`concerto.jp`

DNSSEC	⚠️ Not signed
NS	`ns1.sixcore.ne.jp` ⚠️ Not in zone NS records
		A	202.226.36.232^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.sixcore.ne.jp`
NS	`ns2.sixcore.ne.jp` ⚠️ Not in zone NS records
		A	202.226.39.241^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns2.sixcore.ne.jp`

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1774517402

Same first word

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cocentro.com

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centocor.com.cn

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cronotec.cl

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concreto.pl

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cronotec.es

cocorent.com

centocor.be

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centocor.science

croconet.com

corconte.es

concreto.co

DNS History

2 records (2 active, 0 former)

●NSns1.sixcore.ne.jp2026-03-25 → 2026-03-26 · 2 obs

● 2026-03-25 15:30:20
● 2026-03-26 10:06:06

●NSns2.sixcore.ne.jp2026-03-25 → 2026-03-26 · 2 obs

● 2026-03-25 15:30:20
● 2026-03-26 10:06:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	b.dns.jp, f.dns.jp, a.dns.jp, g.dns.jp...	-
concerto.jp	ns1.sixcore.ne.jp, ns2.sixcore.ne.jp	2 records

✅ Authoritative Response

Server:202.226.36.232

NS records: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concerto.jp (unsigned zone)

⏱️ Timing

Total: 858ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.sixcore.ne.jp, ns1.sixcore.ne.jp)

Analysis

Name Servers

concerto.jp is delegated to two name servers: ns1.sixcore.ne.jp and ns2.sixcore.ne.jp.

concerto.jp shares the same name server setup as other domains, for example sixcore.jp, toaster.jp, analysis.jp, newspaper.jp and aid.jp.

concerto.jp at least partially shares name servers with other domains, for instance laricbis.com, toko-navi.com, saimu-seiri.jp, unatech-chemical.co.jp and my-michi.com.

These name servers are commonly used with the name servers ns3.sixcore.ne.jp.

Host names with one IP number:

The host ns1.sixcore.ne.jp points to 202.226.36.232 and the host ns2.sixcore.ne.jp points to 202.226.39.241.

concerto.jp - robtex.com

concerto.jp

jp