tecrowd.jp - dns.ninja
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=1782507602 | ||||||
Subdomains
mail.tecrowd.jp |
Same first word
tecrowd.jp |
Similar names
DNS History
21 records (8 active, 13 former)
●NSns-1032.awsdns-01.org2026-03-27 → 2026-06-26 · 2 obs
● 2026-06-26 21:43:14
●NSns-1831.awsdns-36.co.uk2026-03-27 → 2026-06-26 · 2 obs
● 2026-06-26 21:43:14
●NSns-305.awsdns-38.com2026-03-27 → 2026-06-26 · 2 obs
● 2026-06-26 21:43:14
●NSns-539.awsdns-03.net2026-03-27 → 2026-06-26 · 2 obs
● 2026-06-26 21:43:14
●MXmail.tecrowd.jp2026-03-27 → 2026-06-26 · 2 obs
● 2026-06-26 21:43:14
○A13.113.148.2062026-04-26 → 2026-04-27 · 5 obs
● 2026-04-26 20:12:52
● 2026-04-27 03:36:30
○ 2026-05-27 23:12:22
○ 2026-06-26 21:43:14
○A13.158.128.1632026-04-26 → 2026-04-27 · 5 obs
● 2026-04-26 20:12:52
● 2026-04-27 03:36:30
○ 2026-05-27 23:12:22
○ 2026-06-26 21:43:14
●A13.192.201.772026-06-26 → 2026-06-26 · 3 obs
● 2026-06-26 21:43:12
● 2026-06-26 21:43:14
○A13.193.184.312026-05-27 → 2026-06-01 · 5 obs
● 2026-05-27 23:12:22
● 2026-06-01 04:48:00
○ 2026-06-09 01:00:16
○ 2026-06-26 21:43:14
○A13.193.194.772026-03-27 → 2026-03-27 · 3 obs
○ 2026-04-26 20:12:52
○ 2026-06-26 21:43:14
○A13.230.171.2052026-03-27 → 2026-03-27 · 3 obs
○ 2026-04-26 20:12:52
○ 2026-06-26 21:43:14
○A16.76.17.2392026-05-27 → 2026-05-27 · 4 obs
● 2026-05-27 23:12:22
○ 2026-06-01 04:48:00
○ 2026-06-26 21:43:14
○A18.178.14.1082026-06-09 → 2026-06-09 · 4 obs
● 2026-06-09 01:00:16
○ 2026-06-26 21:43:12
○ 2026-06-26 21:43:14
○A18.180.192.472026-06-09 → 2026-06-09 · 4 obs
● 2026-06-09 01:00:16
○ 2026-06-26 21:43:12
○ 2026-06-26 21:43:14
○A18.180.221.1652026-06-09 → 2026-06-09 · 4 obs
● 2026-06-09 01:00:16
○ 2026-06-26 21:43:12
○ 2026-06-26 21:43:14
○A3.114.210.882026-04-26 → 2026-04-27 · 5 obs
● 2026-04-26 20:12:52
● 2026-04-27 03:36:30
○ 2026-05-27 23:12:22
○ 2026-06-26 21:43:14
○A35.72.122.912026-03-27 → 2026-03-27 · 3 obs
○ 2026-04-26 20:12:52
○ 2026-06-26 21:43:14
○A52.192.170.22026-06-01 → 2026-06-01 · 4 obs
● 2026-06-01 04:48:00
○ 2026-06-09 01:00:16
○ 2026-06-26 21:43:14
○A52.197.41.1492026-05-27 → 2026-06-01 · 5 obs
● 2026-05-27 23:12:22
● 2026-06-01 04:48:00
○ 2026-06-09 01:00:16
○ 2026-06-26 21:43:14
●A54.65.11.1282026-06-26 → 2026-06-26 · 3 obs
● 2026-06-26 21:43:12
● 2026-06-26 21:43:14
●A57.180.190.842026-06-26 → 2026-06-26 · 3 obs
● 2026-06-26 21:43:12
● 2026-06-26 21:43:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, g.dns.jp, b.dns.jp, a.dns.jp... | - |
| tecrowd.jp | ns-305.awsdns-38.com, ns-1032.awsdns-01.org, ns-539.awsdns-03.net, ns-1831.awsdns-36.co.uk | - |
✅ Authoritative Response
Server:205.251.194.27
NS records: ns-305.awsdns-38.com, ns-1032.awsdns-01.org, ns-539.awsdns-03.net, ns-1831.awsdns-36.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tecrowd.jp (unsigned zone)
⏱️ Timing
Total: 626ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 54.65.11.128, 57.180.190.84... |
| 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
tecrowd.jp serves as the parent of mail.tecrowd.jp.
IP Addresses
tecrowd.jp maps to three IP numbers — 13.192.201.77, 54.65.11.128 and 57.180.190.84.
Name Servers
tecrowd.jp has four authoritative 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 has at least partial name server overlap with other domains, such as 37.216.102.in-addr.arpa, d1ca8tr7z8kmnw.cloudfront.net, kouhei-takeda.com and two others.
These name servers tend to appear together with the name servers ns-900.awsdns-48.net, ns-1434.awsdns-51.org and ns-1576.awsdns-05.co.uk.
ns-305.awsdns-38.com, ns-539.awsdns-03.net, ns-1032.awsdns-01.org and ns-1831.awsdns-36.co.uk all point to exactly two IP numbers each: ns-305.awsdns-38.com → 205.251.193.49 and 2600:9000:5301:3100::1; ns-539.awsdns-03.net → 205.251.194.27 and 2600:9000:5302:1b00::1; ns-1032.awsdns-01.org → 205.251.196.8 and 2600:9000:5304:800::1; ns-1831.awsdns-36.co.uk → 205.251.199.39 and 2600:9000:5307:2700::1.
Mail Servers
tecrowd.jp has one mail server: mail.tecrowd.jp.
mail.tecrowd.jp carries a single IP number, which is 163.43.87.151.