csdev.co.jp - dns.ninja
csdev.co.jp
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
www.csdev.co.jp |
Same first word
csdev.ca |
csdev.dk |
csdev.ru |
csdev.com |
csdev.co.jp |
csdev.nl |
csdev.it |
csdev.info |
csdev.co |
csdev.fr |
csdev.de |
csdev.biz |
csdev.ch |
Similar names
DNS History
11 records (11 active, 0 former)
●NSns-1486.awsdns-57.org2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●NSns-1818.awsdns-35.co.uk2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●NSns-43.awsdns-05.com2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●NSns-763.awsdns-31.net2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●MXalt1.aspmx.l.google.com2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●MXalt2.aspmx.l.google.com2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●MXaspmx.l.google.com2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●MXaspmx2.googlemail.com2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●MXaspmx3.googlemail.com2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●MXaspmx4.googlemail.com2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
●MXaspmx5.googlemail.com2018-05-16 → 2026-06-14 · 2 obs
● 2026-06-14 17:28:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| csdev.co.jp | ns-1818.awsdns-35.co.uk, ns-763.awsdns-31.net, ns-43.awsdns-05.com, ns-1486.awsdns-57.org | - |
✅ Authoritative Response
Server:205.251.199.26
NS records: ns-1818.awsdns-35.co.uk, ns-763.awsdns-31.net, ns-43.awsdns-05.com, ns-1486.awsdns-57.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csdev.co.jp (unsigned zone)
⏱️ Timing
Total: 1652ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1486.awsdns-57.org, ns-1818.awsdns-35.co.uk... |
| MX | 7 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| SOA | 1 | ns-1486.awsdns-57.org awsdns-hostmaster. |
Analysis
Hierarchy
www.csdev.co.jp is a subdomain of csdev.co.jp.
Name Servers
Four name servers handle the delegation for csdev.co.jp: ns-43.awsdns-05.com, ns-763.awsdns-31.net, ns-1486.awsdns-57.org and ns-1818.awsdns-35.co.uk.
The name servers of csdev.co.jp overlap at least partially with those of other domains — among them gastrich.org, chatmatch.tv, boingboing.it and two more.
These name servers commonly appear in delegations together with ns-666.awsdns-19.net, ns-1092.awsdns-08.org, ns-1754.awsdns-27.co.uk and 4 other.
Each of the four hosts ns-43.awsdns-05.com, ns-763.awsdns-31.net, ns-1486.awsdns-57.org and ns-1818.awsdns-35.co.uk has two IP addresses. ns-43.awsdns-05.com points to 205.251.192.43 and 2600:9000:5300:2b00::1. ns-763.awsdns-31.net points to 205.251.194.251 and 2600:9000:5302:fb00::1. ns-1486.awsdns-57.org points to 205.251.197.206 and 2600:9000:5305:ce00::1. ns-1818.awsdns-35.co.uk points to 205.251.199.26 and 2600:9000:5307:1a00::1.
Mail Servers
csdev.co.jp has 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com plus 4 other.
At least some of the mail servers used by csdev.co.jp are shared with other domains: e-taalib.com, frenchfive.com, restaurant-akropolis.net and two others among them.
These mail servers are often deployed together with aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx4.googlemail.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
aspmx5.googlemail.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.
aspmx.l.google.com resolves to 172.253.63.27 and 2607:f8b0:4004:c0b::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1b IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.27 IP addresses.