ryuzo.jp - robtex.com

ryuzo.jp

DNSSEC⚠️ Not signed
A133.242.160.110🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww11096ui.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
MXmail3.ryuzo.jp ⭐
A133.242.160.110🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww11096ui.sakura.ne.jp
TXTgoogle-site-verification=dHe89b_UipBmDbT3fvrFx1kJuiKEp72hF-0EFMmIv5c
TXTv=spf1 mx a ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-06-12 #3

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=1785209403

Subdomains

mail3.ryuzo.jp

Same first word

ryuzo.com
ryuzo.net
ryuzo.jp

Similar names

uzory.com
ourzy.com
yourz.ch
zuroy.com
yourz.org
ouryz.cn
ouryz.com
youzr.com
yourz.be
yuzro.com
yourz.jp
yuroz.com
yuzor.com
royzu.com
rouzy.com
rzyou.com
yourz.ca
yourz.nl
yourz.net
zoryu.trade
yourz.co
yourz.ro
zyuro.com
ryozu.com
yourz.cn
yourz.ru
yourz.shop
yourz.com.tw
yoruz.biz
uzory.ru
ruzyo.com

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpkuzukiri.coolsite.co.jpns01.coolsite.co.jpodango.coolsite.co.jpMXmail3.ryuzo.jpA133.242.160.110
○NSkuzukiri.coolsite.co.jp2015-06-20 → 2016-02-05 · 4 obs
● 2015-06-20 21:39:38
● 2016-02-05 02:33:16
○ 2016-04-14 22:16:44
○ 2026-07-28 04:06:30
●NSmaster.dns.ne.jp2016-04-14 → 2026-07-28 · 3 obs
○ 2016-02-05 02:33:16
● 2016-04-14 22:16:44
● 2026-07-28 04:06:30
○NSns01.coolsite.co.jp2015-06-20 → 2016-02-05 · 4 obs
● 2015-06-20 21:39:38
● 2016-02-05 02:33:16
○ 2016-04-14 22:16:44
○ 2026-07-28 04:06:30
●NSns1.dns.ne.jp2016-04-14 → 2026-07-28 · 3 obs
○ 2016-02-05 02:33:16
● 2016-04-14 22:16:44
● 2026-07-28 04:06:30
●NSns2.dns.ne.jp2016-04-14 → 2026-07-28 · 3 obs
○ 2016-02-05 02:33:16
● 2016-04-14 22:16:44
● 2026-07-28 04:06:30
○NSodango.coolsite.co.jp2015-06-20 → 2016-02-05 · 4 obs
● 2015-06-20 21:39:38
● 2016-02-05 02:33:16
○ 2016-04-14 22:16:44
○ 2026-07-28 04:06:30
●MXmail3.ryuzo.jp2015-06-20 → 2026-07-28 · 2 obs
● 2015-06-20 21:39:38
● 2026-07-28 04:06:30
●A133.242.160.1102015-06-20 → 2026-07-28 · 2 obs
● 2015-06-20 21:39:38
● 2026-07-28 04:06:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
ryuzo.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 ryuzo.jp (unsigned zone)

⏱️ Timing

Total: 1269ms | Queries: -

📄 Records

TypeCountSample Data
A1133.242.160.110
NS2ns2.dns.ne.jp, ns1.dns.ne.jp
MX1mail3.ryuzo.jp (pri: 10)
TXT2google-site-verification=dHe89b_UipBmDbT, v=spf1 mx a ~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

Hierarchy

ryuzo.jp serves as the parent of mail3.ryuzo.jp.

IP Addresses

ryuzo.jp directs to one IP number, which is 133.242.160.110.

Additional host names such as mail.ryuzo.net, ryuzo.net, www11096ui.sakura.ne.jp and mail3.ryuzo.jp share IP numbers with ryuzo.jp.

Name Servers

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

ryuzo.jp has at least partial name server overlap with other domains, such as ultratime.info, ohagido.com, sun-cl.sakura.ne.jp and two others.

It is common to find these name servers paired with the name servers dns.sakura.ad.jp.

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

ryuzo.jp routes its mail through a single mail server, mail3.ryuzo.jp.

There is one IP number for mail3.ryuzo.jp: 133.242.160.110.