ryu-dh.com - robtex.com

ryu-dh.com

DNSSEC⚠️ Not signed
A85.131.213.48🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16667.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.
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.
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.
TXTv=spf1 +a:sv16667.xserver.jp +a:ryu-dh.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=1784976817

Subdomains

mail.ryu-dh.com

Same first word

ryu-dh.com

DNS History

17 records (6 active, 11 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns-1202.awsdns-22.orgns-1757.awsdns-27.co.ukns-502.awsdns-62.comns-640.awsdns-16.netnsas1.firstserver.ne.jpnsas2.firstserver.ne.jpMXmail.ryu-dh.commx1.firstserver.ne.jpmx2.firstserver.ne.jpA85.131.213.48154.34.35.177203.145.250.115
○NSns-1202.awsdns-22.org2018-07-29 → 2018-07-29 · 4 obs
○ 2016-12-26 04:08:20
● 2018-07-29 03:48:42
○ 2026-02-22 21:35:32
○ 2026-07-25 11:06:20
○NSns-1757.awsdns-27.co.uk2018-07-29 → 2018-07-29 · 4 obs
○ 2016-12-26 04:08:20
● 2018-07-29 03:48:42
○ 2026-02-22 21:35:32
○ 2026-07-25 11:06:20
○NSns-502.awsdns-62.com2018-07-29 → 2018-07-29 · 4 obs
○ 2016-12-26 04:08:20
● 2018-07-29 03:48:42
○ 2026-02-22 21:35:32
○ 2026-07-25 11:06:20
○NSns-640.awsdns-16.net2018-07-29 → 2018-07-29 · 4 obs
○ 2016-12-26 04:08:20
● 2018-07-29 03:48:42
○ 2026-02-22 21:35:32
○ 2026-07-25 11:06:20
●NSns1.xserver.jp2026-02-22 → 2026-07-25 · 3 obs
○ 2018-07-29 03:48:42
● 2026-02-22 21:35:32
● 2026-07-25 11:06:20
●NSns2.xserver.jp2026-02-22 → 2026-07-25 · 3 obs
○ 2018-07-29 03:48:42
● 2026-02-22 21:35:32
● 2026-07-25 11:06:20
●NSns3.xserver.jp2026-02-22 → 2026-07-25 · 3 obs
○ 2018-07-29 03:48:42
● 2026-02-22 21:35:32
● 2026-07-25 11:06:20
●NSns4.xserver.jp2026-02-22 → 2026-07-25 · 3 obs
○ 2018-07-29 03:48:42
● 2026-02-22 21:35:32
● 2026-07-25 11:06:20
●NSns5.xserver.jp2026-02-22 → 2026-07-25 · 3 obs
○ 2018-07-29 03:48:42
● 2026-02-22 21:35:32
● 2026-07-25 11:06:20
○NSnsas1.firstserver.ne.jp2015-06-07 → 2016-12-26 · 4 obs
● 2015-06-07 13:37:12
● 2016-12-26 04:08:20
○ 2018-07-29 03:48:42
○ 2026-07-25 11:06:20
○NSnsas2.firstserver.ne.jp2015-06-07 → 2016-12-26 · 4 obs
● 2015-06-07 13:37:12
● 2016-12-26 04:08:20
○ 2018-07-29 03:48:42
○ 2026-07-25 11:06:20
○MXmail.ryu-dh.com2015-06-07 → 2018-07-29 · 4 obs
● 2015-06-07 13:37:12
● 2018-07-29 03:48:42
○ 2026-02-22 21:35:32
○ 2026-07-25 11:06:20
○MXmx1.firstserver.ne.jp2015-06-07 → 2016-12-26 · 4 obs
● 2015-06-07 13:37:12
● 2016-12-26 04:08:20
○ 2018-07-29 03:48:42
○ 2026-07-25 11:06:20
○MXmx2.firstserver.ne.jp2015-06-07 → 2016-12-26 · 4 obs
● 2015-06-07 13:37:12
● 2016-12-26 04:08:20
○ 2018-07-29 03:48:42
○ 2026-07-25 11:06:20
○A154.34.35.1772018-07-29 → 2018-07-29 · 4 obs
○ 2016-12-26 04:08:20
● 2018-07-29 03:48:42
○ 2026-02-22 21:35:32
○ 2026-07-25 11:06:20
○A203.145.250.1152015-06-07 → 2016-12-26 · 4 obs
● 2015-06-07 13:37:12
● 2016-12-26 04:08:20
○ 2018-07-29 03:48:42
○ 2026-07-25 11:06:20
●A85.131.213.482026-02-22 → 2026-07-25 · 3 obs
○ 2018-07-29 03:48:42
● 2026-02-22 21:35:32
● 2026-07-25 11:06:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...-
ryu-dh.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 ryu-dh.com (unsigned zone)

⏱️ Timing

Total: 1244ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.213.48
NS5ns3.xserver.jp, ns4.xserver.jp...
TXT1v=spf1 +a:sv16667.xserver.jp +a:ryu-dh.c
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

mail.ryu-dh.com is a subdomain of ryu-dh.com.

IP Addresses

ryu-dh.com has exactly one IP address — 85.131.213.48.

mx.maruhidetouken.com, shinko-shoji.com, mta.shinko-shoji.com plus two other host names have IP numbers in common with ryu-dh.com.

Name Servers

Five name servers handle delegation for ryu-dh.com: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

The name servers of ryu-dh.com overlap at least partially with those of other domains — among them jirob.net, kiraripan.com, sousenji.com and two more.

These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names carrying three IP numbers:

ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names resolving to a single IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.