21st.ai - robtex.com
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21st.ai checked at 2026-01-17T19:16:52.421Z 860ms 158/158/158 100% R:15 allDone:true timedOut:false cfaller:942e4db6/18:ca6a4edf:6:16216:-:-:-21st.ai
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AI analysis
Four IP numbers are pointed to by 21st.ai: 2606:4700:3108::ac42:28d9, 2606:4700:3108::ac42:2b27, 172.66.40.217 and 172.66.43.39.
other host names including fortunejack.com, blog.pageproof.com, geoff-banks.com, secure.foodandwaterwatch.org and vehiclesforveterans.org share IP numbers with 21st.ai.
21st.ai is delegated to two name servers arya.ns.cloudflare.com and derek.ns.cloudflare.com.
21st.ai shares the same name server setup as other domains, for instance owned-networks.net, azowato.com, kmfinancial.ie, drvx.net and bahai.lt.
21st.ai at least partially shares name servers with other domains, for instance langemeijer.info, smwilson.com, otooyun.com, selingkuh.com and ppso.nl.
These name servers are commonly used alongside david.ns.cloudflare.com and nash.ns.cloudflare.com.
Host names with six IP numbers:
Host name arya.ns.cloudflare.com points to: 2606:4700:50::adf5:3a46, 2803:f800:50::6ca2:c046, 2a06:98c1:50::ac40:2046, 108.162.192.70, 172.64.32.70 and 173.245.58.70.
Host name derek.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9a, 2803:f800:50::6ca2:c19a, 2a06:98c1:50::ac40:219a, 108.162.193.154, 172.64.33.154 and 173.245.59.154.
Four mail servers handle 21st.ai: aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
21st.ai shares some mail servers with other domains, at least partially, for instance ns500731.ns500671.ns500754.ns500742.ns500754.ns500678.ns500678.ns500649.ns500688.ns500649.ns500649.lustychickser.com, ns500699.ns500693.ns500693.ns500734.ns500693.ns500734.ns500734.ns500693.ns500699.ns500693.ns500683.ns500693.ns500632.ns500632.ns500632.ns500612.dtrkdll.com, ns500759.ns500759.ns500758.ns500736.ns500735.ns500735.ns500698.ns500708.ns500708.ns500576.ns500576.ns500576.ns500576.tracksymphony.com, pcttcp.org.tw and ns500698.ns500759.ns500758.ns500698.ns500758.ns500736.ns500735.ns500735.ns500576.ns500698.ns500619.ns500686.ns500619.trackreceptor.com.
These mail servers are commonly used alongside alt1.aspmx.l.google.com and aspmx2.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c19::1a and 192.178.155.26; alt2.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27; alt3.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27; alt4.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.27.