`ns.dancing.co.jp`

DNSSEC	⚠️ Not signed
A	57.181.234.18^{🇯🇵 Amazon57.180.0.0/14 EC2}
		PTR	`ec2-57-181-234-18.ap-northeast-1.compute.amazonaws.com`

`dancing.co.jp`

	DNSSEC	⚠️ Not signed
	A	57.181.234.18^{🇯🇵 Amazon57.180.0.0/14 EC2}
	NS	`ns.dancing.co.jp` ⭐ ⚠️ Not in parent delegation
	NS	`ns101.mail-office.biz` ⚠️ Not in zone NS records
	NS	`ns101.mail-office.net` ⚠️ Not in zone NS records
	MX	`mail.dancing.co.jp` ⭐
	TXT	`v=spf1 +a +mx +ip4:57.181.234.18 -all`
	SOA	`ns.dancing.co.jp`info@dancing.co.jp 2026-07-13 #2

NS for

dancing.co.jp

Same first word

ns.co.kr

ns.nikolaev.ua

ns.kz

ns.ie

ns.kg

ns.free

ns.te.ua

ns.sb

ns.ac.rs

ns.gov.gu

ns.do

ns.kinghost.net

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ns.gov.mv

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ns.world

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ns.sx

ns.cm

ns.od.ua

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ns.gob.cl

ns.si

ns.net.au

ns.cards

ns.gov.my

ns.gq

ns.synology.me

ns.myshopify.com

ns.gl

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ns.odessa.ua

ns.ly

ns.gov

ns.ee

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ns.gu

ns.com.py

ns.lviv.ua

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ns.nhs.uk

ns.org

ns.rs

ns.cq.cn

ns.uz

ns.org.tw

ns.de

ns.ba

ns.spb.su

ns.net.br

ns.mk

ns.cc

ns.shop.pl

ns.dk

ns.zp.ua

ns.co.nz

ns.money

ns.biz

ns.tr

ns.gov.mn

ns.is

ns.be

ns.uy

ns.games

ns.ro

ns.ma

ns.life

ns.ac.me

ns.org.hk

ns.nt.ro

ns.msk.ru

ns.gov.ee

ns.lt.ua

ns.legal

ns.net.cn

ns.ao

Similar names

sn.ru

sn.cm

sn.lutsk.ua

sn.net

sn.cx

sn.nl

sn.com

sn.cz

sn.at

sn.to

sn.click

sn.pl

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sn.vc

sn.kz

sn.co

sn.dk

sn.ac.th

sn.ro

sn.ai

sn.com.ua

sn

sn.pub

sn.sg

sn.fyi

DNS History

4 records (1 active, 3 former)

○A157.7.163.122016-10-23 → 2016-11-10 · 5 obs

○ 2015-06-10 05:54:54
● 2016-10-23 00:55:48
● 2016-11-10 20:02:38
○ 2026-03-01 00:56:34
○ 2026-07-31 14:37:16

○A157.7.164.122026-03-01 → 2026-03-01 · 4 obs

○ 2016-11-10 20:02:38
● 2026-03-01 00:56:34
○ 2026-03-08 10:54:14
○ 2026-07-31 14:37:16

○A157.7.166.1032015-06-10 → 2015-06-10 · 3 obs

● 2015-06-10 05:54:54
○ 2016-10-23 00:55:48
○ 2026-07-31 14:37:16

●A57.181.234.182026-03-08 → 2026-07-31 · 3 obs

○ 2026-03-01 00:56:34
● 2026-03-08 10:54:14
● 2026-07-31 14:37:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
dancing.co.jp	ns101.mail-office.biz, ns101.mail-office.net	-

✅ Authoritative Response

Server:57.181.234.18

NS records: ns101.mail-office.biz, ns101.mail-office.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dancing.co.jp (unsigned zone)

⏱️ Timing

Total: 1277ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`57.181.234.18`

Analysis

Name Server Role

dancing.co.jp is delegated to ns.dancing.co.jp as a name server.

The name servers ns101.mail-office.biz and ns101.mail-office.net are often paired with ns.dancing.co.jp.

IP Addresses

ns.dancing.co.jp directs to one IP number, which is 57.181.234.18.

Among the host names that share IP numbers with ns.dancing.co.jp are ns003.mail-office.net, s-fld.jp, ns001.mail-office.biz and two others.

ns.dancing.co.jp - robtex.com

ns.dancing.co.jp

dancing.co.jp