`tcsl.com.hk`

DNSSEC	⚠️ Not signed
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`tcsl-com-hk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`mscid=FMZPkybpoBCgzDoVLBGobJ/1evtMUDOQ5vY8ui3bRZur4LlZTvbqyG21Ajbl2J0g/3Jma1D...`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

`com.hk`

	DNSSEC	⚠️ Not signed
	NS	`ns3.hkirc.net.hk` ⭐
	NS	`c.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`d.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`m.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`t.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`u.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`v.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`x.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`y.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`z.hkirc.net.hk` ⚠️ Not in parent delegation
	SOA	`ns3.hkirc.net.hk`hostmaster@hkirc.net.hk serial=2073567983

WOT: SAFE (76/100)

Same first word

tcsl.com.hk

tcsl.com.cn

tcsl.com

tcsl.eu

tcsl.com.pk

tcsl.com.br

tcsl.fr

tcsl.eu.com

tcsl.co.uk

tcsl.es

tcsl.net

tcsl.org

tcsl.it

tcsl.mx

tcsl.de

tcsl.ie

tcsl.ca

tcsl.ru

tcsl.in

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lcts.net

tlcs.ca

tscl.us

lcts.be

cstl.ru

lstc.eu

tlcs.us

ctls.com.my

tlcs.org.cn

ctsl.com

tlcs.org.uk

cstl.com.cn

ctls.net

clst.de

lstc.info

ltsc.de

lsct.cc

slct.us

cstl.cn

clst.org

ltsc.co.uk

cstl.dev

slct.it

ltsc.lt

stcl.fr

lcts.fr

cstl.de

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tcls.org.au

tlcs.it

tcls.net

sltc.de

lstc.lt

tlsc.biz

tlsc.myshopify.com

lcts.de

lstc.org

sctl.cn

sltc.sa

sltc.co.uk

sclt.ru

ltsc.eu

clts.org

cstl.fr

tscl.cn

sltc.ph

sltc.lk

sltc.com.cn

sclt.org

ctsl.de

tlcs.pro

ltsc.biz

clst.edu.hk

ltsc.ca

tcls.com.sg

tlcs.nl

tlsc.com.au

clst.info

sctl.fr

cstl.co

stcl.biz

sclt.de

tlsc.ca

tlsc.net

sltc.ir

clst.ac.vn

lstc.de

ctls.eu

cslt.qc.ca

tscl.com.cn

sltc.co

sltc.net

tlcs.net

slct.com.cn

tlcs.jp

slct.co.jp

lcts.cn

lsct.com.my

ctls.com.au

cslt.ru

tlsc.vic.edu.au

sctl.com.cn

ltcs.cn

sltc.ro

tscl.de

sltc.us

tcls.org

tscl.org.tw

sctl.in

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tscl.ch

DNS History

12 records (5 active, 7 former)

●NSns1.bdm.microsoftonline.com2026-06-19 → 2026-07-13 · 3 obs

○ 2017-10-10 00:03:32
● 2026-06-19 20:11:50
● 2026-07-13 15:25:46

○NSns1.dnhost.hk2015-05-14 → 2017-10-10 · 6 obs

● 2015-05-14 06:07:02
● 2016-04-05 21:15:42
○ 2016-09-22 18:25:18
● 2017-10-10 00:03:32
○ 2026-06-19 20:11:50
○ 2026-07-13 15:25:46

○NSns1.tcsl.com.hk2016-09-22 → 2016-09-22 · 4 obs

○ 2016-04-05 21:15:42
● 2016-09-22 18:25:18
○ 2017-10-10 00:03:32
○ 2026-07-13 15:25:46

●NSns2.bdm.microsoftonline.com2026-06-19 → 2026-07-13 · 3 obs

○ 2017-10-10 00:03:32
● 2026-06-19 20:11:50
● 2026-07-13 15:25:46

○NSns2.dnhost.hk2015-05-14 → 2017-10-10 · 6 obs

● 2015-05-14 06:07:02
● 2016-04-05 21:15:42
○ 2016-09-22 18:25:18
● 2017-10-10 00:03:32
○ 2026-06-19 20:11:50
○ 2026-07-13 15:25:46

○NSns2.tcsl.com.hk2015-05-14 → 2016-09-22 · 4 obs

● 2015-05-14 06:07:02
● 2016-09-22 18:25:18
○ 2017-10-10 00:03:32
○ 2026-07-13 15:25:46

●NSns3.bdm.microsoftonline.com2026-06-19 → 2026-07-13 · 3 obs

○ 2017-10-10 00:03:32
● 2026-06-19 20:11:50
● 2026-07-13 15:25:46

●NSns4.bdm.microsoftonline.com2026-06-19 → 2026-07-13 · 3 obs

○ 2017-10-10 00:03:32
● 2026-06-19 20:11:50
● 2026-07-13 15:25:46

○MXmail.tcsl.com.hk2015-05-14 → 2017-10-10 · 4 obs

● 2015-05-14 06:07:02
● 2017-10-10 00:03:32
○ 2026-06-19 20:11:50
○ 2026-07-13 15:25:46

●MXtcsl-com-hk.mail.protection.outlook.com2026-06-19 → 2026-07-13 · 3 obs

○ 2017-10-10 00:03:32
● 2026-06-19 20:11:50
● 2026-07-13 15:25:46

○A203.80.251.1982015-05-14 → 2016-09-22 · 4 obs

● 2015-05-14 06:07:02
● 2016-09-22 18:25:18
○ 2017-10-10 00:03:32
○ 2026-07-13 15:25:46

○A218.255.101.512017-10-10 → 2017-10-10 · 4 obs

○ 2016-09-22 18:25:18
● 2017-10-10 00:03:32
○ 2026-06-19 20:11:50
○ 2026-07-13 15:25:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
hk	d.hkirc.net.hk, t.hkirc.net.hk, y.hkirc.net.hk, v.hkirc.net.hk...	-
tcsl.com.hk	ns3.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	-

✅ Authoritative Response

Server:204.14.183.208

NS records: ns3.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcsl.com.hk (unsigned zone)

⏱️ Timing

Total: 1027ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`tcsl-com-hk.mail.protection.outlook.com`
TXT	2	`mscid=FMZPkybpoBCgzDoVLBGobJ/1evtMUDOQ5v, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

Analysis

Name Servers

The NS records for tcsl.com.hk point to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

tcsl.com.hk shares at least some of its name servers with other domains, including ccman.co.uk, can-makeit.com, cefiros.net and two others.

Mail Servers

The sole mail server for tcsl.com.hk is tcsl-com-hk.mail.protection.outlook.com.

With 6 IP addresses total, tcsl-com-hk.mail.protection.outlook.com resolves to 52.101.124.117, 52.101.137.0, 52.101.157.80 and 3 others.

tcsl.com.hk - robtex.com

tcsl.com.hk

com.hk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

Mail Servers

`tcsl.com.hk`

`com.hk`