z-works.jp - robtex.com

z-works.jp

DNSSEC⚠️ Not signed
A183.90.183.162🇯🇵 DRNET183.90.176.0/21
PTRtky012.cbsv.jp
NSa.misconfigured.dns.server.invalid ⭐
NSns1.cbsv.jp
A172.64.52.149🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.199🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.cbsv.jp
A172.64.53.51🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.143🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXz-works.jp ⭐
A183.90.183.162🇯🇵 DRNET183.90.176.0/21
PTRtky012.cbsv.jp
TXTv=spf1 ip4:183.90.183.162 include:_spf.cbsv.jp ~all
TXTgoogle-site-verification=A2U9yUOFMYFa-3BEc64Dbj4uYq9rF2zusVgo3_OAa_Q
SOAa.misconfigured.dns.server.invalidhostmaster@z-works.jp 2025-12-24 #1

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1777671003
rank #724224 globally
rank #13841 in the tld

MX for

z-works.jp

Subdomains

ns.z-works.jp

Same first word

z-works.io
z-works.jp
z-works.de
z-works.at

Similar names

work-sz.com

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSa.misconfigured.dns.server.invalidns1.cbsv.jpns2.cbsv.jpgdns1.interlink.or.jpgdns2.interlink.or.jpMXz-works.jpaspspam.z-works.jpA183.90.183.162
●NSa.misconfigured.dns.server.invalid2026-03-10 → 2026-05-01 · 3 obs
○ 2018-08-20 14:22:44
● 2026-03-10 03:17:38
● 2026-05-01 21:45:04
○NSgdns1.interlink.or.jp2015-08-15 → 2018-08-20 · 4 obs
● 2015-08-15 13:15:52
● 2018-08-20 14:22:44
○ 2026-03-10 03:17:38
○ 2026-05-01 21:45:04
○NSgdns2.interlink.or.jp2015-08-15 → 2018-08-20 · 4 obs
● 2015-08-15 13:15:52
● 2018-08-20 14:22:44
○ 2026-03-10 03:17:38
○ 2026-05-01 21:45:04
●NSns1.cbsv.jp2026-03-10 → 2026-05-01 · 3 obs
○ 2018-08-20 14:22:44
● 2026-03-10 03:17:38
● 2026-05-01 21:45:04
●NSns2.cbsv.jp2026-03-10 → 2026-05-01 · 3 obs
○ 2018-08-20 14:22:44
● 2026-03-10 03:17:38
● 2026-05-01 21:45:04
○MXaspspam.z-works.jp2015-08-15 → 2018-08-20 · 4 obs
● 2015-08-15 13:15:52
● 2018-08-20 14:22:44
○ 2026-03-10 03:17:38
○ 2026-05-01 21:45:04
●MXz-works.jp2026-03-10 → 2026-05-01 · 3 obs
○ 2018-08-20 14:22:44
● 2026-03-10 03:17:38
● 2026-05-01 21:45:04
●A183.90.183.1622026-03-10 → 2026-05-01 · 2 obs
● 2026-03-10 03:17:38
● 2026-05-01 21:45:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
z-works.jpns1.cbsv.jp, ns2.cbsv.jp-

✅ Authoritative Response

Server:172.64.52.199

NS records: ns1.cbsv.jp, ns2.cbsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for z-works.jp (unsigned zone)

⏱️ Timing

Total: 897ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.183.162
NS2ns1.cbsv.jp, ns2.cbsv.jp
MX1z-works.jp (pri: 10)
TXT2v=spf1 ip4:183.90.183.162 include:_spf.c, google-site-verification=A2U9yUOFMYFa-3B
SOA1a.misconfigured.dns.server.invalid hostm

Analysis

Hierarchy

z-works.jp is a parent of ns.z-works.jp.

Mail Server Role

z-works.jp serves as the mail server for z-works.jp.

IP Addresses

z-works.jp points to a single IP number: 183.90.183.162.

Other host names, for instance www.kr753.com, ns.saiyaku.co.jp, sfhana.jp, shihara.net and 2will.net share IP numbers with z-works.jp.

Name Servers

The delegation for z-works.jp is handled by three name servers: ns1.cbsv.jp, ns2.cbsv.jp and a.misconfigured.dns.server.invalid.

z-works.jp at least partially shares name servers with other domains, for instance vela-moda.ru, krugfoto.ru, biziloc.com, honeys-pot.com and lt-e.ru.

These name servers are commonly used alongside ns1.domeeninimi.ee, ns2.domeeninimi.ee, ns1.vigbo.site and ns2.vigbo.site.

Host names with two IP numbers: ns1.cbsv.jp points to 172.64.52.149 and 172.64.52.199; ns2.cbsv.jp points to 172.64.53.51 and 172.64.53.143.

Mail Servers

A single mail server handles z-works.jp.

z-works.jp points to a single IP: 183.90.183.162.