IPLIST.NET - challs.tsukuctf.org

Search for IP or hostnames:

challs.tsukuctf.org checked at 2025-11-19T16:46:21.444Z 371ms 238/238/238 100% R:12 allDone:true timedOut:false

`challs.tsukuctf.org`

CNAME	`tsukuctf.org`
NS	`merlin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bcd ^{🇺🇸 Cloudflare}
			PTR	`merlin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cd ^{🇨🇷 Cloudflare}
			PTR	`merlin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cd ^{🇺🇸 Cloudflare}
			PTR	`merlin.ns.cloudflare.com`
		A	108.162.193.205^{🇺🇸 Cloudflare}
			PTR	`merlin.ns.cloudflare.com`
		A	172.64.33.205^{🇺🇸 Cloudflare}
			PTR	`merlin.ns.cloudflare.com`
		A	173.245.59.205^{🇺🇸 Cloudflare}
			PTR	`merlin.ns.cloudflare.com`
NS	`sonia.ns.cloudflare.com`
		A	2606:4700:50::a29f:26be ^{🇺🇸 Cloudflare}
			PTR	`sonia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2be ^{🇨🇷 Cloudflare}
			PTR	`sonia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22be ^{🇺🇸 Cloudflare}
			PTR	`sonia.ns.cloudflare.com`
		A	108.162.194.190^{🇺🇸 Cloudflare}
			PTR	`sonia.ns.cloudflare.com`
		A	162.159.38.190^Cloudflare
			PTR	`sonia.ns.cloudflare.com`
		A	172.64.34.190^{🇺🇸 Cloudflare}
			PTR	`sonia.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net`
		A	2606:4700:f5::b ^{🇺🇸 Cloudflare}
		A	2606:4700:f5::c ^{🇺🇸 Cloudflare}
		A	2606:4700:f5::d ^{🇺🇸 Cloudflare}
		A	162.159.205.11^Cloudflare
		A	162.159.205.12^Cloudflare
		A	162.159.205.13^Cloudflare
MX	`route2.mx.cloudflare.net`
		A	2606:4700:f5::e ^{🇺🇸 Cloudflare}
		A	2606:4700:f5::f ^{🇺🇸 Cloudflare}
		A	2606:4700:f5::10 ^{🇺🇸 Cloudflare}
		A	162.159.205.17^Cloudflare
		A	162.159.205.18^Cloudflare
		A	162.159.205.19^Cloudflare
MX	`route3.mx.cloudflare.net`
		A	2606:4700:f5::11 ^{🇺🇸 Cloudflare}
		A	2606:4700:f5::12 ^{🇺🇸 Cloudflare}
		A	2606:4700:f5::13 ^{🇺🇸 Cloudflare}
		A	162.159.205.23^Cloudflare
		A	162.159.205.24^Cloudflare
		A	162.159.205.25^Cloudflare
A	2606:50c0:8000::153 ^{🇺🇸 Fastly}
A	2606:50c0:8001::153 ^{🇺🇸 Fastly}
A	2606:50c0:8002::153 ^{🇺🇸 Fastly}
A	2606:50c0:8003::153 ^{🇺🇸 Fastly}
A	185.199.108.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-109-153.github.com`
A	185.199.110.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-110-153.github.com`
A	185.199.111.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-111-153.github.com`

`tsukuctf.org`

	NS	`merlin.ns.cloudflare.com`
	NS	`sonia.ns.cloudflare.com`
	MX	`route1.mx.cloudflare.net`
	MX	`route2.mx.cloudflare.net`
	MX	`route3.mx.cloudflare.net`
	A	2606:50c0:8000::153 ^{🇺🇸 Fastly}
	A	2606:50c0:8001::153 ^{🇺🇸 Fastly}
	A	2606:50c0:8002::153 ^{🇺🇸 Fastly}
	A	2606:50c0:8003::153 ^{🇺🇸 Fastly}
	A	185.199.108.153^{🇺🇸 Fastly}
	A	185.199.109.153^{🇺🇸 Fastly}
	A	185.199.110.153^{🇺🇸 Fastly}
	A	185.199.111.153^{🇺🇸 Fastly}

Starts with same word

challs.co.uk

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challs.co.uk

ahsllc.net

allhcs.com

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AI analysis

Eight IP numbers are targeted by challs.tsukuctf.org: 2606:50c0:8000::153, 2606:50c0:8001::153, 2606:50c0:8002::153, 2606:50c0:8003::153, 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

other host names including varkor.github.io, opla.cz, andersmalmgren.github.io, tomarfaruk.github.io and naregi.org share IP numbers with challs.tsukuctf.org.

challs.tsukuctf.org is delegated to two name servers merlin.ns.cloudflare.com and sonia.ns.cloudflare.com.

challs.tsukuctf.org uses the same name server setup as other domains such as tsukuctf.org, gastrogem.com, tfcg.org and vipiko.tv.

challs.tsukuctf.org at least partially shares name servers with other domains, for instance scriptable.app, www27877f.com, isapteka.ru, cole2.net and caihong8.net.

These name servers are commonly used with adam.ns.cloudflare.com, chan.ns.cloudflare.com and logan.ns.cloudflare.com.

Host names with six IP numbers:

Host name merlin.ns.cloudflare.com points to: 2606:4700:58::adf5:3bcd, 2803:f800:50::6ca2:c1cd, 2a06:98c1:50::ac40:21cd, 108.162.193.205, 172.64.33.205 and 173.245.59.205.

Host name sonia.ns.cloudflare.com points to: 2606:4700:50::a29f:26be, 2803:f800:50::6ca2:c2be, 2a06:98c1:50::ac40:22be, 108.162.194.190, 162.159.38.190 and 172.64.34.190.

challs.tsukuctf.org is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

challs.tsukuctf.org shares some mail servers with other domains, at least partially, for instance radhints.com, kema.site, wroffle.com, box5.co.uk and pro100proxy.ru.

Host names with six IP numbers:

Host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

Host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

Host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

dbq