optimatech.co.jp - robtex.com
optimatech.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.180.1🇯🇵 AS131921153.122.176.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | whp37.poa.svr4u.net | ||||||
| NS | ns1.domainking.cloud ⭐ | ||||||
| A | 157.120.112.237🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.237🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.237🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| NS | ns2.domainking.cloud | ||||||
| A | 157.120.112.237🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.237🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.237🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| MX | mail.optimatech.co.jp ⭐ | ||||||
| A | 153.122.180.1🇯🇵 AS131921153.122.176.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | whp37.poa.svr4u.net | ||||||
| SOA | ns1.domainking.cloudroot@domainking.cloud serial=2737867674 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
mail.optimatech.co.jp |
Same first word
optimatech.co.jp |
optimatech.io |
optimatech.se |
Similar names
DNS History
8 records (4 active, 4 former)
○NSappctl.atsrv.intra2015-06-06 → 2017-08-29 · 3 obs
● 2017-08-29 01:05:16
○ 2026-04-03 17:30:16
○NSns01.atsrv.jp2015-06-06 → 2017-08-29 · 3 obs
● 2017-08-29 01:05:16
○ 2026-04-03 17:30:16
○NSns02.atsrv.jp2015-06-06 → 2017-08-29 · 3 obs
● 2017-08-29 01:05:16
○ 2026-04-03 17:30:16
●NSns1.domainking.cloud2026-04-03 → 2026-04-03 · 2 obs
● 2026-04-03 17:30:16
●NSns2.domainking.cloud2026-04-03 → 2026-04-03 · 2 obs
● 2026-04-03 17:30:16
●MXmail.optimatech.co.jp2015-06-06 → 2026-04-03 · 2 obs
● 2026-04-03 17:30:16
●A153.122.180.12026-04-03 → 2026-04-03 · 2 obs
● 2026-04-03 17:30:16
○A203.104.101.1812015-06-06 → 2017-08-29 · 3 obs
● 2017-08-29 01:05:16
○ 2026-04-03 17:30:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| optimatech.co.jp | ns1.domainking.cloud, ns2.domainking.cloud | - |
✅ Authoritative Response
Server:157.120.114.237
NS records: ns1.domainking.cloud, ns2.domainking.cloud
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimatech.co.jp (unsigned zone)
⏱️ Timing
Total: 1291ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.180.1 |
| NS | 2 | ns1.domainking.cloud, ns2.domainking.cloud |
| MX | 1 | mail.optimatech.co.jp (pri: 10) |
| SOA | 1 | ns1.domainking.cloud root.domainking.clo |
Analysis
Hierarchy
optimatech.co.jp is the parent of mail.optimatech.co.jp.
IP Addresses
optimatech.co.jp resolves to a single IP: 153.122.180.1.
Other host names, for instance timeless.co.jp, ryupln.co.jp, mail.sekine-kensetsu.co.jp, mail.keihin-d.co.jp and mail.reeds.jp share IP numbers with optimatech.co.jp.
Name Servers
optimatech.co.jp has two name servers: ns1.domainking.cloud and ns2.domainking.cloud.
optimatech.co.jp shares the same name server setup as other domains, for example naokomatsuura.com, e-handsjp.com, flow-works.biz, dy-net.or.jp and optimacorp.co.jp.
optimatech.co.jp shares some name servers with other domains, for example fabrick.jp, fk-data.com, dyex.net, cruisecrier.com and pianister.com.
Host names with three IP numbers:
ns1.domainking.cloud and ns2.domainking.cloud point to: 157.120.112.237, 157.120.113.237 and 157.120.114.237.
Names pointing to 157.120.112.237: ns1.domainking.cloud and ns2.domainking.cloud.
Names pointing to 157.120.113.237: ns1.domainking.cloud and ns2.domainking.cloud.
Names pointing to 157.120.114.237: ns1.domainking.cloud and ns2.domainking.cloud.
Mail Servers
optimatech.co.jp is handled by a single mail server, mail.optimatech.co.jp.
Host name mail.optimatech.co.jp points to IP 153.122.180.1.