tk.cx - dns.ninja

`tk.cx`

DNSSEC	⚠️ Not signed
A	103.168.172.37^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
		PTR	`www.messagingengine.com`
A	103.168.172.52^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
NS	`ns1.messagingengine.com` ⭐
		A	162.159.24.178^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.messagingengine.com`
NS	`ns2.messagingengine.com`
		A	162.159.25.191^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.messagingengine.com`
MX	`us1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`us2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`ns1.messagingengine.com`postmaster@messagingengine.com 2026-08-05 #0

`cx`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns.anycast.nic.cx` ⭐
	NS	`ns1.anycastdns.cz`
	NS	`ns2.anycastdns.cz`
	TXT	`Generation Time: 1786728847`
	TXT	`Generation Time ISO 8601: 2026-08-14 17:34:07`
	SOA	`ns.anycast.nic.cx`hostmaster@coccaregistry.org 2026-08-14 #15

Subdomains

*.tk.cx

com.tk.cx

www.tk.cx

Same first word

tk.ph

tk.lt

tk.id

tk.com

tk.org.tw

tk.ee

tk.pe

tk.inf.ua

tk.design

tk.gov.ba

tk.fi

tk.sg

tk.be

tk

tk.cr

tk.net.mk

tk.cc

tk.gl

tk.au

tk.ac.kr

tk.digital

tk.link

tk.go.th

tk.pl

tk.nov.ru

tk.ac.th

tk.by

tk.cn

tk.dk

tk.si

tk.ai

tk.cm

tk.s3.amazonaws.com

tk.center

tk.lv

tk.website.yandexcloud.net

tk.com.au

tk.no

tk.sa

tk.spb.ru

tk.co

tk.lviv.ua

tk.sh

tk.fan

tk.nl

tk.ws

tk.co.kr

tk.te.ua

tk.gov.tr

tk.is

tk.uy

tk.media

tk.partners

tk.la

tk.com.pl

tk.vc

tk.de

tk.net

tk.com.vn

tk.gg

tk.krakow.pl

tk.kz

tk.in.th

tk.city

tk.com.ua

tk.pp.ru

tk.cz

tk.kiev.ua

tk.sakura.ne.jp

tk.cl

tk.cx

tk.se

tk.mba

tk.dp.ua

tk.ddns.net

tk.hl.cn

tk.hu

tk.net.ua

tk.co.th

tk.ua

tk.msk.ru

tk.co.za

tk.dev

tk.to

tk.fo

tk.run

tk.on.ca

tk.fr

tk.tc

tk.org.tr

Similar names

kt.ru

kt.hu

kt.su

kt.be

kt.cz

kt.cern

kt.com

kt.idv.tw

kt.gov.lt

kt.fitness

kt.network

kt.net

kt.la

kt.ph

kt.sakura.ne.jp

kt.sale

kt.edu.vn

kt.fyi

kt.biz

kt.cc

kt.co.ke

kt.se

kt.is

kt.mn

kt.at

kt.ma

kt.co

kt.rs

kt.wtf

kt.io

kt.tv

kt.kiev.ua

kt.ah.cn

kt.no

kt.kz

kt.net.ru

kt.academy

kt.pe

kt.od.ua

kt.cn

kt.de

kt.lv

kt.vc

kt.co.kr

kt.baby

kt.kharkov.ua

kt.pl

kt.com.hk

kt.company

kt.gov.rs

kt.to

kt.com.tr

kt.com.ua

kt.lviv.ua

kt.com.au

kt.com.pl

kt.xj.cn

kt.market

kt.cl

kt.tel

kt.fo

kt.ac.kr

kt.dk

kt.co.th

kt.ee

kt.sk

kt.fi

kt.cd

kt.ua

kt.ca

kt.city

kt.twmail.net

kt.lt

kt.team

kt.kg

kt.am

DNS History

14 records (6 active, 8 former)

●NSns1.messagingengine.com2015-08-25 → 2026-08-14 · 3 obs

○ 2008-11-25 05:05:20
● 2015-08-25 07:37:06
● 2026-08-14 18:50:16

○NSns1.variomedia.de2008-11-25 → 2008-11-25 · 3 obs

● 2008-11-25 05:05:20
○ 2015-08-25 07:37:06
○ 2026-08-14 18:50:16

●NSns2.messagingengine.com2015-08-25 → 2026-08-14 · 3 obs

○ 2008-11-25 05:05:20
● 2015-08-25 07:37:06
● 2026-08-14 18:50:16

○NSns2.variomedia.de2008-11-25 → 2008-11-25 · 3 obs

● 2008-11-25 05:05:20
○ 2015-08-25 07:37:06
○ 2026-08-14 18:50:16

○MXin1-smtp.messagingengine.com2015-08-25 → 2021-10-07 · 5 obs

○ 2008-11-25 05:05:20
● 2015-08-25 07:37:06
● 2021-10-07 22:13:28
○ 2026-07-14 04:09:18
○ 2026-08-14 18:50:16

○MXin2-smtp.messagingengine.com2015-08-25 → 2021-10-07 · 5 obs

○ 2008-11-25 05:05:20
● 2015-08-25 07:37:06
● 2021-10-07 22:13:28
○ 2026-07-14 04:09:18
○ 2026-08-14 18:50:16

○MXmail.variomedia.de2008-11-25 → 2008-11-25 · 3 obs

● 2008-11-25 05:05:20
○ 2015-08-25 07:37:06
○ 2026-08-14 18:50:16

●MXus1-smtp.messagingengine.com2026-07-14 → 2026-08-14 · 3 obs

○ 2021-10-07 22:13:28
● 2026-07-14 04:09:18
● 2026-08-14 18:50:16

●MXus2-smtp.messagingengine.com2026-07-14 → 2026-08-14 · 3 obs

○ 2021-10-07 22:13:28
● 2026-07-14 04:09:18
● 2026-08-14 18:50:16

●A103.168.172.372026-02-16 → 2026-08-14 · 3 obs

○ 2021-10-07 22:13:28
● 2026-02-16 14:40:34
● 2026-08-14 18:50:16

●A103.168.172.522026-02-16 → 2026-08-14 · 3 obs

○ 2021-10-07 22:13:28
● 2026-02-16 14:40:34
● 2026-08-14 18:50:16

○A66.111.4.532015-08-25 → 2021-10-07 · 5 obs

○ 2008-11-25 05:05:20
● 2015-08-25 07:37:06
● 2021-10-07 22:13:28
○ 2026-02-16 14:40:34
○ 2026-08-14 18:50:16

○A66.111.4.542015-08-25 → 2021-10-07 · 5 obs

○ 2008-11-25 05:05:20
● 2015-08-25 07:37:06
● 2021-10-07 22:13:28
○ 2026-02-16 14:40:34
○ 2026-08-14 18:50:16

○A81.28.232.702008-11-25 → 2008-11-25 · 3 obs

● 2008-11-25 05:05:20
○ 2015-08-25 07:37:06
○ 2026-08-14 18:50:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cx	ns1.anycastdns.cz, ns2.anycastdns.cz, ns.anycast.nic.cx	5 records
tk.cx	ns1.messagingengine.com, ns2.messagingengine.com	-

✅ Authoritative Response

Server:162.159.24.178

NS records: ns1.messagingengine.com, ns2.messagingengine.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tk.cx (unsigned zone)

⏱️ Timing

Total: 644ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`103.168.172.37, 103.168.172.52`
NS	2	`ns1.messagingengine.com, ns2.messagingengine.com`
MX	2	`us1-smtp.messagingengine.com (pri: 10), us2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
SOA	1	`ns1.messagingengine.com postmaster.messa`

📌 Glue Records Collected

Total: 5

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

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

Analysis

Hierarchy

*.tk.cx, com.tk.cx and www.tk.cx are all subdomains of tk.cx.

IP Addresses

tk.cx points to the IP addresses 103.168.172.37 and 103.168.172.52

Additional host names — leonard.email, www.hollowtree.ie, freeredirect.fastmail.co.uk and two others — share IP numbers with tk.cx.

Name Servers

tk.cx has two authoritative name servers — ns1.messagingengine.com and ns2.messagingengine.com.

tk.cx shares its name server setup with other domains, including circuittechniques.com, ashtecconsulting.com, textmapping.com and two others.

The name servers for tk.cx overlap at least in part with those of other domains, including jigsawjuniors.co.uk and jumpnplay.com.au.

These name servers commonly appear alongside the name servers ns1.bouncycastlenetwork.co.uk and ns2.bouncycastlenetwork.co.uk.

Both ns1.messagingengine.com and ns2.messagingengine.com have a single IP address each — ns1.messagingengine.com resolves to 162.159.24.178 while ns2.messagingengine.com resolves to 162.159.25.191.

Mail Servers

tk.cx has two mail servers: us1-smtp.messagingengine.com and us2-smtp.messagingengine.com.

tk.cx shares the same mail server setup as other domains, including sponheim.org, xl-iq.com, x2a.ch and two others.

Host names with 8 IP numbers:

us1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Host names resolving to four IP addresses:

us2-smtp.messagingengine.com resolves to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.