qtron.jp - robtex.com
qtron.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 27.133.145.140🇯🇵 SAKURA-B27.133.128.0/19 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | mx49.all-internet.jp | ||||||
| NS | ns01.ai-hosting.net ⭐ | ||||||
| A | 27.133.145.163🇯🇵 SAKURA-B27.133.128.0/19 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| NS | ns02.ai-hosting.net | ||||||
| A | 210.152.240.44🇯🇵 IDC210.152.240.0/21 Frontier Inc. | ||||||
| PTR | 210-152-240-44.augusta.jp-west.compute.idcfcloud.net | ||||||
| MX | www451b.sakura.ne.jp ⭐ | ||||||
| A | 2403:3a00:106:4:219:94:155:241🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www451b.sakura.ne.jp | ||||||
| A | 219.94.155.241🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www451b.sakura.ne.jp | ||||||
| TXT | v=spf1 ip4:219.94.155.241 include:spf.all-internet.jp ~all | ||||||
| SOA | ns01.ai-hosting.nettsg@stagegroup.jp 2019-02-26 #2 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1774508402 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns01.ai-hosting.net2015-09-04 → 2026-03-26 · 2 obs
● 2026-03-26 07:12:58
●NSns02.ai-hosting.net2015-09-04 → 2026-03-26 · 2 obs
● 2026-03-26 07:12:58
●MXwww451b.sakura.ne.jp2015-09-04 → 2026-03-26 · 2 obs
● 2026-03-26 07:12:58
○A210.129.213.492015-09-04 → 2017-04-07 · 4 obs
● 2017-04-07 19:59:00
○ 2026-03-12 22:02:18
○ 2026-03-26 07:12:58
●A27.133.145.1402026-03-12 → 2026-03-26 · 3 obs
● 2026-03-12 22:02:18
● 2026-03-26 07:12:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| qtron.jp | ns01.ai-hosting.net, ns02.ai-hosting.net | - |
✅ Authoritative Response
Server:27.133.145.163
NS records: ns01.ai-hosting.net, ns02.ai-hosting.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qtron.jp (unsigned zone)
⏱️ Timing
Total: 1365ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 27.133.145.140 |
| NS | 2 | ns01.ai-hosting.net, ns02.ai-hosting.net |
| MX | 1 | www451b.sakura.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:219.94.155.241 include:spf.al |
| SOA | 1 | ns01.ai-hosting.net tsg.stagegroup.jp |
Analysis
IP Addresses
qtron.jp resolves to one IP number: 27.133.145.140.
Other host names, for instance mx49.all-internet.jp, apolotec.net, mailserv01.benten-do.co.jp, sun-gift.co.jp and hamadashouji.co.jp share IP numbers with qtron.jp.
Name Servers
qtron.jp's delegation uses two name servers: ns01.ai-hosting.net and ns02.ai-hosting.net.
qtron.jp uses the same name server setup as other domains, such as juui-sumai.com, ticgroup.jp, mita-kirin.co.jp, keihin-tec.co.jp and ooike.com.
Host names with a single IP address: ns01.ai-hosting.net points to 27.133.145.163; ns02.ai-hosting.net points to 210.152.240.44.
Mail Servers
A single mail server handles qtron.jp, www451b.sakura.ne.jp.
qtron.jp shares the same mail server setup as other domains, for example www451b.sakura.ne.jp.
The host name www451b.sakura.ne.jp resolves to two IP numbers: 2403:3a00:106:4:219:94:155:241 and 219.94.155.241.