Part of doubleclick.net·Mixed·68 tested URLs→
Can you open https://googleads.g.doubleclick.net/pagead/html/r20210701/r20190131/zrt_lookup.html from mainland China?
Yes.
No recent testsVerdict from 2026-06-09 · 3 mo ago
As of the last test on 2026-06-09 — 3 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.
2021first tested
3 mo agolast tested
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Other tested URLs on doubleclick.net
Blocking varies across doubleclick.net: 2 blocked vs 58 accessible among tested hosts.
http://doubleclick.netIntermittenthttps://doubleclick.netIntermittenthttp://ad.doubleclick.netas of 2026Not blockedhttp://www.doubleclick.netIntermittenthttp://fls.doubleclick.netNot blockedhttps://ad.doubleclick.netas of 2026Not blockedhttp://cm.g.doubleclick.netas of 2026Not blockedhttps://www.doubleclick.netas of 2026Not blockedhttps://cm.g.doubleclick.netas of 2026Not blockedhttps://bid.g.doubleclick.netas of 2026Not blockedhttp://stats.g.doubleclick.netBlockedhttps://ad.doubleclick.net/404Not blockedhttps://static.doubleclick.netIntermittenthttp://pubads.g.doubleclick.netIntermittenthttps://stats.g.doubleclick.netBlockedhttp://pagead.l.doubleclick.netIntermittenthttp://adclick.g.doubleclick.netas of 2026Not blockedhttps://pubads.g.doubleclick.netas of 2025Not blockedhttp://rtb-asia.g.doubleclick.netas of 2026Not blockedhttps://adclick.g.doubleclick.netas of 2026Not blockedhttp://googleads.g.doubleclick.netIntermittenthttp://3530909.fls.doubleclick.netNot blockedhttp://3948900.fls.doubleclick.netNot blockedhttps://cm.g.doubleclick.net/pixelNot blockedhttp://2507573.fls.doubleclick.netas of 2026Not blockedhttps://googleads.g.doubleclick.netas of 2026Not blockedhttps://4447375.fls.doubleclick.netNot blockedhttps://2507573.fls.doubleclick.netNot blockedhttp://stats.g.doubleclick.net/dc.jsas of 2026Not blockedhttps://stats.g.doubleclick.net/dc.jsNot blockedhttp://securepubads.g.doubleclick.netas of 2026Not blockedhttp://stats.g.doubleclick.net/collectas of 2026Not blockedhttp://googleads.g.doubleclick.net:443Not enough datahttp://0.fls.doubleclick.net/activityias of 2026Not blockedhttps://securepubads.g.doubleclick.netNot blockedhttps://stats.g.doubleclick.net/collectas of 2026Not blockedhttp://pubads.g.doubleclick.net/activityas of 2026Not blockedhttps://stats.g.doubleclick.net/__utm.gifas of 2026Not blockedhttp://3530909.fls.doubleclick.net/activityias of 2026Not blockedhttps://googleads.g.doubleclick.net/pagead/idNot blockedhttps://googleads.g.doubleclick.net/pagead/adsNot blockedhttps://securepubads.g.doubleclick.net/gampad/adsNot blockedhttps://securepubads.g.doubleclick.net/pagead/fpmNot blockedhttps://securepubads.g.doubleclick.net/tag/js/gpt.jsNot blockedhttp://ad.doubleclick.net/ddm/clk/283326308%3B110144184as of 2026Not blockedhttps://googleads.g.doubleclick.net/pagead/viewthroughconversionNot blockedhttps://googleads.g.doubleclick.net/pagead/images/mtad/abg_blue.pngas of 2026Not blockedhttps://googleads.g.doubleclick.net/pagead/viewthroughconversion/878798459Not blockedhttps://googleads.g.doubleclick.net/pagead/viewthroughconversion/993049444as of 2026Not blockedhttps://googleads.g.doubleclick.net/pagead/html/r20150630/r20150626/zrt_lookup.htmlas of 2026Not blockedhttps://googleads.g.doubleclick.net/mads/static/mad/sdk/native/sdk-core-v40-loader.htmlas of 2026Not blockedhttp://googleads.g.doubleclick.net/pagead/viewthroughconversion/995125466/?value=0&guid=ON&script=0as of 2026Not blockedhttp://stats.g.doubleclick.net/collect?t=dc&aip=1&v=1&_v=j19&tid=UA-41505236-1&cid=1581917558.1404758011&jid=90920384&z=580094975Not blockedhttps://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-55765301-1&cid=1947090186.1465435868&jid=524568967&_v=j44&z=2136552614as of 2026Not blockedhttps://stats.g.doubleclick.net/r/collect?t=dc&aip=1&_r=3&v=1&_v=j47&tid=UA-15123064-6&cid=173537863.1483119620&jid=2029046391&_u=SGCAgEAL%7E&z=1968040444as of 2026Not blockedhttps://5471900.fls.doubleclick.net/activityi%3Bsrc%3D5471900%3Btype%3Dretar0%3Bcat%3Dretar002%3Bdc_lat%3D%3Bdc_rdid%3D%3Btag_for_child_directed_treatment%3D%3Bord%3D4585776048996.508as of 2026Not blockedhttps://ad.doubleclick.net/ddm/clk/310077845%3B134792513%3Bf?http%3A%2F%2Fwww_swarovski_com%2FWeb_JP%2Fja%2F10%2Fcategory%2F%E3%82%A2%E3%82%A6%E3%83%88%E3%83%AC%E3%83%83%E3%83%88_html=as of 2026Not blockedhttps://ad.doubleclick.net/ddm/trackclk/N1048473.290927AFFIPERF.COM/B29127665.366536033%3Bdc_trk_aid%3D557509922%3Bdc_trk_cid%3D191468887%3Bdc_lat%3D%3Bdc_rdid%3D%3Btag_for_child_directed_treatment%3D%3Btfua%3D%3Bltd%3D%3Bdc_tdv%3D1as of 2026Not blockedhttp://ad-apac.doubleclick.net/adi/linkedin.dart/home%3Boptout%3Dfalse%3Blang%3Den%3Btile%3D2%3Bsz%3D300x250%3Bv%3D6%3Bu%3D1zi5pykRBhhA9GoT1vcAV9%3Bmod%3D750%3Btitle%3Dm%3Bfunc%3Deng%3Bcoid%3D1337%3Bind%3D6%3Bcsize%3Dg%3Bocc%3D426%3Bpocc%3D12%3Bzip%3D9430as of 2026Not blockedhttp://googleads.g.doubleclick.net/aclk?sa=L&ai=CsHCGTOngU-_jCdKt8AWDx4CIAtzxw54F1L7c-MkB2MWJqC8QASDQj-oiUNequPr5_____wFg2QLIAQSpAjOPq76DUYE-qAMBqgRpT9CHdzIThJmnmLsGfFCJb8DYQ7ra7OzHYMlnJSpnd8GieRQpNxB0cwZ2OicwZxmYEQvkkG76Occ3LaXY6qKDcCA6yD-CyYFqV6D1FyGsQmas of 2026Not blockedhttp://googleads.g.doubleclick.net/aclk?sa=l&ai=C3D2woFj3U8etIMHN9AWqqoGwAZjtk_0FmIPw9tIB0Iuj0JUGEAEg_LKlJlCA2LXK-v____8BYJ8BoAGYlIjNA8gBAqkCpFYwC0PrYT6oAwHIA8EEqgR5T9DY3_FrPrA3nwDCJmTCD_26oj887xBs_cldy1AKL7f1_5UxisaDl3fvlX1_5W2zdebKA3pYiB50Avkeg_itxRrS2nas of 2026Not blockedhttps://bid.g.doubleclick.net/xbbe/creative/ad?d=APEucNXYvZTKbQgxOumBsBgHg8Hxbe3oMnTi0M_OL-QO7ce_PZ5Zfz5OpHRcZ_a_FStVeCnIxydYWoFjXTcoDxsqkJzzb2Brb3o2v4U4Kf4uiWC8dCEY_nvil7jDl781H1IKlBVP_ZTg19kCq1USBeR9YP_qp1zMv8htGiXsqP7943fd4eW2KYOuuFm_HXfLt0nSS75lwRCIk0as of 2026Not blockedhttp://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-9040491622218540&output=html&h=90&slotname=8163185087&adk=1997004767&w=728&lmt=1421657419&flash=11.6.602&url=http%3A%2F%2Fshop.bytravel.cn%2Fproduce1%2F6CB395F4718F8089.html&dt=1426679334834&bpp=Not blockedhttp://googleads.g.doubleclick.net/aclk?sa=L&ai=BX5trSyFHVd3_N5CmvATNjYDwBrenjrsGAAAAEAEgj5HMHzgAWNeCzsWmAmCdod-B2AWyAQ53d3cubmFuemFvLmNvbboBCWdmcF9pbWFnZcgBA9oBcWh0dHA6Ly93d3cubmFuemFvLmNvbS9zYy9uYXRpb25hbC8xNGQxZDQxYzA5ZmFkOGMvcWlhbi1nYW5nLWFvLWJhbi16aHas of 2026Not blockedhttp://googleads.g.doubleclick.net/pcs/click?xai=AKAOjsvtXnB-LKwYIlMd2GVgkfUgyT246OPZZfjXZFBIthToJg9jeCYbQi4XWMAllrkbDf1juzc5tofmbOY0ifq4oG-c_tQFnDQct1gEEmZNG5HO9ivNPjwfXYkIyzXqbYOrvDyTaY6EcmvkUAq9qWXQjqRT93x2rwCpoeantOzNrjwMEsF9S51m_xF_JoEqeTxzJ2h1G7AGH_Not blockedhttps://googleads.g.doubleclick.net/pagead/viewthroughconversion/720383889/?random=1575974760213&cv=9&fst=1575974760213&num=1&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=768&u_w=1366&u_ah=728&u_aw=1366&u_cd=24&u_his=3&u_tz=330&u_java=false&u_nplug=1&u_nmiNot blockedhttps://googleads.g.doubleclick.net/pcs/click?xai=AKAOjsuUHbC_Doauxq8utOvVV-VB60Ofr2X3mf3l_PYP1mv1mDDQKIkdgMv7_Hhyqqra_J1a1b1M7eB1hHlWGYuQ8XpyMfxHYJs4-BhGFb5nLh8hkf2psNktNNhFTmHgE_6SgQfwoTRhm1N9fwQiQ-omoePawTqFGZHWq7aidDvQSnUYVS90N2PHdEJh343i21RfvWRp9Zk7Cas of 2026Not blocked
Each verdict covers the last 90 days of tests, as on that URL's own page.
Frequently asked questions
Is https://googleads.g.doubleclick.net/pagead/html/r20210701/r20190131/zrt_lookup.html blocked in mainland China right now?
We haven't tested https://googleads.g.doubleclick.net/pagead/html/r20210701/r20190131/zrt_lookup.html in the last 90 days. As of the last test on 2026-06-09 (3 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.
https://googleads.g.doubleclick.net/pagead/html/r20210701/r20190131/zrt_lookup.html · JSON