libwork.co.jp - dns.ninja

`libwork.co.jp`

DNSSEC	⚠️ Not signed
A	157.7.44.233^{🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`users267.vip.heteml.jp`
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`libwork-co-jp.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::2^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::3^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
		A	52.101.124.1^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os0p286cu01203.inbound.protection.outlook.com`
		A	52.101.157.40^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
TXT	`google-gws-recovery-domain-verification=72397825`
TXT	`google-site-verification=FkG3s5V11b5Suaofuq6Js3OWSczVvO-Q-hNnVwsyZUs`
TXT	`google-site-verification=HTyzDWyDVhlwgxTl6NxKsVfVos_90gtBl3ektKJl5hY`
TXT	`v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCZ6KUOzBkx92B3wN6GAm2...`
TXT	`v=spf1 include:22038153.spf06.hubspotemail.net include:spf.protection.outlook...`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1783599576

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

rank #613994 globally
rank #12423 in the tld
WOT: SAFE (58/100)

Same first word

libwork.co.jp

libwork.com

Similar names

worklib.io

worklib.com

worklib.app

worklib.ru

DNS History

11 records (6 active, 5 former)

●NS01.dnsv.jp2026-03-19 → 2026-08-04 · 3 obs

○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-08-04 17:07:48

●NS02.dnsv.jp2026-03-19 → 2026-08-04 · 3 obs

○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-08-04 17:07:48

●NS03.dnsv.jp2026-03-19 → 2026-08-04 · 3 obs

○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-08-04 17:07:48

●NS04.dnsv.jp2026-03-19 → 2026-08-04 · 3 obs

○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-08-04 17:07:48

○NSns1.bdm.microsoftonline.com2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-08-04 17:07:48

○NSns2.bdm.microsoftonline.com2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-08-04 17:07:48

○NSns3.bdm.microsoftonline.com2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-08-04 17:07:48

○NSns4.bdm.microsoftonline.com2018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-08-04 17:07:48

●MXlibwork-co-jp.mail.protection.outlook.com2018-05-16 → 2026-08-04 · 2 obs

● 2018-05-16 22:25:22
● 2026-08-04 17:07:48

○A153.122.139.262018-05-16 → 2018-05-16 · 3 obs

● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-08-04 17:07:48

●A157.7.44.2332026-03-19 → 2026-08-04 · 3 obs

○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-08-04 17:07:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
libwork.co.jp	02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp	7 records

✅ Authoritative Response

Server:157.7.33.53

NS records: 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 789ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.7.44.233`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`libwork-co-jp.mail.protection.outlook.co`
TXT	5	`google-gws-recovery-domain-verification=, google-site-verification=FkG3s5V11b5Suao...`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)

Analysis

IP Addresses

libwork.co.jp points to a single IP number: 157.7.44.233.

Additional host names — nasic.jp, lipselect.com, fm-v.net and two others — share IP numbers with libwork.co.jp.

Name Servers

libwork.co.jp has four authoritative name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

libwork.co.jp has at least partial name server overlap with other domains, such as nalucraft.com, haka.co.jp, kiso.or.jp and two others.

Host names with two IP numbers:

01.dnsv.jp has two IP addresses: 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp has two IP addresses: 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp has two IP addresses: 157.7.35.53 and 2400:8500:3fff::53.

Host names pointing to a single IP address:

02.dnsv.jp directs to 157.7.33.53.

Mail Servers

libwork.co.jp has one mail server: libwork-co-jp.mail.protection.outlook.com.

libwork-co-jp.mail.protection.outlook.com points to 8 IP numbers: 52.101.124.1, 52.101.157.10, 52.101.157.11 and 5 other.