instech.jp - dns.ninja
instech.jp
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=1782679503 | ||||||
Subdomains
mail.instech.jp |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
●NSns-1315.awsdns-36.org2026-03-25 → 2026-06-28 · 3 obs
● 2026-03-25 20:40:06
● 2026-06-28 21:05:02
●NSns-2031.awsdns-61.co.uk2026-03-25 → 2026-06-28 · 3 obs
● 2026-03-25 20:40:06
● 2026-06-28 21:05:02
●NSns-338.awsdns-42.com2026-03-25 → 2026-06-28 · 3 obs
● 2026-03-25 20:40:06
● 2026-06-28 21:05:02
●NSns-963.awsdns-56.net2026-03-25 → 2026-06-28 · 3 obs
● 2026-03-25 20:40:06
● 2026-06-28 21:05:02
○NSns1.firstserver.ne.jp2015-06-23 → 2017-01-01 · 4 obs
● 2017-01-01 08:52:24
○ 2026-03-25 20:40:06
○ 2026-06-28 21:05:02
○NSns2.firstserver.ne.jp2015-06-23 → 2017-01-01 · 4 obs
● 2017-01-01 08:52:24
○ 2026-03-25 20:40:06
○ 2026-06-28 21:05:02
○NSns3.firstserver.ne.jp2015-06-23 → 2017-01-01 · 4 obs
● 2017-01-01 08:52:24
○ 2026-03-25 20:40:06
○ 2026-06-28 21:05:02
○NSns4.firstserver.ne.jp2015-06-23 → 2017-01-01 · 4 obs
● 2017-01-01 08:52:24
○ 2026-03-25 20:40:06
○ 2026-06-28 21:05:02
●MXmail.instech.jp2015-06-23 → 2026-06-28 · 2 obs
● 2026-06-28 21:05:02
○MXmx1.firstserver.ne.jp2015-06-23 → 2017-01-01 · 4 obs
● 2017-01-01 08:52:24
○ 2026-03-25 20:40:06
○ 2026-06-28 21:05:02
○MXmx2.firstserver.ne.jp2015-06-23 → 2017-01-01 · 4 obs
● 2017-01-01 08:52:24
○ 2026-03-25 20:40:06
○ 2026-06-28 21:05:02
○A164.46.101.1822015-06-23 → 2017-01-01 · 4 obs
● 2017-01-01 08:52:24
○ 2026-03-25 20:40:06
○ 2026-06-28 21:05:02
●A164.46.58.1572026-03-25 → 2026-06-28 · 3 obs
● 2026-03-25 20:40:06
● 2026-06-28 21:05:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| instech.jp | ns-1315.awsdns-36.org, ns-2031.awsdns-61.co.uk, ns-338.awsdns-42.com, ns-963.awsdns-56.net | - |
✅ Authoritative Response
Server:205.251.197.35
NS records: ns-1315.awsdns-36.org, ns-2031.awsdns-61.co.uk, ns-338.awsdns-42.com, ns-963.awsdns-56.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instech.jp (unsigned zone)
⏱️ Timing
Total: 795ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.46.58.157 |
| NS | 4 | ns-1315.awsdns-36.org, ns-2031.awsdns-61.co.uk... |
| MX | 1 | mail.instech.jp (pri: 100) |
| SOA | 1 | ns-2031.awsdns-61.co.uk awsdns-hostmaste |
Analysis
Hierarchy
mail.instech.jp is a subdomain of instech.jp.
IP Addresses
instech.jp resolves to one IP address: 164.46.58.157.
ivory-panda-78013480bbd6490d.znlc.jp and mail.instech.jp are among other host names that share IP numbers with instech.jp.
Name Servers
The authoritative name servers for instech.jp are ns-338.awsdns-42.com, ns-963.awsdns-56.net, ns-1315.awsdns-36.org and ns-2031.awsdns-61.co.uk.
The name servers of instech.jp overlap at least partially with those of other domains — among them 89pies.com, d1sejmcq1y3oll.cloudfront.net, 236.97.3.in-addr.arpa and two more.
These name servers commonly co-occur with the name servers ns1-24-ca-central-1.ec2-rdns.amazonaws.com, ns2-24-ca-central-1.ec2-rdns.amazonaws.com, ns3-24-ca-central-1.ec2-rdns.amazonaws.com and ns4-24-ca-central-1.ec2-rdns.amazonaws.com.
Each of the four hosts ns-338.awsdns-42.com, ns-963.awsdns-56.net, ns-1315.awsdns-36.org and ns-2031.awsdns-61.co.uk has two IP addresses. ns-338.awsdns-42.com points to 205.251.193.82 and 2600:9000:5301:5200::1. ns-963.awsdns-56.net points to 205.251.195.195 and 2600:9000:5303:c300::1. ns-1315.awsdns-36.org points to 205.251.197.35 and 2600:9000:5305:2300::1. ns-2031.awsdns-61.co.uk points to 205.251.199.239 and 2600:9000:5307:ef00::1.
Mail Servers
Mail for instech.jp is handled by a single mail server, mail.instech.jp.
The mail server configuration of instech.jp is identical to that of other domains — mail.instech.jp being one example.
mail.instech.jp points to one IP number — 164.46.58.157.