ktube.jp - robtex.com

ktube.jp

DNSSEC⚠️ Not signed
A210.224.185.226🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2586.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXktube.jp ⭐
A210.224.185.226🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2586.sakura.ne.jp
TXTv=spf1 a:www2586.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-04-05 #14

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=1783232103

MX for

ktube.jp

Same first word

ktube.ca
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ktube.tv
ktube.jp
ktube.biz

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DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpdns01.gmoserver.jpdns02.gmoserver.jpMXktube.jpmx9.gmoserver.jpA210.224.185.226157.7.144.104
○NSdns01.gmoserver.jp2015-08-15 → 2016-03-15 · 4 obs
● 2015-08-15 16:31:50
● 2016-03-15 04:48:32
○ 2016-07-03 07:53:26
○ 2026-07-05 06:47:14
○NSdns02.gmoserver.jp2015-08-15 → 2016-03-15 · 4 obs
● 2015-08-15 16:31:50
● 2016-03-15 04:48:32
○ 2016-07-03 07:53:26
○ 2026-07-05 06:47:14
●NSmaster.dns.ne.jp2026-06-04 → 2026-07-05 · 3 obs
○ 2016-07-03 07:53:26
● 2026-06-04 00:32:24
● 2026-07-05 06:47:14
●NSns1.dns.ne.jp2026-06-04 → 2026-07-05 · 3 obs
○ 2016-07-03 07:53:26
● 2026-06-04 00:32:24
● 2026-07-05 06:47:14
●NSns2.dns.ne.jp2026-06-04 → 2026-07-05 · 3 obs
○ 2016-07-03 07:53:26
● 2026-06-04 00:32:24
● 2026-07-05 06:47:14
●MXktube.jp2026-06-04 → 2026-07-05 · 3 obs
○ 2016-07-03 07:53:26
● 2026-06-04 00:32:24
● 2026-07-05 06:47:14
○MXmx9.gmoserver.jp2015-08-15 → 2016-03-15 · 4 obs
● 2015-08-15 16:31:50
● 2016-03-15 04:48:32
○ 2016-07-03 07:53:26
○ 2026-07-05 06:47:14
○A157.7.144.1042015-08-15 → 2016-03-15 · 4 obs
● 2015-08-15 16:31:50
● 2016-03-15 04:48:32
○ 2016-07-03 07:53:26
○ 2026-07-05 06:47:14
●A210.224.185.2262026-06-04 → 2026-07-05 · 3 obs
○ 2016-07-03 07:53:26
● 2026-06-04 00:32:24
● 2026-07-05 06:47:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
ktube.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ktube.jp (unsigned zone)

⏱️ Timing

Total: 839ms | Queries: -

📄 Records

TypeCountSample Data
A1210.224.185.226
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1ktube.jp (pri: 10)
TXT1v=spf1 a:www2586.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

Mail Server Role

The MX record for ktube.jp points back to ktube.jp — it is its own mail server.

IP Addresses

ktube.jp directs to one IP number, which is 210.224.185.226.

Among the host names that share IP numbers with ktube.jp are densya.jp, agora.jpn.com, umisora.biz and two others.

Name Servers

Three name servers are authoritative for ktube.jp: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

There is at least partial name server overlap between ktube.jp and other domains — minka-japan.sakura.ne.jp, santamonicafm.com, kappaa.net and two more among them.

Three hostnames, one IP address apiece: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.

Mail Servers

The MX record for ktube.jp points to a single mail server: ktube.jp.

There is one IP number for ktube.jp: 210.224.185.226.