linux.jp - dns.ninja

linux.jp

DNSSECโš ๏ธ Not signed
A202.233.66.49๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.233.66.0/23 XSERVER Inc.
PTRsv12368.xserver.jp
NSns1.xserver.jp โญ
A202.226.36.164๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26๐Ÿ‡ฏ๐Ÿ‡ต Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
TXTv=spf1 +a:sv12368.xserver.jp +a:linux.jp +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=0

jp

DNSSEC๐Ÿ”’ Signed (DS record present)
NSz.dns.jp โญ
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=1780520403

Previously MX for

Subdomains

Same first word

Similar names

DNS History

18 records (6 active, 12 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpjla1.linux.or.jpjla2.linux.or.jpmizuho.linux.jpns.dicey.orgns6.cpi.ad.jpns7.cpi.ad.jpMXlinux.jpvlmx20.secure.ne.jpvlmx21.secure.ne.jpvlmx22.secure.ne.jpA202.233.66.49150.60.158.59210.171.226.43
โ—‹NSjla1.linux.or.jp2015-06-04 โ†’ 2016-12-15 ยท 4 obs
โ— 2015-06-04 06:12:06
โ— 2016-12-15 04:19:50
โ—‹ 2017-07-22 15:46:22
โ—‹ 2026-06-03 21:38:36
โ—‹NSjla2.linux.or.jp2015-06-04 โ†’ 2016-12-15 ยท 4 obs
โ— 2015-06-04 06:12:06
โ— 2016-12-15 04:19:50
โ—‹ 2017-07-22 15:46:22
โ—‹ 2026-06-03 21:38:36
โ—‹NSmizuho.linux.jp2015-06-04 โ†’ 2016-12-15 ยท 4 obs
โ— 2015-06-04 06:12:06
โ— 2016-12-15 04:19:50
โ—‹ 2017-07-22 15:46:22
โ—‹ 2026-06-03 21:38:36
โ—‹NSns.dicey.org2015-06-04 โ†’ 2016-12-15 ยท 4 obs
โ— 2015-06-04 06:12:06
โ— 2016-12-15 04:19:50
โ—‹ 2017-07-22 15:46:22
โ—‹ 2026-06-03 21:38:36
โ—NSns1.xserver.jp2026-02-24 โ†’ 2026-06-03 ยท 3 obs
โ—‹ 2017-07-30 10:02:34
โ— 2026-02-24 16:15:28
โ— 2026-06-03 21:38:36
โ—NSns2.xserver.jp2026-02-24 โ†’ 2026-06-03 ยท 3 obs
โ—‹ 2017-07-30 10:02:34
โ— 2026-02-24 16:15:28
โ— 2026-06-03 21:38:36
โ—NSns3.xserver.jp2026-02-24 โ†’ 2026-06-03 ยท 3 obs
โ—‹ 2017-07-30 10:02:34
โ— 2026-02-24 16:15:28
โ— 2026-06-03 21:38:36
โ—NSns4.xserver.jp2026-02-24 โ†’ 2026-06-03 ยท 3 obs
โ—‹ 2017-07-30 10:02:34
โ— 2026-02-24 16:15:28
โ— 2026-06-03 21:38:36
โ—NSns5.xserver.jp2026-02-24 โ†’ 2026-06-03 ยท 3 obs
โ—‹ 2017-07-30 10:02:34
โ— 2026-02-24 16:15:28
โ— 2026-06-03 21:38:36
โ—‹NSns6.cpi.ad.jp2017-07-22 โ†’ 2017-07-30 ยท 5 obs
โ—‹ 2016-12-15 04:19:50
โ— 2017-07-22 15:46:22
โ— 2017-07-30 10:02:34
โ—‹ 2026-02-24 16:15:28
โ—‹ 2026-06-03 21:38:36
โ—‹NSns7.cpi.ad.jp2017-07-22 โ†’ 2017-07-30 ยท 5 obs
โ—‹ 2016-12-15 04:19:50
โ— 2017-07-22 15:46:22
โ— 2017-07-30 10:02:34
โ—‹ 2026-02-24 16:15:28
โ—‹ 2026-06-03 21:38:36
โ—‹MXlinux.jp2015-06-04 โ†’ 2016-12-15 ยท 4 obs
โ— 2015-06-04 06:12:06
โ— 2016-12-15 04:19:50
โ—‹ 2017-07-22 15:46:22
โ—‹ 2026-06-03 21:38:36
โ—‹MXvlmx20.secure.ne.jp2017-07-22 โ†’ 2017-07-30 ยท 5 obs
โ—‹ 2016-12-15 04:19:50
โ— 2017-07-22 15:46:22
โ— 2017-07-30 10:02:34
โ—‹ 2026-02-24 16:15:28
โ—‹ 2026-06-03 21:38:36
โ—‹MXvlmx21.secure.ne.jp2017-07-22 โ†’ 2017-07-30 ยท 5 obs
โ—‹ 2016-12-15 04:19:50
โ— 2017-07-22 15:46:22
โ— 2017-07-30 10:02:34
โ—‹ 2026-02-24 16:15:28
โ—‹ 2026-06-03 21:38:36
โ—‹MXvlmx22.secure.ne.jp2017-07-22 โ†’ 2017-07-30 ยท 5 obs
โ—‹ 2016-12-15 04:19:50
โ— 2017-07-22 15:46:22
โ— 2017-07-30 10:02:34
โ—‹ 2026-02-24 16:15:28
โ—‹ 2026-06-03 21:38:36
โ—‹A150.60.158.592017-07-22 โ†’ 2017-07-30 ยท 5 obs
โ—‹ 2016-12-15 04:19:50
โ— 2017-07-22 15:46:22
โ— 2017-07-30 10:02:34
โ—‹ 2026-02-24 16:15:28
โ—‹ 2026-06-03 21:38:36
โ—A202.233.66.492026-02-24 โ†’ 2026-06-03 ยท 3 obs
โ—‹ 2017-07-30 10:02:34
โ— 2026-02-24 16:15:28
โ— 2026-06-03 21:38:36
โ—‹A210.171.226.432015-06-04 โ†’ 2016-12-15 ยท 4 obs
โ— 2015-06-04 06:12:06
โ— 2016-12-15 04:19:50
โ—‹ 2017-07-22 15:46:22
โ—‹ 2026-06-03 21:38:36

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
linux.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

โœ… Authoritative Response

Server:202.226.36.164

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for linux.jp (unsigned zone)

โฑ๏ธ Timing

Total: 970ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1202.233.66.49
NS5ns2.xserver.jp, ns5.xserver.jp...
TXT1v=spf1 +a:sv12368.xserver.jp +a:linux.jp
SOA1ns1.xserver.jp root.xserver.jp

๐Ÿ“Œ Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Hierarchy

mizuho.linux.jp is delegated beneath linux.jp.

IP Addresses

linux.jp resolves to just one IP address, 202.233.66.49.

Two other host names, along with sougi-saishin.com, ks-style.net and sv12368.xserver.jp, also share IP numbers with linux.jp.

Name Servers

Authority for linux.jp is spread across 5 name servers; listed: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

There is at least partial name server overlap between linux.jp and other domains โ€” 3tamura.com, amazon-yasukukau.com, jask.jp and two more among them.

These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

ns2.xserver.jp points to 35.72.43.26.

ns3.xserver.jp points to 202.226.36.247.