CF1759194337630-tsm20250929235914

WWW.ROBTEX.COM - as21903.net

Search for IP or hostnames:

as21903.net checked at 2025-09-30T01:05:37.604Z 218ms 170/170/170 100% R:11

as21903.net

NSns-211.awsdns-26.com
A2600:9000:5300:d300::1🇺🇸 Amazon
PTRns-211.awsdns-26.com
A205.251.192.211🇺🇸 Amazon
PTRns-211.awsdns-26.com
NSns-679.awsdns-20.net
A2600:9000:5302:a700::1🇺🇸 Amazon
PTRns-679.awsdns-20.net
A205.251.194.167🇺🇸 Amazon
PTRns-679.awsdns-20.net
NSns-1328.awsdns-38.org
A2600:9000:5305:3000::1🇺🇸 Amazon
PTRns-1328.awsdns-38.org
A205.251.197.48🇺🇸 Amazon
PTRns-1328.awsdns-38.org
MXinbound-smtp.us-east-1.amazonaws.com
A3.211.210.226🇺🇸 Amazon
PTRec2-3-211-210-226.compute-1.amazonaws.com
A44.206.9.87🇺🇸 Amazon
PTRec2-44-206-9-87.compute-1.amazonaws.com
A44.210.166.32🇺🇸 Amazon
PTRec2-44-210-166-32.compute-1.amazonaws.com
A54.164.173.191🇺🇸 Amazon
PTRec2-54-164-173-191.compute-1.amazonaws.com
A54.197.5.236🇺🇸 Amazon
PTRec2-54-197-5-236.compute-1.amazonaws.com
NSns-1663.awsdns-15.co.uk
A2600:9000:5306:7f00::1🇺🇸 Amazon
PTRns-1663.awsdns-15.co.uk
A205.251.198.127🇺🇸 Amazon
PTRns-1663.awsdns-15.co.uk

net

NSa.gtld-servers.net
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net

Up

Starts with same word

Starts similarily

AI analysis

as21903.net is parent of dfw.as21903.net and sea01.as21903.net.

as21903.net is delegated to four name servers: ns-211.awsdns-26.com, ns-679.awsdns-20.net, ns-1328.awsdns-38.org and ns-1663.awsdns-15.co.uk.

as21903.net at least partially shares name servers with other domains, for instance darsiesports.com, nabusas.com, d164v15j905c12.cloudfront.net, ffox.info and lpac.com.

These name servers are commonly used with the name servers ns-1652.awsdns-14.co.uk, ns-244.awsdns-30.com, ns-635.awsdns-15.net, dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net, ns-1102.awsdns-09.org and ns-1491.awsdns-58.org.

Host names with two IP numbers:

Host name ns-211.awsdns-26.com points to: 2600:9000:5300:d300::1 and 205.251.192.211.

Host name ns-679.awsdns-20.net points to: 2600:9000:5302:a700::1 and 205.251.194.167.

Host name ns-1328.awsdns-38.org points to: 2600:9000:5305:3000::1 and 205.251.197.48.

Host name ns-1663.awsdns-15.co.uk points to: 2600:9000:5306:7f00::1 and 205.251.198.127.

as21903.net is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.

as21903.net shares the same mail server setup as other domains, for instance jll-erm.slack.com, kvadrat.slack.com, vacisupportsquad.slack.com, developersmd.slack.com and leshylabs.com.

as21903.net shares mail servers with other domains at least partially, including enterpriseleague.com, medworxs.atlassian.net, iscs.com, redseedsolutions.atlassian.net and aimfirst.com.

these mail servers are often used alongside inbound-smtp.us-west-2.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host inbound-smtp.us-east-1.amazonaws.com resolves to five IPs: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.

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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maobPit CF johedugfp 2025-09-30