ctl.tw - dns.ninja

`ctl.tw`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::ac43:d6a2^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2d82^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.130^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.162^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`charles.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c153^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`charles.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2153^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`charles.ns.cloudflare.com`
		A	108.162.193.83^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	172.64.33.83^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	173.245.59.83^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
NS	`yolanda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yolanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yolanda.ns.cloudflare.com`
		A	108.162.192.241^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	172.64.32.241^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	173.245.58.241^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=8zOXeRQXjimggiKSUImIpZl-P3gCxYM0Bshtpl-a9Yo`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.130, 172.67.214.162
		IPv6 hints	2606:4700:3030::ac43:d6a2, 2606:4700:3037::6815:2d82
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com
SOA	`charles.ns.cloudflare.com`dns@cloudflare.com serial=2411684035

`tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.tw` ⭐
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.dns.tw`
	NS	`c.dns.tw`
	NS	`d.dns.tw`
	NS	`e.dns.tw`
	NS	`f.dns.tw`
	NS	`g.dns.tw`
	NS	`h.dns.tw`
	SOA	`a.dns.tw`snw@twnic.net.tw serial=2011049040

Subdomains

ec2.ctl.tw

Same first word

ctl.co.at

ctl.co

ctl.za.com

ctl.com.tw

ctl.pl

ctl.com

ctl.com.ar

ctl.in

ctl.tv

ctl.com.tr

ctl.org.nz

ctl.limited

ctl.ru

ctl.es

ctl.sk

ctl.ro

ctl.co.jp

ctl.com.ua

ctl.vn

ctl.tw

ctl.education

ctl.no

ctl.dk

ctl.io

ctl.lu

ctl.com.uy

ctl.se

ctl.co.th

ctl.nyc

ctl.com.pl

ctl.ch

ctl.network

ctl.mb.ca

ctl.info

ctl.eu

ctl.systems

ctl.io.vn

ctl.fr

ctl.hk

ctl.it

ctl.me

ctl.today

ctl.group

ctl.co.kr

ctl.cl

ctl.ac.th

ctl.de

ctl.wiki

ctl.ge

ctl.edu.co

ctl.computer

ctl.kz

ctl.tech

ctl.net.in

ctl.jp

ctl.services

ctl.is

ctl.company

ctl.pe

ctl.lv

ctl.net

ctl.wroc.pl

ctl.vg

ctl.lt

ctl.one

ctl.eu.com

ctl.com.vn

ctl.com.mx

ctl.org

ctl.technology

ctl.dev

ctl.be

ctl.at

Similar names

ltc.berlin

tcl.bm

clt.net

clt.xyz

tcl.cz

lct.cz

ltc.net.ly

tcl.gr

ltc.cc

tcl.fr

tcl.ir

ltc.digital

ltc.com.tw

tlc.edu

tlc.si

lct.tw

ltc.cn

ltc.exchange

tlc.co.at

ltc.agency

lct.me

ltc.investments

ltc.org.in

tcl.net.in

tcl.tk

tlc.properties

tlc.cl

tcl.guru

tlc.org.pl

clt.green

ltc.co.th

lct.pl

tcl.lv

lct.co.uk

clt.ae

ltc.com.vn

lct.com.ua

tcl.digital

ltc.com.py

lct.com.sg

tlc.or.jp

tlc.es

lct.de

tlc.vic.edu.au

ltc.co.nz

clt.cn

tlc.mobi

tlc.net.nz

tlc.group

tcl.biz

tcl.wiki

clt.org.nz

ltc.nl

tlc.solutions

ltc.sg

tcl.foundation

tlc.am

tlc.com.pl

clt.ltd

ltc.ma

tcl.or.jp

tlc.com.sg

ltc.pl

ltc.co.at

ltc.ac.th

tcl.ch

tcl.ma

ltc.top

tlc.com.vn

tlc.co.il

lct.mx

tlc.eu

tcl.eu.com

ltc.financial

tlc.com.ph

ltc.it

ltc.pe

clt.condos

clt.lu

tlc.ee

tlc.plumbing

DNS History

27 records (11 active, 16 former)

●NScharles.ns.cloudflare.com2020-11-11 → 2026-08-11 · 3 obs

○ 2017-01-22 14:09:40
● 2020-11-11 14:10:10
● 2026-08-11 15:29:02

○NSns1.he.net2015-07-19 → 2017-01-22 · 4 obs

● 2015-07-19 09:08:10
● 2017-01-22 14:09:40
○ 2020-11-11 14:10:10
○ 2026-08-11 15:29:02

○NSns2.he.net2015-07-19 → 2017-01-22 · 4 obs

● 2015-07-19 09:08:10
● 2017-01-22 14:09:40
○ 2020-11-11 14:10:10
○ 2026-08-11 15:29:02

○NSns3.he.net2015-07-19 → 2017-01-22 · 4 obs

● 2015-07-19 09:08:10
● 2017-01-22 14:09:40
○ 2020-11-11 14:10:10
○ 2026-08-11 15:29:02

○NSns4.he.net2015-07-19 → 2017-01-22 · 4 obs

● 2015-07-19 09:08:10
● 2017-01-22 14:09:40
○ 2020-11-11 14:10:10
○ 2026-08-11 15:29:02

○NSns5.he.net2015-07-19 → 2017-01-22 · 4 obs

● 2015-07-19 09:08:10
● 2017-01-22 14:09:40
○ 2020-11-11 14:10:10
○ 2026-08-11 15:29:02

●NSyolanda.ns.cloudflare.com2020-11-11 → 2026-08-11 · 3 obs

○ 2017-01-22 14:09:40
● 2020-11-11 14:10:10
● 2026-08-11 15:29:02

●MXalt1.aspmx.l.google.com2015-07-19 → 2026-08-11 · 2 obs

● 2015-07-19 09:08:10
● 2026-08-11 15:29:02

●MXalt2.aspmx.l.google.com2026-02-21 → 2026-08-11 · 3 obs

○ 2020-11-11 14:10:10
● 2026-02-21 15:08:48
● 2026-08-11 15:29:02

●MXalt3.aspmx.l.google.com2026-02-21 → 2026-08-11 · 3 obs

○ 2020-11-11 14:10:10
● 2026-02-21 15:08:48
● 2026-08-11 15:29:02

●MXalt4.aspmx.l.google.com2026-02-21 → 2026-08-11 · 3 obs

○ 2020-11-11 14:10:10
● 2026-02-21 15:08:48
● 2026-08-11 15:29:02

●MXaspmx.l.google.com2015-07-19 → 2026-08-11 · 2 obs

● 2015-07-19 09:08:10
● 2026-08-11 15:29:02

○MXaspmx2.googlemail.com2015-07-19 → 2020-11-11 · 4 obs

● 2015-07-19 09:08:10
● 2020-11-11 14:10:10
○ 2026-02-21 15:08:48
○ 2026-08-11 15:29:02

○A104.18.62.412020-11-11 → 2020-11-11 · 4 obs

○ 2017-01-22 14:09:40
● 2020-11-11 14:10:10
○ 2026-02-21 15:08:48
○ 2026-08-11 15:29:02

○A104.18.63.412020-11-11 → 2020-11-11 · 4 obs

○ 2017-01-22 14:09:40
● 2020-11-11 14:10:10
○ 2026-02-21 15:08:48
○ 2026-08-11 15:29:02

●A104.21.45.1302026-03-19 → 2026-08-11 · 12 obs

○ 2026-02-21 15:08:48
● 2026-03-19 01:28:30
○ 2026-03-23 00:53:56
● 2026-03-25 04:12:12
● 2026-03-31 13:00:50
○ 2026-04-07 14:35:20
● 2026-04-15 16:52:20
● 2026-05-18 06:23:40
○ 2026-06-22 10:14:34
● 2026-07-01 09:33:06
○ 2026-07-15 03:05:08
● 2026-08-11 15:29:02

○A125.227.221.1852015-07-19 → 2017-01-22 · 4 obs

● 2015-07-19 09:08:10
● 2017-01-22 14:09:40
○ 2020-11-11 14:10:10
○ 2026-08-11 15:29:02

●A172.67.214.1622020-11-11 → 2026-08-11 · 14 obs

○ 2017-01-22 14:09:40
● 2020-11-11 14:10:10
○ 2026-02-21 15:08:48
● 2026-03-19 01:28:30
○ 2026-03-23 00:53:56
● 2026-03-25 04:12:12
● 2026-03-31 13:00:50
○ 2026-04-07 14:35:20
● 2026-04-15 16:52:20
● 2026-05-18 06:23:40
○ 2026-06-22 10:14:34
● 2026-07-01 09:33:06
○ 2026-07-15 03:05:08
● 2026-08-11 15:29:02

○A188.114.96.02026-02-21 → 2026-07-15 · 13 obs

○ 2020-11-11 14:10:10
● 2026-02-21 15:08:48
○ 2026-03-19 01:28:30
● 2026-03-23 00:53:56
○ 2026-03-25 04:12:12
○ 2026-03-31 13:00:50
● 2026-04-07 14:35:20
○ 2026-04-15 16:52:20
○ 2026-05-18 06:23:40
● 2026-06-22 10:14:34
○ 2026-07-01 09:33:06
● 2026-07-15 03:05:08
○ 2026-08-11 15:29:02

○A188.114.97.02026-02-21 → 2026-07-15 · 13 obs

●A2606:4700:3030::ac43:d6a22026-07-01 → 2026-08-11 · 4 obs

○ 2026-06-22 10:14:34
● 2026-07-01 09:33:06
○ 2026-07-15 03:05:08
● 2026-08-11 15:29:02

○A2606:4700:3032::ac43:d6a22020-11-11 → 2026-05-18 · 12 obs

○A2606:4700:3034::6812:3f292020-11-11 → 2020-11-11 · 4 obs

○ 2017-01-22 14:09:40
● 2020-11-11 14:10:10
○ 2026-02-21 15:08:48
○ 2026-08-11 15:29:02

○A2606:4700:3035::6812:3e292020-11-11 → 2020-11-11 · 4 obs

○ 2017-01-22 14:09:40
● 2020-11-11 14:10:10
○ 2026-02-21 15:08:48
○ 2026-08-11 15:29:02

●A2606:4700:3037::6815:2d822026-03-19 → 2026-08-11 · 12 obs

○A2a06:98c1:3120::2026-02-21 → 2026-07-15 · 13 obs

○A2a06:98c1:3121::2026-02-21 → 2026-07-15 · 13 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	-
ctl.tw	charles.ns.cloudflare.com, yolanda.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.83

NS records: charles.ns.cloudflare.com, yolanda.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1110ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.45.130, 172.67.214.162`
AAAA	2	`2606:4700:3030::ac43:d6a2, 2606:4700:3037::6815:2d82`
NS	2	`charles.ns.cloudflare.com, yolanda.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=8zOXeRQXjimggiK, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`charles.ns.cloudflare.com dns.cloudflare`

Analysis

Hierarchy

ctl.tw is a parent domain of ec2.ctl.tw.

IP Addresses

ctl.tw resolves to four IP addresses: 104.21.45.130, 172.67.214.162, 2606:4700:3030::ac43:d6a2 and 2606:4700:3037::6815:2d82.

Among the host names that share IP numbers with ctl.tw are 18-teen(0x736578).com, shyug.com, educationandcareercenter.com and two others.

Name Servers

Two name servers handle the delegation for ctl.tw: charles.ns.cloudflare.com and yolanda.ns.cloudflare.com.

ctl.tw has the same name server delegation as a number of other domains, such as odnorukiebandity.com, tsrv.com, ostyx.com and two more.

ctl.tw shares at least some of its name servers with other domains, including (0x736578)(0x706f726e)(0x787878).video, smsok.co, bonekaoyuki88.shop and two others.

These name servers are frequently seen alongside the name servers dana.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

charles.ns.cloudflare.com resolves to 108.162.193.83, 172.64.33.83 and 173.245.59.83 among others, with 3 other IP addresses in total.

yolanda.ns.cloudflare.com resolves to 108.162.192.241, 172.64.32.241 and 173.245.58.241 among others, with 3 other IP addresses in total.

Mail Servers

ctl.tw is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

ctl.tw shares at least some of its mail servers with other domains — for example listekconsulting.com, fullmoon-design.jp, spleash.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com resolves to two addresses: 142.251.16.26 and 2607:f8b0:4004:c25::1b.

alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.