`koyo-system.com`

DNSSEC	⚠️ Not signed
A	118.238.223.174^{🇯🇵 So-net118.238.192.0/18 Sony Network Communications Inc.}
		PTR	`fs76eedfae.knge002.ap.nuro.jp`
NS	`ns11.value-domain.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.52.98^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.184^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.161^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns12.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.53.86^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.53.188^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns13.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.98^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.184^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.value-domain.com` ⚠️ Not in parent delegation
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.53.115^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.value-domain.com`hostmaster@koyo-system.com 2020-08-26 #23

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776190977

Same first word

koyo-system.com

DNS History

6 records (6 active, 0 former)

●NSns1.value-domain.com2026-03-14 → 2026-04-14 · 3 obs

○ 2017-08-15 01:55:02
● 2026-03-14 09:58:46
● 2026-04-14 18:28:34

●NSns11.value-domain.com2017-08-15 → 2026-04-14 · 2 obs

● 2017-08-15 01:55:02
● 2026-04-14 18:28:34

●NSns12.value-domain.com2017-08-15 → 2026-04-14 · 2 obs

● 2017-08-15 01:55:02
● 2026-04-14 18:28:34

●NSns13.value-domain.com2017-08-15 → 2026-04-14 · 2 obs

● 2017-08-15 01:55:02
● 2026-04-14 18:28:34

●NSns2.value-domain.com2026-03-14 → 2026-04-14 · 3 obs

○ 2017-08-15 01:55:02
● 2026-03-14 09:58:46
● 2026-04-14 18:28:34

●A118.238.223.1742017-08-15 → 2026-04-14 · 2 obs

● 2017-08-15 01:55:02
● 2026-04-14 18:28:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...	-
koyo-system.com	ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com	3 records

✅ Authoritative Response

Server:172.64.53.86

NS records: ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koyo-system.com (unsigned zone)

⏱️ Timing

Total: 395ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`118.238.223.174`
NS	2	`ns2.value-domain.com, ns1.value-domain.com`
SOA	1	`ns1.value-domain.com hostmaster.koyo-sys`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com)

Analysis

IP Addresses

koyo-system.com points to an IP address: 118.238.223.174.

Other host names, for instance fs76eedfae.knge002.ap.nuro.jp, share IP numbers with koyo-system.com.

Name Servers

koyo-system.com is delegated to five name servers: ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com, ns1.value-domain.com and ns2.value-domain.com.

koyo-system.com at least partially shares name servers with other domains, for instance teenidols.net, go-west.jp, any-thing.co.jp, ruf-k.com and ladys-market.com.