`yco.jp`

DNSSEC	⚠️ Not signed
NS	`ns1.dns.ne.jp` ⚠️ Not in zone NS records
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp` ⚠️ Not in zone NS records
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.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=1773558003

Previously MX for

yco.jp

Same first word

yco.com.au

yco.eu

yco.es

yco.me

yco.co

yco.cn

yco.co.uk

yco.ir

yco.com.br

yco.jp

yco.cc

yco.de

yco.com.ar

yco.it

yco.com

yco.cz

yco.co.jp

yco.be

yco.org

yco.org.ar

yco.com.tw

yco.us

Similar names

coy.no

cyo.cl

ocy.be

cyo.cz

ocy.com

cyo.camp

yoc.org

oyc.com

cyo.tools

coy.nl

cyo.ch

oyc.de

ocy.org

yoc.nl

oyc.info

coy.ca

yoc.es

oyc.ca

cyo.cc

oyc.co.jp

yoc.cz

yoc.ru

coy.com

oyc.mobi

cyo.to

cyo.de

ocy.ca

oyc.cz

yoc.at

yoc.dk

coy.pl

oyc.net

ocy.cn

yoc.ch

yoc.fr

ocy.in

coy.co.il

oyc.it

coy.ch

oyc.jp

yoc.de

oyc.cc

yoc.org.mo

coy.be

oyc.us

ocy.de

cyo.se

coy.at

coy.mobi

cyo.es

cyo.mx

ocy.co

yoc.cn

cyo.com.au

oyc.org

yoc.se

ocy.ir

cyo.com

coy.biz

coy.cloud

oyc.at

cyo.net

yoc.co

oyc.cn

coy.de

ocy.ru

coy.co

cyo.me

oyc.ir

oyc.se

yoc.us

oyc.nl

coy.ru

cyo.com.cn

coy.fr

yoc.ca

coy.me.uk

yoc.jp

cyo.com.tw

cyo.on.ca

ocy.net

yoc.com

cyo.edu.au

oyc.mx

yoc.eu

coy.in

cyo.ie

oyc.ru

cyo.at

oyc.co

oyc.org.uk

cyo.ru

cyo.be

cyo.nl

coy.org

coy.tw

ocy.us

coy.cn

coy.im

cyo.in

cyo.xyz

cyo.mobi

cyo.fr

oyc.es

oyc.cl

coy.cz

cyo.net.cn

oyc.eu

oyc.in

coy.se

ocy.it

coy.us

coy.jp

yoc.com.au

oyc.ch

yoc.tech

coy.ir

DNS History

18 records (2 active, 16 former)

○NS01.dnsv.jp2016-01-05 → 2016-12-20 · 5 obs

○ 2015-11-02 00:12:34
● 2016-01-05 01:06:32
● 2016-12-20 19:44:22
○ 2020-01-16 10:15:58
○ 2026-03-22 15:45:20

○NS02.dnsv.jp2016-01-05 → 2016-12-20 · 5 obs

○ 2015-11-02 00:12:34
● 2016-01-05 01:06:32
● 2016-12-20 19:44:22
○ 2020-01-16 10:15:58
○ 2026-03-22 15:45:20

○NS03.dnsv.jp2016-01-05 → 2016-12-20 · 5 obs

○ 2015-11-02 00:12:34
● 2016-01-05 01:06:32
● 2016-12-20 19:44:22
○ 2020-01-16 10:15:58
○ 2026-03-22 15:45:20

○NS04.dnsv.jp2016-01-05 → 2016-12-20 · 5 obs

○ 2015-11-02 00:12:34
● 2016-01-05 01:06:32
● 2016-12-20 19:44:22
○ 2020-01-16 10:15:58
○ 2026-03-22 15:45:20

○NSdns01.park.onamae.com2015-06-18 → 2015-11-02 · 4 obs

● 2015-06-18 15:12:44
● 2015-11-02 00:12:34
○ 2016-01-05 01:06:32
○ 2026-03-22 15:45:20

○NSdns02.park.onamae.com2015-06-18 → 2015-11-02 · 4 obs

● 2015-06-18 15:12:44
● 2015-11-02 00:12:34
○ 2016-01-05 01:06:32
○ 2026-03-22 15:45:20

●NSns1.dns.ne.jp2026-03-20 → 2026-03-22 · 3 obs

○ 2020-01-16 10:15:58
● 2026-03-20 23:46:02
● 2026-03-22 15:45:20

○NSns1.gmointernet.com2015-06-18 → 2015-11-02 · 4 obs

● 2015-06-18 15:12:44
● 2015-11-02 00:12:34
○ 2016-01-05 01:06:32
○ 2026-03-22 15:45:20

○NSns1.xserver.jp2020-01-16 → 2020-01-16 · 4 obs

○ 2016-12-20 19:44:22
● 2020-01-16 10:15:58
○ 2026-03-20 23:46:02
○ 2026-03-22 15:45:20

●NSns2.dns.ne.jp2026-03-20 → 2026-03-22 · 3 obs

○ 2020-01-16 10:15:58
● 2026-03-20 23:46:02
● 2026-03-22 15:45:20

○NSns2.xserver.jp2020-01-16 → 2020-01-16 · 4 obs

○ 2016-12-20 19:44:22
● 2020-01-16 10:15:58
○ 2026-03-20 23:46:02
○ 2026-03-22 15:45:20

○NSns3.xserver.jp2020-01-16 → 2020-01-16 · 4 obs

○ 2016-12-20 19:44:22
● 2020-01-16 10:15:58
○ 2026-03-20 23:46:02
○ 2026-03-22 15:45:20

○NSns4.xserver.jp2020-01-16 → 2020-01-16 · 4 obs

○ 2016-12-20 19:44:22
● 2020-01-16 10:15:58
○ 2026-03-20 23:46:02
○ 2026-03-22 15:45:20

○NSns5.xserver.jp2020-01-16 → 2020-01-16 · 4 obs

○ 2016-12-20 19:44:22
● 2020-01-16 10:15:58
○ 2026-03-20 23:46:02
○ 2026-03-22 15:45:20

○MXyco.jp2020-01-16 → 2020-01-16 · 3 obs

● 2020-01-16 10:15:58
○ 2026-03-20 23:46:02
○ 2026-03-22 15:45:20

○A183.181.89.1612020-01-16 → 2020-01-16 · 4 obs

○ 2016-12-20 19:44:22
● 2020-01-16 10:15:58
○ 2026-03-20 23:46:02
○ 2026-03-22 15:45:20

○A192.64.147.1502016-01-05 → 2016-12-20 · 5 obs

○ 2015-11-02 00:12:34
● 2016-01-05 01:06:32
● 2016-12-20 19:44:22
○ 2020-01-16 10:15:58
○ 2026-03-22 15:45:20

○A210.157.1.1342015-06-18 → 2015-11-02 · 4 obs

● 2015-06-18 15:12:44
● 2015-11-02 00:12:34
○ 2016-01-05 01:06:32
○ 2026-03-22 15:45:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	h.dns.jp, f.dns.jp, b.dns.jp, d.dns.jp...	-
yco.jp	ns1.dns.ne.jp, ns2.dns.ne.jp	2 records

✅ Authoritative Response

Server: 133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yco.jp (unsigned zone)

⏱️ Timing

Total: 557ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

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

Analysis

Name Servers

yco.jp is delegated to two name servers: ns1.dns.ne.jp and ns2.dns.ne.jp.

yco.jp uses the same name server setup as other domains, for instance kubota-j.com, kagaparfait.com, mip-j.com, hiraboku.sakura.ne.jp and yosoku.website.

yco.jp shares name servers with other domains at least partially, for instance h-exp.or.jp, kanesawa.net, risefild.com, nexcs.co.jp and re-factory.com.

these name servers are often used together with the name servers master.dns.ne.jp.

Host names with one IP number:

ns1.dns.ne.jp points to: 61.211.236.1.

ns2.dns.ne.jp points to: 133.167.21.1.

yco.jp - robtex.com

yco.jp

jp

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`yco.jp`

`jp`