ryusys.com - robtex.com

ryusys.com

DNSSEC⚠️ Not signed
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp ⚠️ Not in parent delegation
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp ⚠️ Not in parent delegation
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A142.250.141.26🇺🇸 Google142.250.141.0/24
PTRdd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx4.googlemail.com(30)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXaspmx5.googlemail.com(30)
A2607:f8b0:4003:c4a::1a🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f26.1e100.net
A142.251.96.26🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f26.1e100.net
TXTv=spf1 ip4:125.206.51.170 ip4:111.68.214.94 ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1401957057

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=1774613327
WOT: SAFE (50/100)

Subdomains

hst.ryusys.com

Same first word

ryusys.com

Similar names

syryus.com

DNS History

10 records (10 active, 0 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXalt1.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.com
●NS01.dnsv.jp2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40
●NS02.dnsv.jp2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40
●NS03.dnsv.jp2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40
●NS04.dnsv.jp2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40
●MXalt1.aspmx.l.google.com2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40
●MXaspmx.l.google.com2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40
●MXaspmx2.googlemail.com2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40
●MXaspmx3.googlemail.com2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40
●MXaspmx4.googlemail.com2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40
●MXaspmx5.googlemail.com2015-07-19 → 2026-03-27 · 2 obs
● 2015-07-19 00:43:16
● 2026-03-27 12:14:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net...-
ryusys.com01.dnsv.jp, 02.dnsv.jp-

✅ Authoritative Response

Server:157.7.32.53

NS records: 01.dnsv.jp, 02.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ryusys.com (unsigned zone)

⏱️ Timing

Total: 1217ms | Queries: -

📄 Records

TypeCountSample Data
NS401.dnsv.jp, 02.dnsv.jp...
MX6aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT1v=spf1 ip4:125.206.51.170 ip4:111.68.214
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

Hierarchy

ryusys.com is the parent of hst.ryusys.com.

Name Servers

ryusys.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

ryusys.com at least partially shares name servers with other domains, for instance aibajio.jp, kensayaku.net, gtr-world.net, c-t.jp and works240.net.

Host names with two IP numbers:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

ryusys.com is served by six mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com and alt1.aspmx.l.google.com.

ryusys.com shares some mail servers with other domains, at least partially, for instance ns500759.ns500758.ns500698.ns500698.ns500758.ns500735.ns500698.ns500736.ns500736.ns500698.ns500708.ns500652.trackreceptor.com, comberry.de, ns500731.ns500754.ns500754.ns500731.ns500742.ns500731.ns500704.ns500688.ns500671.ns500678.ns500666.lustychickser.com, strategycoglobal.com and ns500698.ns500758.ns500698.ns500735.ns500698.ns500698.ns500736.ns500735.ns500698.ns500698.ns500698.ns500698.ns500708.ns500698.ns500652.trackreceptor.com.

these mail servers are often used alongside alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27.

aspmx3.googlemail.com points to 2a00:1450:400b:c02::1a and 172.253.116.26.

aspmx4.googlemail.com points to 2607:f8b0:4023:3003::1a and 172.253.145.26.

aspmx5.googlemail.com points to 2607:f8b0:4003:c4a::1a and 142.251.96.26.

aspmx.l.google.com points to 2607:f8b0:4023:c0d::1b and 142.250.141.26.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.26.