tsklab.co.jp - dns.ninja

`tsklab.co.jp`

DNSSEC	⚠️ Not signed
A	153.123.7.136^{🇯🇵 AS131921153.123.6.0/23 GMO GlobalSign Holdings K.K.}
		PTR	`wps106.anshin-sv.jp`
NS	`ns-cloud-a1.googledomains.com` ⭐
		A	2001:4860:4802:32::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a1.googledomains.com`
		A	216.239.32.106^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-a1.googledomains.com`
NS	`ns-cloud-a2.googledomains.com`
		A	2001:4860:4802:34::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a2.googledomains.com`
		A	216.239.34.106^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-a2.googledomains.com`
NS	`ns-cloud-a3.googledomains.com`
		A	2001:4860:4802:36::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a3.googledomains.com`
		A	216.239.36.106^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-a3.googledomains.com`
NS	`ns-cloud-a4.googledomains.com`
		A	2001:4860:4802:38::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a4.googledomains.com`
		A	216.239.38.106^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-a4.googledomains.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-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	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=ggnExZ9JWo34xWubieHcdiaj9DK7xTYGkLEVIHZ_YkY`
TXT	`v=spf1 include:_spf.google.com include:spf.mta.hdems.com ~all`
TXT	`_globalsign-domain-verification=i-u6BmGXdVwncjfHUdcxtmUEpRhIezbDsCwGsTRL7-`
SOA	`ns-cloud-a1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Same first word

tsklab.ru

tsklab.co.jp

tsklab.com.cn

tsklab.com.br

tsklab.net

tsklab.nl

tsklab.com

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tklabs.com

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DNS History

16 records (10 active, 6 former)

○NSdns1.cc9.ne.jp2015-06-23 → 2020-04-12 · 4 obs

● 2015-06-23 07:07:34
● 2020-04-12 21:20:22
○ 2026-02-16 11:18:30
○ 2026-08-01 21:38:10

○NSdns2.cc9.ne.jp2015-06-23 → 2020-04-12 · 4 obs

● 2015-06-23 07:07:34
● 2020-04-12 21:20:22
○ 2026-02-16 11:18:30
○ 2026-08-01 21:38:10

●NSns-cloud-a1.googledomains.com2026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

●NSns-cloud-a2.googledomains.com2026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

●NSns-cloud-a3.googledomains.com2026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

●NSns-cloud-a4.googledomains.com2026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

●MXalt1.aspmx.l.google.com2026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

●MXalt2.aspmx.l.google.com2026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

●MXalt3.aspmx.l.google.com2026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

●MXalt4.aspmx.l.google.com2026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

●MXaspmx.l.google.com2026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

○MXmx.tsklab.co.jp2020-04-12 → 2020-04-12 · 4 obs

○ 2017-04-20 01:10:44
● 2020-04-12 21:20:22
○ 2026-02-16 11:18:30
○ 2026-08-01 21:38:10

○MXmx1.cc9.ne.jp2015-06-23 → 2017-04-20 · 4 obs

● 2015-06-23 07:07:34
● 2017-04-20 01:10:44
○ 2020-04-12 21:20:22
○ 2026-08-01 21:38:10

●A153.123.7.1362026-02-16 → 2026-08-01 · 3 obs

○ 2020-04-12 21:20:22
● 2026-02-16 11:18:30
● 2026-08-01 21:38:10

○A202.231.176.352015-06-23 → 2017-04-20 · 4 obs

● 2015-06-23 07:07:34
● 2017-04-20 01:10:44
○ 2020-04-12 21:20:22
○ 2026-08-01 21:38:10

○A211.13.196.1322020-04-12 → 2020-04-12 · 4 obs

○ 2017-04-20 01:10:44
● 2020-04-12 21:20:22
○ 2026-02-16 11:18:30
○ 2026-08-01 21:38:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	d.dns.jp, a.dns.jp, h.dns.jp, f.dns.jp...	-
tsklab.co.jp	ns-cloud-a1.googledomains.com, ns-cloud-a4.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a2.googledomains.com	-

✅ Authoritative Response

Server:216.239.34.106

NS records: ns-cloud-a1.googledomains.com, ns-cloud-a4.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a2.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tsklab.co.jp (unsigned zone)

⏱️ Timing

Total: 756ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.123.7.136`
NS	4	`ns-cloud-a1.googledomains.com, ns-cloud-a4.googledomains.com...`
MX	5	`alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`_globalsign-domain-verification=i-u6BmGX, v=spf1 include:_spf.google.com include:s...`
SOA	1	`ns-cloud-a1.googledomains.com cloud-dns-`

Analysis

IP Addresses

tsklab.co.jp points to a single IP number: 153.123.7.136.

Additional host names — jm-miura.com, sogo-ce.jp, imc-corp.biz and two others — share IP numbers with tsklab.co.jp.

Name Servers

tsklab.co.jp has four authoritative name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.

The name servers of tsklab.co.jp overlap at least partially with those of other domains — among them ascendtwo.com, laurea-group.com, lorenzobenazzo.com and two more.

Each of the four hosts ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com has two IP addresses. ns-cloud-a1.googledomains.com points to 216.239.32.106 and 2001:4860:4802:32::6a. ns-cloud-a2.googledomains.com points to 216.239.34.106 and 2001:4860:4802:34::6a. ns-cloud-a3.googledomains.com points to 216.239.36.106 and 2001:4860:4802:36::6a. ns-cloud-a4.googledomains.com points to 216.239.38.106 and 2001:4860:4802:38::6a.

Mail Servers

tsklab.co.jp has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

tsklab.co.jp shares mail servers — at least in part — with other domains, including common.dk, korea.edu.vn, ns500794.ns500794.ns500794.ns500794.ns500794.ns500794.ns500821.ns500795.ns500795.ns500790.ns500795.lustypartnersfinder.com and two others.

These mail servers are frequently used alongside mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com maps to two IP addresses — 142.250.31.27 and 2607:f8b0:4004:c1d::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

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

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.