qlc-system.co.jp - robtex.com
qlc-system.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.120.153.198🇯🇵 SAKURA-A153.120.128.0/18 (3/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | 198.153.120.153.static.www8470m.sakura.ne.jp | ||||||
| NS | ns1.do-reg.jp ⭐ | ||||||
| A | 203.183.220.201🇯🇵 IDC203.183.192.0/18 Frontier Inc. | ||||||
| NS | ns2.do-reg.jp | ||||||
| A | 203.137.197.45🇯🇵 IDC203.137.192.0/18 Frontier Inc. | ||||||
| PTR | 203-137-197-45.monstera.jp-west.compute.idcfcloud.net | ||||||
| MX | mail.qlc-system.co.jp ⭐ | ||||||
| A | 153.121.77.31🇯🇵 SAKURA-B153.121.64.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www9257up.sakura.ne.jp | ||||||
| SOA | NS1.DO-REG.JProot@QLC-SYSTEM.CO.JP 2025-11-27 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
Same first word
qlc-system.co.jp |
DNS History
7 records (4 active, 3 former)
●MXmail.qlc-system.co.jp2015-05-27 → 2026-04-14 · 2 obs
● 2026-04-14 08:49:32
○A111.68.180.1472015-05-27 → 2015-05-27 · 3 obs
○ 2015-10-20 17:05:46
○ 2026-04-14 08:49:32
●A153.120.153.1982026-03-03 → 2026-04-14 · 3 obs
● 2026-03-03 14:31:30
● 2026-04-14 08:49:32
○A153.122.148.112020-03-01 → 2020-03-01 · 4 obs
● 2020-03-01 12:23:40
○ 2026-03-03 14:31:30
○ 2026-04-14 08:49:32
○A153.122.155.242015-10-20 → 2017-03-26 · 5 obs
● 2015-10-20 17:05:46
● 2017-03-26 05:17:44
○ 2020-03-01 12:23:40
○ 2026-04-14 08:49:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, f.dns.jp, b.dns.jp, h.dns.jp... | - |
| qlc-system.co.jp | ns2.do-reg.jp, ns1.do-reg.jp | 2 records |
✅ Authoritative Response
Server:203.183.220.201
NS records: ns2.do-reg.jp, ns1.do-reg.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qlc-system.co.jp (unsigned zone)
⏱️ Timing
Total: 540ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.120.153.198 |
| NS | 2 | NS2.DO-REG.JP, NS1.DO-REG.JP |
| MX | 1 | MAIL.QLC-SYSTEM.CO.JP (pri: 10) |
| SOA | 1 | NS1.DO-REG.JP root.QLC-SYSTEM.CO.JP |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.do-reg.jp, ns2.do-reg.jp)
Analysis
Hierarchy
qlc-system.co.jp is a parent of www.qlc-system.co.jp, mail.qlc-system.co.jp and care.qlc-system.co.jp.
IP Addresses
qlc-system.co.jp maps to IP address 153.120.153.198.
Other host names, for instance qlc-sys.jp, halsacommunity.com, www.lets-club.jp, hot-station.co.jp and qlc.co.jp share IP numbers with qlc-system.co.jp.
Name Servers
Two name servers ns1.do-reg.jp and ns2.do-reg.jp are delegated to qlc-system.co.jp.
qlc-system.co.jp uses the same name server configuration as other domains, such as fb-g.com, enotake.co.jp, nomino.co.jp, bcon.org and netten.jp.
qlc-system.co.jp shares some name servers with other domains, for example gfg.jp.
Host names with a single IP address:
ns1.do-reg.jp points to 203.183.220.201
ns2.do-reg.jp points to 203.137.197.45
Mail Servers
qlc-system.co.jp is handled by a single mail server, mail.qlc-system.co.jp.
mail.qlc-system.co.jp points to one IP number: 153.121.77.31.