ryu-tsu.com - robtex.com

ryu-tsu.com

DNSSEC⚠️ Not signed
A2603:c021:8002:ac01:c181:2d1a:caba:1795🇯🇵 ORACLE-OCI-318982603:c021:8000::/35
A132.226.11.12🇯🇵 ORACLE-OCI-31898132.226.0.0/20
NSns1.p68.dns.oraclecloud.net ⭐
A2600:2000:2100::ca🇺🇸 ORACLE-OCI-318982600:2000:2100::/44 Dynamic Network Services, Inc.
PTRns1.p202.dns.oraclecloud.net
A108.59.166.202🇺🇸 ORACLE-OCI-31898108.59.166.0/23 Dynamic Network Services, Inc.
PTRns1.p202.dns.oraclecloud.net
NSns2.p68.dns.oraclecloud.net
A2600:2000:2110::ca🇺🇸 ORACLE-OCI-318982600:2000:2110::/44 Dynamic Network Services, Inc.
PTRns2.p202.dns.oraclecloud.net
A108.59.168.202🇺🇸 ORACLE-OCI-31898108.59.168.0/23 Dynamic Network Services, Inc.
PTRns2.p202.dns.oraclecloud.net
NSns3.p68.dns.oraclecloud.net
A2600:2000:2120::ca🇺🇸 ORACLE-OCI-318982600:2000:2120::/44 Dynamic Network Services, Inc.
PTRns3.p202.dns.oraclecloud.net
A108.59.170.202🇺🇸 ORACLE-OCI-31898108.59.170.0/23 Dynamic Network Services, Inc.
PTRns3.p202.dns.oraclecloud.net
NSns4.p68.dns.oraclecloud.net
A2600:2000:2130::ca🇺🇸 ORACLE-OCI-318982600:2000:2130::/44 Dynamic Network Services, Inc.
PTRns4.p202.dns.oraclecloud.net
A108.59.172.202🇺🇸 ORACLE-OCI-31898108.59.172.0/23 Dynamic Network Services, Inc.
PTRns4.p202.dns.oraclecloud.net
MXmail.ryu-tsu.com ⭐
A2603:c021:8002:ac01:f2d3:3745:9975:643🇯🇵 ORACLE-OCI-318982603:c021:8000::/35
A158.101.69.33🇯🇵 ORACLE-OCI-31898158.101.64.0/19
PTRmail-nlb.no1-server28.com
TXTv=spf1 include:spf.no1-server28.com -all
SOAns1.p68.dns.oraclecloud.nethostmaster@ryu-tsu.com serial=48

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=1776264717
WOT: SAFE (61/100)

Previously MX for

ryu-tsu.com

Subdomains

mail.ryu-tsu.com

Same first word

ryu-tsu.co.jp
ryu-tsu.com
ryu-tsu.sakura.ne.jp

Similar names

rust-yu.pro

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSns1.p68.dns.oraclecloud.netns2.p68.dns.oraclecloud.netns3.p68.dns.oraclecloud.netns4.p68.dns.oraclecloud.netns-219.dns.jp-e1.cloudn-service.comns-220.dns.jp-w1.cloudn-service.comns-221.dns.us-e1.cloudn-service.comns.ryu-tsu.comns1.secure.netns2.secure.netMXmail.ryu-tsu.comryu-tsu.comA132.226.11.122603:c021:8002:ac01:c181:2d1a:caba:1795180.222.181.16060.43.195.166
○NSns-219.dns.jp-e1.cloudn-service.com2016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-08 21:16:02
● 2016-03-18 22:26:18
○ 2016-07-21 22:46:28
○ 2026-04-15 15:14:12
○NSns-220.dns.jp-w1.cloudn-service.com2016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-08 21:16:02
● 2016-03-18 22:26:18
○ 2016-07-21 22:46:28
○ 2026-04-15 15:14:12
○NSns-221.dns.us-e1.cloudn-service.com2016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-08 21:16:02
● 2016-03-18 22:26:18
○ 2016-07-21 22:46:28
○ 2026-04-15 15:14:12
○NSns.ryu-tsu.com2016-07-21 → 2017-04-08 · 5 obs
○ 2016-03-18 22:26:18
● 2016-07-21 22:46:28
● 2017-04-08 00:59:38
○ 2026-04-05 19:34:56
○ 2026-04-15 15:14:12
●NSns1.p68.dns.oraclecloud.net2026-04-05 → 2026-04-15 · 3 obs
○ 2017-04-08 00:59:38
● 2026-04-05 19:34:56
● 2026-04-15 15:14:12
○NSns1.secure.net2015-08-18 → 2015-12-08 · 4 obs
● 2015-08-18 20:04:56
● 2015-12-08 21:16:02
○ 2016-03-18 22:26:18
○ 2026-04-15 15:14:12
●NSns2.p68.dns.oraclecloud.net2026-04-05 → 2026-04-15 · 3 obs
○ 2017-04-08 00:59:38
● 2026-04-05 19:34:56
● 2026-04-15 15:14:12
○NSns2.secure.net2015-08-18 → 2015-12-08 · 4 obs
● 2015-08-18 20:04:56
● 2015-12-08 21:16:02
○ 2016-03-18 22:26:18
○ 2026-04-15 15:14:12
●NSns3.p68.dns.oraclecloud.net2026-04-05 → 2026-04-15 · 3 obs
○ 2017-04-08 00:59:38
● 2026-04-05 19:34:56
● 2026-04-15 15:14:12
●NSns4.p68.dns.oraclecloud.net2026-04-05 → 2026-04-15 · 3 obs
○ 2017-04-08 00:59:38
● 2026-04-05 19:34:56
● 2026-04-15 15:14:12
●MXmail.ryu-tsu.com2016-07-21 → 2026-04-15 · 3 obs
○ 2016-03-18 22:26:18
● 2016-07-21 22:46:28
● 2026-04-15 15:14:12
○MXryu-tsu.com2015-08-18 → 2016-03-18 · 4 obs
● 2015-08-18 20:04:56
● 2016-03-18 22:26:18
○ 2016-07-21 22:46:28
○ 2026-04-15 15:14:12
●A132.226.11.122026-04-05 → 2026-04-15 · 3 obs
○ 2017-04-08 00:59:38
● 2026-04-05 19:34:56
● 2026-04-15 15:14:12
○A180.222.181.1602016-07-21 → 2017-04-08 · 5 obs
○ 2016-03-18 22:26:18
● 2016-07-21 22:46:28
● 2017-04-08 00:59:38
○ 2026-04-05 19:34:56
○ 2026-04-15 15:14:12
●A2603:c021:8002:ac01:c181:2d1a:caba:17952026-04-05 → 2026-04-15 · 3 obs
○ 2017-04-08 00:59:38
● 2026-04-05 19:34:56
● 2026-04-15 15:14:12
○A60.43.195.1662015-08-18 → 2016-03-18 · 4 obs
● 2015-08-18 20:04:56
● 2016-03-18 22:26:18
○ 2016-07-21 22:46:28
○ 2026-04-15 15:14:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...-
ryu-tsu.comns1.p68.dns.oraclecloud.net, ns2.p68.dns.oraclecloud.net, ns3.p68.dns.oraclecloud.net, ns4.p68.dns.oraclecloud.net-

✅ Authoritative Response

Server:108.59.166.202

NS records: ns1.p68.dns.oraclecloud.net, ns2.p68.dns.oraclecloud.net, ns3.p68.dns.oraclecloud.net, ns4.p68.dns.oraclecloud.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ryu-tsu.com (unsigned zone)

⏱️ Timing

Total: 972ms | Queries: -

📄 Records

TypeCountSample Data
A1132.226.11.12
AAAA12603:c021:8002:ac01:c181:2d1a:caba:1795
NS4ns1.p68.dns.oraclecloud.net, ns3.p68.dns.oraclecloud.net...
MX1mail.ryu-tsu.com (pri: 10)
TXT1v=spf1 include:spf.no1-server28.com -all
SOA1ns1.p68.dns.oraclecloud.net hostmaster.r

Analysis

Hierarchy

The parent of mail.ryu-tsu.com is ryu-tsu.com.

IP Addresses

ryu-tsu.com points to two IP numbers: 2603:c021:8002:ac01:c181:2d1a:caba:1795 and 132.226.11.12.

Other host names such as d1-tetsu.com, marui-kyoto.com, tensojinja.com, b-dash-anchor.com and mieko-koseki.com share IPs with ryu-tsu.com.

Name Servers

ryu-tsu.com is delegated to four name servers: ns1.p68.dns.oraclecloud.net, ns2.p68.dns.oraclecloud.net, ns3.p68.dns.oraclecloud.net and ns4.p68.dns.oraclecloud.net.

ryu-tsu.com at least partially shares name servers with other domains, for instance andrea.com.mx, h-bankin.co.jp, fppaco.org, vercellone.us and ap-hyderabad-1.oci.oraclecloud.com.

these name servers are commonly used with ns1.p202.dns.oraclecloud.net, ns2.p202.dns.oraclecloud.net, ns3.p202.dns.oraclecloud.net and ns4.p202.dns.oraclecloud.net.

Host names with two IP numbers: ns1.p68.dns.oraclecloud.net points to 2600:2000:2100::ca and 108.59.166.202; ns2.p68.dns.oraclecloud.net points to 2600:2000:2110::ca and 108.59.168.202; ns3.p68.dns.oraclecloud.net points to 2600:2000:2120::ca and 108.59.170.202; ns4.p68.dns.oraclecloud.net points to 2600:2000:2130::ca and 108.59.172.202.

Mail Servers

ryu-tsu.com is handled by a single mail server, mail.ryu-tsu.com.

mail.ryu-tsu.com points to two IPs: 2603:c021:8002:ac01:f2d3:3745:9975:643 and 158.101.69.33.