ktech-co.jp - robtex.com
ktech-co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 27.133.145.155🇯🇵 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 | mx50.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 | mail.ktech-co.jp ⭐ | ||||||
| A | 27.133.145.155🇯🇵 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 | mx50.all-internet.jp | ||||||
| TXT | v=spf1 include:spf.all-internet.jp ~all | ||||||
| SOA | ns01.ai-hosting.netnic@all-internet.jp 2020-12-04 #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=1777017603 | ||||||
Subdomains
mail.ktech-co.jp |
Same first word
ktech-co.jp |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns01.ai-hosting.net2015-07-13 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:46
●NSns02.ai-hosting.net2015-07-13 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:46
●MXmail.ktech-co.jp2015-07-13 → 2026-04-24 · 2 obs
● 2026-04-24 08:17:46
○A124.109.144.1482015-07-13 → 2016-12-23 · 4 obs
● 2016-12-23 06:20:44
○ 2017-12-19 23:36:58
○ 2026-04-24 08:17:46
○A210.129.213.1882017-12-19 → 2017-12-19 · 4 obs
● 2017-12-19 23:36:58
○ 2026-03-18 00:24:00
○ 2026-04-24 08:17:46
●A27.133.145.1552026-03-18 → 2026-04-24 · 3 obs
● 2026-03-18 00:24:00
● 2026-04-24 08:17:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| ktech-co.jp | ns01.ai-hosting.net, ns02.ai-hosting.net | - |
✅ Authoritative Response
Server:210.152.240.44
NS records: ns01.ai-hosting.net, ns02.ai-hosting.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ktech-co.jp (unsigned zone)
⏱️ Timing
Total: 1668ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 27.133.145.155 |
| NS | 2 | ns01.ai-hosting.net, ns02.ai-hosting.net |
| MX | 1 | mail.ktech-co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf.all-internet.jp ~all |
| SOA | 1 | ns01.ai-hosting.net nic.all-internet.jp |
Analysis
Hierarchy
mail.ktech-co.jp has ktech-co.jp as its parent.
IP Addresses
ktech-co.jp maps to IP address 27.133.145.155.
Other host names, for instance mailserv01.plc-real.com, earthway.co.jp, mail.k-and-e29.com, mailserv01.asahi-wing.com and japca.or.jp share IP numbers with ktech-co.jp.
Name Servers
Two name servers ns01.ai-hosting.net and ns02.ai-hosting.net are delegated to ktech-co.jp.
ktech-co.jp uses the same name server configuration as other domains, such as japca.or.jp, reminn.net, okuribito-music.com, shimada-shoten.co.jp and suzurangakuen.ed.jp.
ktech-co.jp at least partially shares name servers with other domains such as goto-ss.co.jp, hama-paint.com, cersi.jp, salonderuri.com and factor-inc.net.
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
ktech-co.jp is handled by a single mail server, mail.ktech-co.jp.
mail.ktech-co.jp points to one IP number: 27.133.145.155.