`rt.cx`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2433^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b9a3^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.51^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.163^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dion.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dion.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dion.ns.cloudflare.com`
		A	108.162.193.156^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	172.64.33.156^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
		A	173.245.59.156^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dion.ns.cloudflare.com`
NS	`marge.ns.cloudflare.com`
		A	2606:4700:50::adf5:3abf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marge.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marge.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marge.ns.cloudflare.com`
		A	108.162.192.191^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marge.ns.cloudflare.com`
		A	172.64.32.191^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marge.ns.cloudflare.com`
		A	173.245.58.191^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marge.ns.cloudflare.com`
MX	`_dc-mx.5e7fb45f75d1.rt.cx` ⭐
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.51, 172.67.185.163
		IPv6 hints	2606:4700:3031::6815:2433, 2606:4700:3034::ac43:b9a3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com
SOA	`dion.ns.cloudflare.com`dns@cloudflare.com serial=2403425455

`cx`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns.anycast.nic.cx` ⭐
	NS	`ns1.anycastdns.cz`
	NS	`ns2.anycastdns.cz`
	TXT	`Generation Time ISO 8601: 2026-05-17 08:04:42`
	TXT	`Generation Time: 1779005082`
	SOA	`ns.anycast.nic.cx`hostmaster@coccaregistry.org 2026-05-17 #4

Previously MX for

rt.cx

Subdomains

www.rt.cx

Same first word

rt.live

rt.com.tw

rt.hu

rt.eu

rt.lv

rt.com.ar

rt.sakura.ne.jp

rt.cr

rt.training

rt.je

rt.co.il

rt.is

rt.by

rt.co.ua

rt.cm

rt.co

rt.ee

rt.gg

rt.org.ua

rt.fi

rt.ms

rt.com.br

rt.ae

rt.ac.th

rt.hk

rt.world

rt.rs

rt.chat

rt.bh

rt.systems

rt.at

rt.tc

rt.gw

rt.fr

rt.x0.com

rt.inf.br

rt.org.ru

rt.cn

rt.ro

rt.ma

rt.xen.prgmr.com

rt.com.tr

rt.com.sa

rt.net

rt.fyi

rt.cc

rt.do

rt.com.co

rt.cx

rt.lc

rt.org.tr

rt.vg

rt.academy

rt.support

rt.wtf

rt.gy

rt.tel

rt.ht

rt.to

rt.sk

rt.ru

rt.com

rt.ua

rt.fm

rt.com.es

rt.dk

rt.sg

rt.com.au

rt.ink

rt.plus

rt.uk

rt.tr

rt.co.uk

rt.no

rt.center

rt.gov.sa

rt.md

rt.be

rt.su

rt.nl

rt.ca

rt.biz

rt.net.ua

rt.de

rt.lt

rt.org

Similar names

tr.group

tr.capital

tr.mba

tr

tr.am

tr.taxi

tr.vc

tr.com.pl

tr.properties

tr.la

tr.ro

tr.link

tr.hu

tr.is

tr.gl

tr.edgesuite.net

tr.systems

tr.cx

tr.net.tr

tr.nl

tr.s3.eu-central-1.amazonaws.com

tr.com.mx

tr.s3-website-eu-west-1.amazonaws.com

tr.fr

tr.ge

tr.cm

tr.nu

tr.university

tr.gs

tr.ht

tr.land

tr.ca

tr.co.kr

tr.af

tr.al

tr.eco.br

tr.church

tr.gz.cn

tr.center

tr.tv

tr.training

tr.energy

tr.cn

tr.gen.tr

tr.memorial

tr.org

tr.tc

tr.ph

tr.fi

tr.nhs.uk

tr.su

tr.akamaized.net

tr.k12.in.us

tr.com.cn

tr.s3-website-us-east-1.amazonaws.com

tr.gp

tr.com.au

tr.ink

tr.ee

DNS History

20 records (7 active, 13 former)

●NSdion.ns.cloudflare.com2015-10-19 → 2026-05-17 · 3 obs

○ 2015-08-24 01:28:20
● 2015-10-19 08:07:32
● 2026-05-17 09:33:24

●NSmarge.ns.cloudflare.com2015-10-19 → 2026-05-17 · 3 obs

○ 2015-08-24 01:28:20
● 2015-10-19 08:07:32
● 2026-05-17 09:33:24

○NSns1.iwantmyname.net2015-08-24 → 2015-08-24 · 3 obs

● 2015-08-24 01:28:20
○ 2015-10-19 08:07:32
○ 2026-05-17 09:33:24

○NSns2.iwantmyname.net2015-08-24 → 2015-08-24 · 3 obs

● 2015-08-24 01:28:20
○ 2015-10-19 08:07:32
○ 2026-05-17 09:33:24

○NSns3.iwantmyname.net2015-08-24 → 2015-08-24 · 3 obs

● 2015-08-24 01:28:20
○ 2015-10-19 08:07:32
○ 2026-05-17 09:33:24

○NSns4.iwantmyname.net2015-08-24 → 2015-08-24 · 3 obs

● 2015-08-24 01:28:20
○ 2015-10-19 08:07:32
○ 2026-05-17 09:33:24

●MX_dc-mx.5e7fb45f75d1.rt.cx2026-05-17 → 2026-05-17 · 3 obs

○ 2019-08-12 13:04:58
● 2026-05-17 02:25:04
● 2026-05-17 09:33:24

○MXdc-af476bafa6d1.rt.cx2019-08-12 → 2019-08-12 · 4 obs

○ 2017-09-25 12:47:44
● 2019-08-12 13:04:58
○ 2026-05-17 02:25:04
○ 2026-05-17 09:33:24

○MXrt.cx2015-10-19 → 2017-09-25 · 4 obs

● 2015-10-19 08:07:32
● 2017-09-25 12:47:44
○ 2019-08-12 13:04:58
○ 2026-05-17 09:33:24

○A104.18.36.1572019-08-12 → 2019-08-12 · 4 obs

○ 2017-09-25 12:47:44
● 2019-08-12 13:04:58
○ 2026-05-17 02:25:04
○ 2026-05-17 09:33:24

○A104.18.37.1572019-08-12 → 2019-08-12 · 4 obs

○ 2017-09-25 12:47:44
● 2019-08-12 13:04:58
○ 2026-05-17 02:25:04
○ 2026-05-17 09:33:24

●A104.21.36.512026-05-17 → 2026-05-17 · 3 obs

○ 2019-08-12 13:04:58
● 2026-05-17 02:25:04
● 2026-05-17 09:33:24

○A138.201.89.762016-07-01 → 2016-12-13 · 5 obs

○ 2016-03-13 04:53:18
● 2016-07-01 17:34:28
● 2016-12-13 11:33:42
○ 2016-12-23 23:52:20
○ 2026-05-17 09:33:24

●A172.67.185.1632026-05-17 → 2026-05-17 · 3 obs

○ 2019-08-12 13:04:58
● 2026-05-17 02:25:04
● 2026-05-17 09:33:24

○A192.99.10.1692015-08-24 → 2016-03-13 · 4 obs

● 2015-08-24 01:28:20
● 2016-03-13 04:53:18
○ 2016-07-01 17:34:28
○ 2026-05-17 09:33:24

○A2606:4700:30::6812:249d2019-08-12 → 2019-08-12 · 4 obs

○ 2017-09-25 12:47:44
● 2019-08-12 13:04:58
○ 2026-05-17 02:25:04
○ 2026-05-17 09:33:24

○A2606:4700:30::6812:259d2019-08-12 → 2019-08-12 · 4 obs

○ 2017-09-25 12:47:44
● 2019-08-12 13:04:58
○ 2026-05-17 02:25:04
○ 2026-05-17 09:33:24

●A2606:4700:3031::6815:24332026-05-17 → 2026-05-17 · 3 obs

○ 2019-08-12 13:04:58
● 2026-05-17 02:25:04
● 2026-05-17 09:33:24

●A2606:4700:3034::ac43:b9a32026-05-17 → 2026-05-17 · 3 obs

○ 2019-08-12 13:04:58
● 2026-05-17 02:25:04
● 2026-05-17 09:33:24

○A34.192.153.1492016-12-23 → 2017-09-25 · 5 obs

○ 2016-12-13 11:33:42
● 2016-12-23 23:52:20
● 2017-09-25 12:47:44
○ 2019-08-12 13:04:58
○ 2026-05-17 09:33:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cx	ns.anycast.nic.cx, ns1.anycastdns.cz, ns2.anycastdns.cz	5 records

✅ Authoritative Response

Server:185.28.194.194

NS records: ns.anycast.nic.cx, ns1.anycastdns.cz, ns2.anycastdns.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 955ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 5

In-bailiwick: 2 (ns.anycast.nic.cx, ns.anycast.nic.cx)

Out-of-bailiwick: 3 (ns1.anycastdns.cz, ns2.anycastdns.cz, ns1.anycastdns.cz)

Analysis

Hierarchy

rt.cx is a parent of www.rt.cx.

IP Addresses

rt.cx resolves to four IP addresses: 2606:4700:3031::6815:2433, 2606:4700:3034::ac43:b9a3, 104.21.36.51 and 172.67.185.163.

other host names, for instance twostep.help, kettler.it, lotusdale.com and 2 other share IP numbers with rt.cx.

Name Servers

rt.cx is delegated to two name servers, dion.ns.cloudflare.com and marge.ns.cloudflare.com.

rt.cx shares the same name server setup with other domains, for instance intervisions.com.mt, szgdtl.com, rstuff.in and 2 other.

rt.cx at least partially shares name servers with other domains, for instance jiuyish.com, tiraventolur.com, bioteam.com.br and 2 other.

these name servers are often used together with the name servers josephine.ns.cloudflare.com and gene.ns.cloudflare.com.

Host names with six IP numbers:

The host name dion.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9c, 2803:f800:50::6ca2:c19c, 2a06:98c1:50::ac40:219c and 3 other.

The host name marge.ns.cloudflare.com points to: 2606:4700:50::adf5:3abf, 2803:f800:50::6ca2:c0bf, 2a06:98c1:50::ac40:20bf and 3 other.

Mail Servers

rt.cx is handled by one mail server, _dc-mx.5e7fb45f75d1.rt.cx.

rt.cx - robtex.com

rt.cx

cx

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`rt.cx`

`cx`