opt-isikawa.com - robtex.com
opt-isikawa.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.45🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | ns1.shsvr.net ⭐ | ||||||
| A | 157.120.112.232🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.232🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.232🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| NS | ns2.shsvr.net | ||||||
| A | 157.120.112.232🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.232🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.232🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| MX | mx.opt-isikawa.com ⭐ | ||||||
| A | 153.122.206.94🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net ~all | ||||||
| SOA | ns1.shsvr.netroot@shsvr.net serial=2698677959 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778793506 | ||||||
Subdomains
mx.opt-isikawa.com |
Same first word
opt-isikawa.com |
DNS History
10 records (4 active, 6 former)
○NSdns01.win-sv.com2015-06-30 → 2016-03-10 · 4 obs
● 2016-03-10 15:32:34
○ 2017-04-02 22:40:08
○ 2026-05-14 21:33:56
○NSdns02.win-sv.com2015-06-30 → 2016-03-10 · 4 obs
● 2016-03-10 15:32:34
○ 2017-04-02 22:40:08
○ 2026-05-14 21:33:56
●NSns1.shsvr.net2017-04-02 → 2026-05-14 · 3 obs
● 2017-04-02 22:40:08
● 2026-05-14 21:33:56
●NSns2.shsvr.net2017-04-02 → 2026-05-14 · 3 obs
● 2017-04-02 22:40:08
● 2026-05-14 21:33:56
●MXmx.opt-isikawa.com2017-04-02 → 2026-05-14 · 3 obs
● 2017-04-02 22:40:08
● 2026-05-14 21:33:56
○MXsmtp01.win-sv.com2015-06-30 → 2016-03-10 · 4 obs
● 2016-03-10 15:32:34
○ 2017-04-02 22:40:08
○ 2026-05-14 21:33:56
○MXsmtp02.win-sv.com2015-06-30 → 2016-03-10 · 4 obs
● 2016-03-10 15:32:34
○ 2017-04-02 22:40:08
○ 2026-05-14 21:33:56
○A125.206.115.742015-06-30 → 2016-03-10 · 4 obs
● 2016-03-10 15:32:34
○ 2017-04-02 22:40:08
○ 2026-05-14 21:33:56
●A153.122.205.452026-03-02 → 2026-05-14 · 3 obs
● 2026-03-02 19:06:28
● 2026-05-14 21:33:56
○A211.13.196.1612017-04-02 → 2017-06-07 · 5 obs
● 2017-04-02 22:40:08
● 2017-06-07 08:19:12
○ 2026-03-02 19:06:28
○ 2026-05-14 21:33:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| opt-isikawa.com | ns1.shsvr.net, ns2.shsvr.net | - |
✅ Authoritative Response
Server:157.120.112.232
NS records: ns1.shsvr.net, ns2.shsvr.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opt-isikawa.com (unsigned zone)
⏱️ Timing
Total: 2016ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.45 |
| NS | 2 | ns1.shsvr.net, ns2.shsvr.net |
| MX | 1 | mx.opt-isikawa.com (pri: 100) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net ~a |
| SOA | 1 | ns1.shsvr.net root.shsvr.net |
Analysis
Hierarchy
opt-isikawa.com is the parent of mx.opt-isikawa.com.
IP Addresses
opt-isikawa.com resolves to one IP number: 153.122.205.45.
other host names including inkk.jp, kyoto-ys.com, for-tech.com, axa3.net and e-kouzenkai.or.jp share IP numbers with opt-isikawa.com.
Name Servers
opt-isikawa.com is delegated to two name servers ns1.shsvr.net and ns2.shsvr.net.
opt-isikawa.com shares the same name server setup as other domains, for instance freshcarriers.com, jmarp.com, ken-heartclinic.com, styl.jp and mkkgroup.com.
opt-isikawa.com at least partially shares name servers with other domains, for instance pyontarou.com, oz-com.jp, mietoryou.co.jp, mitsuboshi-web.jp and wakiyama.jp.
These name servers are commonly used alongside ns.namedserver.net and ns2.namedserver.net.
Host names with three IPs:
ns1.shsvr.net points to: 157.120.112.232, 157.120.113.232 and 157.120.114.232.
ns2.shsvr.net points to: 157.120.112.232, 157.120.113.232 and 157.120.114.232.
Hosts pointing to 157.120.112.232: ns1.shsvr.net and ns2.shsvr.net.
Hosts pointing to 157.120.113.232: ns1.shsvr.net and ns2.shsvr.net.
Hosts pointing to 157.120.114.232: ns1.shsvr.net and ns2.shsvr.net.
Mail Servers
opt-isikawa.com is handled by a single mail server, mx.opt-isikawa.com.
mx.opt-isikawa.com resolves to IP 153.122.206.94.