`bestconstruction.jp`

DNSSEC	⚠️ Not signed
A	161.202.152.212^{🇯🇵 SOFTLAYER161.202.128.0/19 -tok02}
		PTR	`d4.98.caa1.ip4.static.sl-reverse.com`
NS	`ns1.namegear.co` ⭐
		A	52.193.1.167^{🇯🇵 Amazon52.192.0.0/15 EC2 NRT prefix}
			PTR	`ns1.namegear.co`
NS	`ns2.namegear.co`
		A	52.192.222.140^{🇯🇵 Amazon52.192.0.0/15 EC2 NRT prefix}
			PTR	`ns2.namegear.co`
MX	`mail.bestconstruction.jp` ⭐
		A	52.197.128.153^{🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix}
			PTR	`mx01.ssl.owlet.work`
TXT	`v=spf1 ip4:52.197.128.153 ip4:161.202.152.212 ~all`
SOA	`ns1.namegear.co`hostmaster@namegear.co serial=2

`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=1774503003

Previously NS for

bestconstruction.jp

Subdomains

mail.bestconstruction.jp

Same first word

bestconstruction.info

bestconstruction.ca

bestconstruction.jp

DNS History

12 records (4 active, 8 former)

○NSbestconstruction.jp2017-06-10 → 2017-06-10 · 4 obs

○ 2016-11-27 22:59:10
● 2017-06-10 05:42:56
○ 2026-03-20 03:36:14
○ 2026-03-26 05:41:50

○NSdns01.muumuu-domain.com2017-06-10 → 2017-06-10 · 4 obs

○ 2016-11-27 22:59:10
● 2017-06-10 05:42:56
○ 2026-03-20 03:36:14
○ 2026-03-26 05:41:50

○NSdns02.muumuu-domain.com2017-06-10 → 2017-06-10 · 4 obs

○ 2016-11-27 22:59:10
● 2017-06-10 05:42:56
○ 2026-03-20 03:36:14
○ 2026-03-26 05:41:50

●NSns1.namegear.co2026-03-20 → 2026-03-26 · 3 obs

○ 2017-06-10 05:42:56
● 2026-03-20 03:36:14
● 2026-03-26 05:41:50

●NSns2.namegear.co2026-03-20 → 2026-03-26 · 3 obs

○ 2017-06-10 05:42:56
● 2026-03-20 03:36:14
● 2026-03-26 05:41:50

○NSns2.sppd.ne.jp2015-06-22 → 2016-11-27 · 4 obs

● 2015-06-22 08:11:42
● 2016-11-27 22:59:10
○ 2017-06-10 05:42:56
○ 2026-03-26 05:41:50

○NSns9.sppd.ne.jp2015-06-22 → 2016-11-27 · 4 obs

● 2015-06-22 08:11:42
● 2016-11-27 22:59:10
○ 2017-06-10 05:42:56
○ 2026-03-26 05:41:50

○NSvm0.bestconstruction.jp2015-06-22 → 2016-11-27 · 4 obs

● 2015-06-22 08:11:42
● 2016-11-27 22:59:10
○ 2017-06-10 05:42:56
○ 2026-03-26 05:41:50

●MXmail.bestconstruction.jp2017-06-10 → 2026-03-26 · 3 obs

○ 2016-11-27 22:59:10
● 2017-06-10 05:42:56
● 2026-03-26 05:41:50

○MXmb.bestconstruction.jp2015-06-22 → 2016-11-27 · 4 obs

● 2015-06-22 08:11:42
● 2016-11-27 22:59:10
○ 2017-06-10 05:42:56
○ 2026-03-26 05:41:50

●A161.202.152.2122017-06-10 → 2026-03-26 · 3 obs

○ 2016-11-27 22:59:10
● 2017-06-10 05:42:56
● 2026-03-26 05:41:50

○A202.212.133.442015-06-22 → 2016-11-27 · 4 obs

● 2015-06-22 08:11:42
● 2016-11-27 22:59:10
○ 2017-06-10 05:42:56
○ 2026-03-26 05:41:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	g.dns.jp, d.dns.jp, e.dns.jp, h.dns.jp...	-
bestconstruction.jp	ns2.namegear.co, ns1.namegear.co	-

✅ Authoritative Response

Server:52.193.1.167

NS records: ns2.namegear.co, ns1.namegear.co

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bestconstruction.jp (unsigned zone)

⏱️ Timing

Total: 1335ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`161.202.152.212`
NS	2	`ns1.namegear.co, ns2.namegear.co`
MX	1	`mail.bestconstruction.jp (pri: 10)`
TXT	1	`v=spf1 ip4:52.197.128.153 ip4:161.202.15`
SOA	1	`ns1.namegear.co hostmaster.namegear.co`

Analysis

Hierarchy

The parent of mail.bestconstruction.jp is bestconstruction.jp.

IP Addresses

bestconstruction.jp points to a single IP: 161.202.152.212.

Other host names, for instance dolphin-harikyu.com, kumalabo.net, dancing-hero.com, saitama.rl-toyota.co.jp and e-hri.com share IP numbers with bestconstruction.jp.

Name Servers

Two name servers ns1.namegear.co and ns2.namegear.co handle delegation for bestconstruction.jp.

bestconstruction.jp uses the same name server setup as other domains, for example petcafebar-alohana.com, hairlabodesir.com, ajna-kyoto.com, new-tanaka-painting.com and hotta-fujisawa.com.

bestconstruction.jp shares name servers with other domains at least in part, for instance 133.199.103.in-addr.arpa.

Host names with one IP number: The host name ns1.namegear.co points to 52.193.1.167 and the host name ns2.namegear.co points to 52.192.222.140.

Mail Servers

bestconstruction.jp is handled by a single mail server, mail.bestconstruction.jp.

mail.bestconstruction.jp points to a single IP: 52.197.128.153.

bestconstruction.jp - robtex.com