CF1760355780385-tsm20251012143351

WWW.RTSAK.COM - 21st.us

Search for IP or hostnames:

21st.us checked at 2025-10-13T11:43:00.343Z 841ms 63/63/63 100% R:12

21st.us

MXwebhost.dynadot.com
A54.219.39.13🇺🇸 Amazon
PTRwebhost.dynadot.com
NSgeo2.dyna-ns.net
A52.36.131.156🇺🇸 Amazon
PTRparkmail.dynadot.com
NSgeo.dyna-ns.net
A34.208.247.216🇺🇸 Amazon
PTRec2-34-208-247-216.us-west-2.compute.amazonaws.com
A54.177.117.207🇺🇸 Amazon
PTRec2-54-177-117-207.us-west-1.compute.amazonaws.com

us

NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us

Starts with same word

Starts similarily

AI analysis

21st.us points to IP number: 54.177.117.207.

Other host names such as 23.tel, asmith.eu, justfood.com, adhoclink.com and primewaytravels.com share IPs with 21st.us.

21st.us is delegated to two name servers: geo2.dyna-ns.net and geo.dyna-ns.net.

21st.us shares the same name server setup as c99.ch, sik.us, faa.biz, yobub.net and scoop.name.

Host names with a single IP:

geo2.dyna-ns.net points to 52.36.131.156.

geo.dyna-ns.net points to 34.208.247.216.

21st.us is handled by a single mail server, webhost.dynadot.com.

The mail server setup for 21st.us matches that of other domains, for instance nabeel.net, bluesans.com, turboboosting.com, hopeforlearning.com and dealreferral.com.

21st.us shares some mail servers with other domains, at least in part, for instance hontat.com.

webhost.dynadot.com points to a single IP: 54.219.39.13.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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fTPcmzO CF johedugfp 2025-10-13