbLb-2F58wcTxnsHGTOkQ6INXleoRv8FH-2FVidsejA-2BRpgSwYwDk5ogb-2B4Bi9zXC_XWuFLyIV9I6Ms2ROv651AKSVuwoSHrGIbICiOivP5avGhVAdsg3DYWXaJmE95N7jwF is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.

http://clicktrack.sendgrid.com/wf/click?upn=pGG1htJXujGRSj2H69rnZVTkq-2BoZw6mwKpDRo03n-2B5FXI-2BOGlFmPGAZN-2B34DJ8LW4WSYbLb-2F58wcTxnsHGTOkQ6INXleoRv8FH-2FVidsejA-2BRpgSwYwDk5ogb-2B4Bi9zXC_XWuFLyIV9I6Ms2ROv651AKSVuwoSHrGIbICiOivP5avGhVAdsg3DYWXaJmE95N7jwF · JSON