`opus-u.com`

DNSSEC	⚠️ Not signed
A	160.251.148.185^{🇯🇵 GMOOSK-NET160.251.148.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`www1087.onamae.ne.jp`
NS	`ns-rs1.gmoserver.jp` ⭐
		A	157.7.32.87^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`ns-rs1.gmoserver.jp`
NS	`ns-rs2.gmoserver.jp`
		A	157.7.33.87^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`ns-rs2.gmoserver.jp`
MX	`mx1027.onamae.ne.jp` ⭐
		A	160.251.148.176^{🇯🇵 GMOOSK-NET160.251.148.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mail1027.onamae.ne.jp`
TXT	`v=spf1 include:_spf.onamae.ne.jp ~all`
SOA	`ns-rs1.gmoserver.jp`hostmaster@opus-u.com 2019-05-04 #10

`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=1774416637

Same first word

opus-u.com

Similar names

oup-us.com

DNS History

6 records (4 active, 2 former)

●NSns-rs1.gmoserver.jp2019-12-15 → 2026-03-25 · 2 obs

● 2019-12-15 21:26:56
● 2026-03-25 05:32:28

●NSns-rs2.gmoserver.jp2019-12-15 → 2026-03-25 · 2 obs

● 2019-12-15 21:26:56
● 2026-03-25 05:32:28

●MXmx1027.onamae.ne.jp2026-02-28 → 2026-03-25 · 3 obs

○ 2019-12-15 21:26:56
● 2026-02-28 13:01:52
● 2026-03-25 05:32:28

○MXmx5.onamae.ne.jp2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 21:26:56
○ 2026-02-28 13:01:52
○ 2026-03-25 05:32:28

●A160.251.148.1852026-02-28 → 2026-03-25 · 3 obs

○ 2019-12-15 21:26:56
● 2026-02-28 13:01:52
● 2026-03-25 05:32:28

○A163.44.187.1512019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 21:26:56
○ 2026-02-28 13:01:52
○ 2026-03-25 05:32:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
opus-u.com	ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp	-

✅ Authoritative Response

Server:157.7.32.87

NS records: ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opus-u.com (unsigned zone)

⏱️ Timing

Total: 1429ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.251.148.185`
NS	2	`ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp`
MX	1	`mx1027.onamae.ne.jp (pri: 10)`
TXT	1	`v=spf1 include:_spf.onamae.ne.jp ~all`
SOA	1	`ns-rs1.gmoserver.jp hostmaster.opus-u.co`

Analysis

IP Addresses

opus-u.com points to IP number: 160.251.148.185.

Other host names such as bbschool.jp, kc-s.net, quickengineering.co.jp, air-con.club and ringo-dou.com share IPs with opus-u.com.

Name Servers

opus-u.com is delegated to two name servers: ns-rs1.gmoserver.jp and ns-rs2.gmoserver.jp.

opus-u.com shares the same name server setup as niners.jp, oldmap.info, curet.jp, plus01.net and chabi-chabi.com.

Host names with a single IP:

ns-rs1.gmoserver.jp points to 157.7.32.87.

ns-rs2.gmoserver.jp points to 157.7.33.87.

Mail Servers

opus-u.com is handled by a single mail server, mx1027.onamae.ne.jp.

The mail server setup for opus-u.com matches that of other domains, for instance shinka.biz, waysas.co.jp, madesign.jp, mt-media.jp and acs-mn.com.

mx1027.onamae.ne.jp points to a single IP: 160.251.148.176.

opus-u.com - robtex.com

opus-u.com

com