kcworks.jp - robtex.com

kcworks.jp

DNSSEC⚠️ Not signed
A216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXmail.kcworks.jp ⭐
A49.212.230.70🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmail.kcworks.jp
TXTgoogle-site-verification=O6gu7CqV-vaUxB4D8VcLHpv-MMZduwA4PYEudo_QZj0
TXTv=spf1 ip4:49.212.230.70 -all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-12-31 #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=1777024803

Previously NS for

kcworks.jp

Subdomains

mail.kcworks.jp

Same first word

kcworks.jp

Similar names

kwrocks.net
ckworks.jp
ckworks.de
ckworks.net

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpdns01.muumuu-domain.comdns02.muumuu-domain.comkcworks.jpMXmail.kcworks.jpmx01.lolipop.jpA216.198.79.1216.185.152.144
○NSdns01.muumuu-domain.com2015-08-16 → 2015-08-16 · 3 obs
● 2015-08-16 07:32:04
○ 2015-12-05 10:06:26
○ 2026-04-24 10:29:30
○NSdns02.muumuu-domain.com2015-08-16 → 2015-08-16 · 3 obs
● 2015-08-16 07:32:04
○ 2015-12-05 10:06:26
○ 2026-04-24 10:29:30
○NSkcworks.jp2015-08-16 → 2015-08-16 · 3 obs
● 2015-08-16 07:32:04
○ 2015-12-05 10:06:26
○ 2026-04-24 10:29:30
●NSmaster.dns.ne.jp2026-03-01 → 2026-04-24 · 3 obs
○ 2015-12-05 10:06:26
● 2026-03-01 08:32:26
● 2026-04-24 10:29:30
●NSns1.dns.ne.jp2026-03-01 → 2026-04-24 · 3 obs
○ 2015-12-05 10:06:26
● 2026-03-01 08:32:26
● 2026-04-24 10:29:30
●NSns2.dns.ne.jp2026-03-01 → 2026-04-24 · 3 obs
○ 2015-12-05 10:06:26
● 2026-03-01 08:32:26
● 2026-04-24 10:29:30
●MXmail.kcworks.jp2026-03-01 → 2026-04-24 · 3 obs
○ 2015-12-05 10:06:26
● 2026-03-01 08:32:26
● 2026-04-24 10:29:30
○MXmx01.lolipop.jp2015-08-16 → 2015-08-16 · 3 obs
● 2015-08-16 07:32:04
○ 2015-12-05 10:06:26
○ 2026-04-24 10:29:30
○A216.185.152.1442015-08-16 → 2015-08-16 · 3 obs
● 2015-08-16 07:32:04
○ 2015-12-05 10:06:26
○ 2026-04-24 10:29:30
●A216.198.79.12026-03-01 → 2026-04-24 · 3 obs
○ 2015-12-05 10:06:26
● 2026-03-01 08:32:26
● 2026-04-24 10:29:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, d.dns.jp, h.dns.jp, f.dns.jp...-
kcworks.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:133.167.21.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kcworks.jp (unsigned zone)

⏱️ Timing

Total: 883ms | Queries: -

📄 Records

TypeCountSample Data
A1216.198.79.1
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1mail.kcworks.jp (pri: 10)
TXT2v=spf1 ip4:49.212.230.70 -all, google-site-verification=O6gu7CqV-vaUxB4
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

Hierarchy

kcworks.jp is the parent of mail.kcworks.jp.

IP Addresses

kcworks.jp points to a single IP number: 216.198.79.1.

other host names for instance b-web.ch, massazh.me, real-face.com, j4cks.com and shashankmestry.com share IP numbers with kcworks.jp.

Name Servers

kcworks.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

kcworks.jp at least partially shares name servers with other domains, for instance tncc.jp, shinjyou-hills.jp, kk-mgs.com, npo-gc.jpn.org and takahara-auto.jp.

Host names with one IP number:

master.dns.ne.jp points to 210.224.172.18.

ns1.dns.ne.jp points to 61.211.236.1.

ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

kcworks.jp is handled by a single mail server, mail.kcworks.jp.

Host name mail.kcworks.jp points to IP address 49.212.230.70.