ryuzan.com - robtex.com

ryuzan.com

DNSSEC⚠️ Not signed
A85.131.221.55🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv17094.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXryuzan.com ⭐
A85.131.221.55🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv17094.xserver.jp
TXTv=spf1 +a:sv17094.xserver.jp +a:ryuzan.com +mx include:spf.sender.xserver.jp ...
SOAns1.xserver.jproot@xserver.jp serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785907044

MX for

ryuzan.com

Subdomains

mail.ryuzan.com

Same first word

ryuzan.com
ryuzan.jp

Similar names

nauryz.com
zunray.com
rayzun.com
nauryz.kz
nzyura.com
nuzyra.com

DNS History

15 records (7 active, 8 former)

200920112013201520172019202120232025NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comMXryuzan.commail.ryuzan.comA85.131.221.55110.5.28.10114.12.113.34
○NSdns1.name-services.com2015-07-08 → 2026-05-16 · 5 obs
○ 2008-03-20 13:09:08
● 2015-07-08 06:29:28
● 2026-05-16 19:10:20
○ 2026-07-24 12:28:44
○ 2026-08-05 05:46:00
○NSdns2.name-services.com2015-07-08 → 2026-05-16 · 5 obs
○ 2008-03-20 13:09:08
● 2015-07-08 06:29:28
● 2026-05-16 19:10:20
○ 2026-07-24 12:28:44
○ 2026-08-05 05:46:00
○NSdns3.name-services.com2015-07-08 → 2026-05-16 · 5 obs
○ 2008-03-20 13:09:08
● 2015-07-08 06:29:28
● 2026-05-16 19:10:20
○ 2026-07-24 12:28:44
○ 2026-08-05 05:46:00
○NSdns4.name-services.com2015-07-08 → 2026-05-16 · 5 obs
○ 2008-03-20 13:09:08
● 2015-07-08 06:29:28
● 2026-05-16 19:10:20
○ 2026-07-24 12:28:44
○ 2026-08-05 05:46:00
○NSdns5.name-services.com2015-07-08 → 2026-05-16 · 5 obs
○ 2008-03-20 13:09:08
● 2015-07-08 06:29:28
● 2026-05-16 19:10:20
○ 2026-07-24 12:28:44
○ 2026-08-05 05:46:00
●NSns1.xserver.jp2026-07-24 → 2026-08-05 · 3 obs
○ 2026-05-16 19:10:20
● 2026-07-24 12:28:44
● 2026-08-05 05:46:00
●NSns2.xserver.jp2026-07-24 → 2026-08-05 · 3 obs
○ 2026-05-16 19:10:20
● 2026-07-24 12:28:44
● 2026-08-05 05:46:00
●NSns3.xserver.jp2026-07-24 → 2026-08-05 · 3 obs
○ 2026-05-16 19:10:20
● 2026-07-24 12:28:44
● 2026-08-05 05:46:00
●NSns4.xserver.jp2026-07-24 → 2026-08-05 · 3 obs
○ 2026-05-16 19:10:20
● 2026-07-24 12:28:44
● 2026-08-05 05:46:00
●NSns5.xserver.jp2026-07-24 → 2026-08-05 · 3 obs
○ 2026-05-16 19:10:20
● 2026-07-24 12:28:44
● 2026-08-05 05:46:00
○MXmail.ryuzan.com2015-07-08 → 2026-05-16 · 5 obs
○ 2008-03-20 13:09:08
● 2015-07-08 06:29:28
● 2026-05-16 19:10:20
○ 2026-07-24 12:28:44
○ 2026-08-05 05:46:00
●MXryuzan.com2026-07-24 → 2026-08-05 · 3 obs
○ 2026-05-16 19:10:20
● 2026-07-24 12:28:44
● 2026-08-05 05:46:00
○A110.5.28.1012015-07-08 → 2017-05-27 · 5 obs
○ 2008-03-20 13:09:08
● 2015-07-08 06:29:28
● 2017-05-27 04:26:12
○ 2026-03-24 17:45:04
○ 2026-08-05 05:46:00
○A14.12.113.342026-03-24 → 2026-05-16 · 5 obs
○ 2017-05-27 04:26:12
● 2026-03-24 17:45:04
● 2026-05-16 19:10:20
○ 2026-07-24 12:28:44
○ 2026-08-05 05:46:00
●A85.131.221.552026-07-24 → 2026-08-05 · 3 obs
○ 2026-05-16 19:10:20
● 2026-07-24 12:28:44
● 2026-08-05 05:46:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...-
ryuzan.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.170

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ryuzan.com (unsigned zone)

⏱️ Timing

Total: 1067ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.221.55
NS5ns5.xserver.jp, ns4.xserver.jp...
MX1ryuzan.com (pri: 0)
TXT1v=spf1 +a:sv17094.xserver.jp +a:ryuzan.c
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

ryuzan.com serves as the parent of mail.ryuzan.com.

Mail Server Role

ryuzan.com is listed as a mail server for itself.

IP Addresses

ryuzan.com resolves to one IP address: 85.131.221.55.

road-runner.jp, gamoblog.com, www.yu-g-office.com and two other host names share IP numbers with ryuzan.com.

Name Servers

ryuzan.com has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

ryuzan.com has at least partial name server overlap with other domains, such as yuyudorappc.club, ntj.jp, sugar-club.com and two others.

It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that resolve to three IP addresses:

ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts with just one IP address:

ns2.xserver.jp resolves to the IP address 35.72.43.26.

ns3.xserver.jp resolves to the IP address 202.226.36.247.

Mail Servers

Mail for ryuzan.com is handled by one mail server — ryuzan.com.

ryuzan.com resolves to 85.131.221.55 and no other IP number.