libwork.co.jp - robtex.com

libwork.co.jp

DNSSEC⚠️ Not signed
A157.7.44.233🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRusers267.vip.heteml.jp
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXlibwork-co-jp.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::2🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00302.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os9p286cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc1f::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01201.inbound.protection.outlook.com
A52.101.124.0🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A52.101.124.1🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A52.101.157.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01203.inbound.protection.outlook.com
A52.101.157.40🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os9p286cu00100.inbound.protection.outlook.com
TXTgoogle-site-verification=FkG3s5V11b5Suaofuq6Js3OWSczVvO-Q-hNnVwsyZUs
TXTv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCZ6KUOzBkx92B3wN6GAm2...
TXTv=spf1 include:22038153.spf06.hubspotemail.net include:spf.protection.outlook...
SOA01.dnsv.jphostmaster@dnsv.jp serial=1771208829

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
rank #721582 globally
rank #13042 in the tld
WOT: SAFE (58/100)

Same first word

libwork.co.jp
libwork.com

Similar names

worklib.io
worklib.com
worklib.ru

DNS History

11 records (6 active, 5 former)

20192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comMXlibwork-co-jp.mail.protection.outlook.comA157.7.44.233153.122.139.26
●NS01.dnsv.jp2026-03-19 → 2026-03-26 · 3 obs
○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-03-26 23:30:46
●NS02.dnsv.jp2026-03-19 → 2026-03-26 · 3 obs
○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-03-26 23:30:46
●NS03.dnsv.jp2026-03-19 → 2026-03-26 · 3 obs
○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-03-26 23:30:46
●NS04.dnsv.jp2026-03-19 → 2026-03-26 · 3 obs
○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-03-26 23:30:46
○NSns1.bdm.microsoftonline.com2018-05-16 → 2018-05-16 · 3 obs
● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-03-26 23:30:46
○NSns2.bdm.microsoftonline.com2018-05-16 → 2018-05-16 · 3 obs
● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-03-26 23:30:46
○NSns3.bdm.microsoftonline.com2018-05-16 → 2018-05-16 · 3 obs
● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-03-26 23:30:46
○NSns4.bdm.microsoftonline.com2018-05-16 → 2018-05-16 · 3 obs
● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-03-26 23:30:46
●MXlibwork-co-jp.mail.protection.outlook.com2018-05-16 → 2026-03-26 · 2 obs
● 2018-05-16 22:25:22
● 2026-03-26 23:30:46
○A153.122.139.262018-05-16 → 2018-05-16 · 3 obs
● 2018-05-16 22:25:22
○ 2026-03-19 06:38:36
○ 2026-03-26 23:30:46
●A157.7.44.2332026-03-19 → 2026-03-26 · 3 obs
○ 2018-05-16 22:25:22
● 2026-03-19 06:38:36
● 2026-03-26 23:30:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
libwork.co.jp04.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.33.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 934ms | Queries: -

📄 Records

TypeCountSample Data
A1157.7.44.233
NS401.dnsv.jp, 02.dnsv.jp...
MX1libwork-co-jp.mail.protection.outlook.co
TXT3google-site-verification=FkG3s5V11b5Suao, v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQ...
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp...)

Analysis

IP Addresses

libwork.co.jp resolves to one IP number: 157.7.44.233.

Other host names, for instance nasic.jp, lipselect.com, fm-v.net, 3dmj.info and soumu8.co.jp share IP numbers with libwork.co.jp.

Name Servers

libwork.co.jp delegates to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

libwork.co.jp at least partially shares name servers with other domains, including nalucraft.com, linkuru.net, kiso.or.jp, 89center.net and zattana.net.

Host names with two IPs:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53

Host names with one IP:

02.dnsv.jp points to 157.7.33.53

Mail Servers

A single mail server handles libwork.co.jp, libwork-co-jp.mail.protection.outlook.com.

Host libwork-co-jp.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::, 2a01:111:f403:cc1f::1, 52.101.124.0, 52.101.124.1, 52.101.157.11 and 52.101.157.40.