tecrowd.jp - dns.ninja

tecrowd.jp

DNSSEC⚠️ Not signed
A13.192.201.77🇺🇸 Amazon13.192.0.0/16 EC2 NRT prefix
PTRec2-13-192-201-77.ap-northeast-1.compute.amazonaws.com
A54.65.11.128🇯🇵 Amazon54.64.0.0/15 EC2 NRT prefix
A57.180.190.84🇯🇵 Amazon57.180.0.0/14 EC2
NSns-1032.awsdns-01.org
A2600:9000:5304:800::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1032.awsdns-01.org
A205.251.196.8🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1032.awsdns-01.org
NSns-1831.awsdns-36.co.uk
A2600:9000:5307:2700::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1831.awsdns-36.co.uk
A205.251.199.39🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1831.awsdns-36.co.uk
NSns-305.awsdns-38.com
A2600:9000:5301:3100::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-305.awsdns-38.com
A205.251.193.49🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-305.awsdns-38.com
NSns-539.awsdns-03.net
A2600:9000:5302:1b00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-539.awsdns-03.net
A205.251.194.27🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-539.awsdns-03.net
MXmail.tecrowd.jp
A163.43.87.151🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3911.sakura.ne.jp
TXTgoogle-site-verification=pentZxPkHYxJC9Q0jczwktsM3JY9k_64aFbgPW6eze8
TXTv=spf1 a:www3911.sakura.ne.jp mx include:_spf.google.com include:spf-bma.mpme...
SOAns-1032.awsdns-01.orgawsdns-hostmaster@amazon.com serial=1

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1782507602
📈 Tranco rank: #836,600

Subdomains

Same first word

Similar names

DNS History

21 records (8 active, 13 former)

NSns-1032.awsdns-01.orgns-1831.awsdns-36.co.ukns-305.awsdns-38.comns-539.awsdns-03.netMXmail.tecrowd.jpA13.192.201.7754.65.11.12857.180.190.8413.113.148.20613.158.128.16313.193.184.3113.193.194.7713.230.171.20516.76.17.23918.178.14.10818.180.192.4718.180.221.1653.114.210.8835.72.122.9152.192.170.252.197.41.149
NSns-1032.awsdns-01.org2026-03-27 → 2026-06-26 · 2 obs
● 2026-03-27 19:54:08
● 2026-06-26 21:43:14
NSns-1831.awsdns-36.co.uk2026-03-27 → 2026-06-26 · 2 obs
● 2026-03-27 19:54:08
● 2026-06-26 21:43:14
NSns-305.awsdns-38.com2026-03-27 → 2026-06-26 · 2 obs
● 2026-03-27 19:54:08
● 2026-06-26 21:43:14
NSns-539.awsdns-03.net2026-03-27 → 2026-06-26 · 2 obs
● 2026-03-27 19:54:08
● 2026-06-26 21:43:14
MXmail.tecrowd.jp2026-03-27 → 2026-06-26 · 2 obs
● 2026-03-27 19:54:08
● 2026-06-26 21:43:14
A13.113.148.2062026-04-26 → 2026-04-27 · 5 obs
○ 2026-03-27 19:54:08
● 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
○ 2026-03-27 19:54:08
● 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
○ 2026-06-09 01:00:16
● 2026-06-26 21:43:12
● 2026-06-26 21:43:14
A13.193.184.312026-05-27 → 2026-06-01 · 5 obs
○ 2026-04-27 03:36:30
● 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
● 2026-03-27 19:54:08
○ 2026-04-26 20:12:52
○ 2026-06-26 21:43:14
A13.230.171.2052026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 19:54:08
○ 2026-04-26 20:12:52
○ 2026-06-26 21:43:14
A16.76.17.2392026-05-27 → 2026-05-27 · 4 obs
○ 2026-04-27 03:36:30
● 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
○ 2026-06-01 04:48:00
● 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
○ 2026-06-01 04:48:00
● 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
○ 2026-06-01 04:48:00
● 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
○ 2026-03-27 19:54:08
● 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
● 2026-03-27 19:54:08
○ 2026-04-26 20:12:52
○ 2026-06-26 21:43:14
A52.192.170.22026-06-01 → 2026-06-01 · 4 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
A52.197.41.1492026-05-27 → 2026-06-01 · 5 obs
○ 2026-04-27 03:36:30
● 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
○ 2026-06-09 01:00:16
● 2026-06-26 21:43:12
● 2026-06-26 21:43:14
A57.180.190.842026-06-26 → 2026-06-26 · 3 obs
○ 2026-06-09 01:00:16
● 2026-06-26 21:43:12
● 2026-06-26 21:43:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, g.dns.jp, b.dns.jp, a.dns.jp...-
tecrowd.jpns-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

TypeCountSample Data
A354.65.11.128, 57.180.190.84...
NS4ns-1032.awsdns-01.org, ns-1831.awsdns-36.co.uk...
MX1mail.tecrowd.jp (pri: 10)
TXT2google-site-verification=pentZxPkHYxJC9Q, v=spf1 a:www3911.sakura.ne.jp mx include
SOA1ns-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.com205.251.193.49 and 2600:9000:5301:3100::1; ns-539.awsdns-03.net205.251.194.27 and 2600:9000:5302:1b00::1; ns-1032.awsdns-01.org205.251.196.8 and 2600:9000:5304:800::1; ns-1831.awsdns-36.co.uk205.251.199.39 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.