docker.jp - robtex.com

docker.jp

DNSSEC⚠️ Not signed
A59.106.213.203🇯🇵 SAKURA-B59.106.192.0/19 (7-192/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRasuna.pocketstudio.net
NSns.docker.jp
A153.121.40.37🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRsakura1.pocketstudio.net
NSsakura1.pocketstudio.net
A153.121.40.37🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRsakura1.pocketstudio.net
NSsakura3.pocketstudio.net
A153.121.46.159🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRsakura3.pocketstudio.net
MXns.docker.jp
A153.121.40.37🇯🇵 SAKURA-B153.121.32.0/19 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRsakura1.pocketstudio.net
TXTgoogle-site-verification=xYopc3UHnGL5rzCZ6WemZN914LkteOO6l9ifj0jawiU
TXTv=spf1 +ip4:59.106.213.203 +ip4:59.106.215.178 +ip4:163.43.194.179 ~all
SOAns.docker.jppostmaster@zem.jp 2022-05-23 #2

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=1783075503
rank #295474 globally
rank #5418 in the tld

Subdomains

Same first word

Similar names

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSns.docker.jpsakura1.pocketstudio.netsakura3.pocketstudio.netMXns.docker.jpA59.106.213.203153.121.40.37
NSns.docker.jp2015-05-18 → 2026-07-03 · 2 obs
● 2015-05-18 11:56:48
● 2026-07-03 11:01:26
NSsakura1.pocketstudio.net2015-05-18 → 2026-07-03 · 2 obs
● 2015-05-18 11:56:48
● 2026-07-03 11:01:26
NSsakura3.pocketstudio.net2015-05-18 → 2026-07-03 · 2 obs
● 2015-05-18 11:56:48
● 2026-07-03 11:01:26
MXns.docker.jp2015-05-18 → 2026-07-03 · 2 obs
● 2015-05-18 11:56:48
● 2026-07-03 11:01:26
A153.121.40.372015-05-18 → 2016-09-24 · 4 obs
● 2015-05-18 11:56:48
● 2016-09-24 03:31:28
○ 2017-02-16 07:42:52
○ 2026-07-03 11:01:26
A59.106.213.2032017-02-16 → 2026-07-03 · 3 obs
○ 2016-09-24 03:31:28
● 2017-02-16 07:42:52
● 2026-07-03 11:01:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
docker.jpsakura1.pocketstudio.net, sakura3.pocketstudio.net-

✅ Authoritative Response

Server:153.121.40.37

NS records: sakura1.pocketstudio.net, sakura3.pocketstudio.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for docker.jp (unsigned zone)

⏱️ Timing

Total: 1410ms | Queries: -

📄 Records

TypeCountSample Data
A159.106.213.203
NS2sakura1.pocketstudio.net, sakura3.pocketstudio.net
MX1ns.docker.jp (pri: 10)
TXT2google-site-verification=xYopc3UHnGL5rzC, v=spf1 +ip4:59.106.213.203 +ip4:59.106.2
SOA1ns.docker.jp postmaster.zem.jp

Analysis

Hierarchy

The domain ns.docker.jp falls under the parent docker.jp.

IP Addresses

docker.jp has exactly one IP address — 59.106.213.203.

Host names like asuna.pocketstudio.net are further examples that share IP numbers with docker.jp.

Name Servers

docker.jp carries NS records delegating to ns.docker.jp, sakura1.pocketstudio.net and sakura3.pocketstudio.net.

At least some of docker.jp's name servers are shared with other domains, for example x29.jp, dkbk.jp, icqdojo.jp and two more.

These name servers tend to co-occur with ns.dkbk.jp, ns.icqdojo.jp, ns.spten.jp and 3 other name servers in the same DNS delegations.

ns.docker.jp and sakura1.pocketstudio.net both resolve to 153.121.40.37, while sakura3.pocketstudio.net resolves to 153.121.46.159; all three hostnames carry exactly one IP address.

ns.docker.jp along with sakura1.pocketstudio.net each resolve to 153.121.40.37 IP addresses.

Mail Servers

docker.jp uses one mail server — ns.docker.jp.

docker.jp uses the same mail servers as other domains, including ns.docker.jp.