tecrowd.jp - robtex.com
tecrowd.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=1777233602 | ||||||
Subdomains
mail.tecrowd.jp |
Same first word
tecrowd.jp |
Similar names
DNS History
11 records (8 active, 3 former)
●NSns-1032.awsdns-01.org2026-03-27 → 2026-04-26 · 2 obs
● 2026-04-26 20:12:54
●NSns-1831.awsdns-36.co.uk2026-03-27 → 2026-04-26 · 2 obs
● 2026-04-26 20:12:54
●NSns-305.awsdns-38.com2026-03-27 → 2026-04-26 · 2 obs
● 2026-04-26 20:12:54
●NSns-539.awsdns-03.net2026-03-27 → 2026-04-26 · 2 obs
● 2026-04-26 20:12:54
●MXmail.tecrowd.jp2026-03-27 → 2026-04-26 · 2 obs
● 2026-04-26 20:12:54
●A13.113.148.2062026-04-26 → 2026-04-26 · 3 obs
● 2026-04-26 20:12:52
● 2026-04-26 20:12:54
●A13.158.128.1632026-04-26 → 2026-04-26 · 3 obs
● 2026-04-26 20:12:52
● 2026-04-26 20:12:54
○A13.193.194.772026-03-27 → 2026-03-27 · 3 obs
○ 2026-04-26 20:12:52
○ 2026-04-26 20:12:54
○A13.230.171.2052026-03-27 → 2026-03-27 · 3 obs
○ 2026-04-26 20:12:52
○ 2026-04-26 20:12:54
●A3.114.210.882026-04-26 → 2026-04-26 · 3 obs
● 2026-04-26 20:12:52
● 2026-04-26 20:12:54
○A35.72.122.912026-03-27 → 2026-03-27 · 3 obs
○ 2026-04-26 20:12:52
○ 2026-04-26 20:12:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, b.dns.jp, a.dns.jp, c.dns.jp... | - |
| tecrowd.jp | ns-305.awsdns-38.com, ns-539.awsdns-03.net, ns-1032.awsdns-01.org, ns-1831.awsdns-36.co.uk | - |
✅ Authoritative Response
Server:205.251.199.39
NS records: ns-305.awsdns-38.com, ns-539.awsdns-03.net, ns-1032.awsdns-01.org, ns-1831.awsdns-36.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tecrowd.jp (unsigned zone)
⏱️ Timing
Total: 958ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 13.113.148.206, 13.158.128.163... |
| NS | 4 | ns-1032.awsdns-01.org, ns-1831.awsdns-36.co.uk... |
| MX | 1 | mail.tecrowd.jp (pri: 10) |
| TXT | 2 | google-site-verification=pentZxPkHYxJC9Q, v=spf1 a:www3911.sakura.ne.jp mx include |
| SOA | 1 | ns-1032.awsdns-01.org awsdns-hostmaster. |
Analysis
Hierarchy
The parent of mail.tecrowd.jp is tecrowd.jp.
IP Addresses
tecrowd.jp points to three IPs: 3.114.210.88, 13.113.148.206 and 13.158.128.163.
Other host names, for example ec2-3-114-210-88.ap-northeast-1.compute.amazonaws.com, www.h-cso.com, h-cso.com and ec2-13-113-148-206.ap-northeast-1.compute.amazonaws.com share IP numbers with tecrowd.jp.
Name Servers
tecrowd.jp is delegated to four name servers: ns-305.awsdns-38.com, ns-539.awsdns-03.net, ns-1032.awsdns-01.org and ns-1831.awsdns-36.co.uk.
tecrowd.jp shares name servers with other domains at least partially, for instance 37.216.102.in-addr.arpa, d1ca8tr7z8kmnw.cloudfront.net, kouhei-takeda.com, noenmakok.go.th and homify.com.ar.
these name servers are often used with ns-900.awsdns-48.net, ns-1434.awsdns-51.org and ns-1576.awsdns-05.co.uk.
Host names with two IP numbers:
ns-305.awsdns-38.com resolves to 2600:9000:5301:3100::1 and 205.251.193.49.
ns-539.awsdns-03.net resolves to 2600:9000:5302:1b00::1 and 205.251.194.27.
ns-1032.awsdns-01.org resolves to 2600:9000:5304:800::1 and 205.251.196.8.
ns-1831.awsdns-36.co.uk resolves to 2600:9000:5307:2700::1 and 205.251.199.39.
Mail Servers
The mail server for tecrowd.jp is mail.tecrowd.jp.
Host name mail.tecrowd.jp resolves to IP 163.43.87.151.