`ryukyu-tech-bridge.com`

DNSSEC	⚠️ Not signed
A	153.122.2.181^{🇯🇵 AS131921153.122.0.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
		PTR	`ryukyu-tech-bridge.com`
NS	`ns2.namedserver.net` ⭐
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
NS	`ns.namedserver.net`
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
MX	`ryukyu-tech-bridge.com` ⭐
		A	153.122.2.181^{🇯🇵 AS131921153.122.0.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
			PTR	`ryukyu-tech-bridge.com`
SOA	`ns.namedserver.net`root@namedserver.net serial=2

`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=1778859826

PTR for

181.2.122.153.in-addr.arpa

MX for

ryukyu-tech-bridge.com

Same first word

ryukyu-tech-bridge.com

DNS History

4 records (4 active, 0 former)

●NSns.namedserver.net2020-03-28 → 2026-05-15 · 2 obs

● 2020-03-28 05:31:54
● 2026-05-15 16:01:40

●NSns2.namedserver.net2020-03-28 → 2026-05-15 · 2 obs

● 2020-03-28 05:31:54
● 2026-05-15 16:01:40

●MXryukyu-tech-bridge.com2020-03-28 → 2026-05-15 · 2 obs

● 2020-03-28 05:31:54
● 2026-05-15 16:01:40

●A153.122.2.1812020-03-28 → 2026-05-15 · 2 obs

● 2020-03-28 05:31:54
● 2026-05-15 16:01:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ryukyu-tech-bridge.com	ns.namedserver.net, ns2.namedserver.net	-

✅ Authoritative Response

Server:157.120.114.212

NS records: ns.namedserver.net, ns2.namedserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ryukyu-tech-bridge.com (unsigned zone)

⏱️ Timing

Total: 1397ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.2.181`
NS	2	`ns.namedserver.net, ns2.namedserver.net`
MX	1	`ryukyu-tech-bridge.com (pri: 100)`
SOA	1	`ns.namedserver.net root.namedserver.net`

Analysis

Mail Server Role

The mail server for ryukyu-tech-bridge.com is ryukyu-tech-bridge.com.

IP Addresses

ryukyu-tech-bridge.com maps to IP address 153.122.2.181.

Name Servers

Two name servers ns2.namedserver.net and ns.namedserver.net are delegated to ryukyu-tech-bridge.com.

ryukyu-tech-bridge.com uses the same name server configuration as other domains, such as 172.61.122.153.in-addr.arpa, sub0000526179.hmk-temp.com, wakamaru.co.jp, paxos.sv-mgr.net and at-ss.com.

ryukyu-tech-bridge.com shares some name servers with other domains, for example 46.28.157.210.in-addr.arpa.

Host names with three IP numbers

ns2.namedserver.net points to: 157.120.112.212, 157.120.113.212 and 157.120.114.212

ns.namedserver.net points to: 157.120.112.212, 157.120.113.212 and 157.120.114.212

Note that ns2.namedserver.net and ns.namedserver.net both point to the same three IPs: 157.120.112.212, 157.120.113.212 and 157.120.114.212

Names pointing to 157.120.112.212: ns2.namedserver.net and ns.namedserver.net

Names pointing to 157.120.113.212: ns2.namedserver.net and ns.namedserver.net

Names pointing to 157.120.114.212: ns2.namedserver.net and ns.namedserver.net

Mail Servers

One mail server serves ryukyu-tech-bridge.com.

ryukyu-tech-bridge.com points to one IP number: 153.122.2.181.

ryukyu-tech-bridge.com - robtex.com