`masuda-kensetsu.com`

DNSSEC	⚠️ Not signed
A	133.167.95.96^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
		PTR	`os3-377-21842.vs.sakura.ne.jp`
NS	`chi.chi-takumi.net` ⭐
		A	133.167.87.63^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`os3-373-19809.vs.sakura.ne.jp`
NS	`tkm.chi-takumi.jp`
		A	133.242.173.36^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`ik1-123-68282.vs.sakura.ne.jp`
MX	`tkm.masuda-kensetsu.com` ⭐
		A	133.167.95.96^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`os3-377-21842.vs.sakura.ne.jp`
TXT	`v=spf1 +ip4:133.167.95.96 +ip4:153.122.8.120 +ip4:160.16.225.45 ~all`
SOA	`chi.chi-takumi.net`root@chi-takumi.net 2023-06-26 #2

`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=1774711657

Subdomains

tkm.masuda-kensetsu.com

Same first word

masuda-kensetsu.com

DNS History

6 records (4 active, 2 former)

●NSchi.chi-takumi.net2015-08-20 → 2026-03-28 · 2 obs

● 2015-08-20 11:03:54
● 2026-03-28 15:48:08

●NStkm.chi-takumi.jp2015-08-20 → 2026-03-28 · 2 obs

● 2015-08-20 11:03:54
● 2026-03-28 15:48:08

○NStkm.masuda-kensetsu.com2015-08-20 → 2020-02-16 · 3 obs

● 2015-08-20 11:03:54
● 2020-02-16 07:26:02
○ 2026-03-28 15:48:08

●MXtkm.masuda-kensetsu.com2015-08-20 → 2026-03-28 · 2 obs

● 2015-08-20 11:03:54
● 2026-03-28 15:48:08

●A133.167.95.962026-03-28 → 2026-03-28 · 2 obs

○ 2020-02-16 07:26:02
● 2026-03-28 15:48:08

○A153.122.8.1202015-08-20 → 2020-02-16 · 3 obs

● 2015-08-20 11:03:54
● 2020-02-16 07:26:02
○ 2026-03-28 15:48:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...	-
masuda-kensetsu.com	tkm.chi-takumi.jp, chi.chi-takumi.net	-

✅ Authoritative Response

Server:133.242.173.36

NS records: tkm.chi-takumi.jp, chi.chi-takumi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masuda-kensetsu.com (unsigned zone)

⏱️ Timing

Total: 810ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.167.95.96`
NS	2	`tkm.chi-takumi.jp, chi.chi-takumi.net`
MX	1	`tkm.masuda-kensetsu.com (pri: 10)`
TXT	1	`v=spf1 +ip4:133.167.95.96 +ip4:153.122.8`
SOA	1	`chi.chi-takumi.net root.chi-takumi.net`

Analysis

Hierarchy

masuda-kensetsu.com is the parent of tkm.masuda-kensetsu.com.

IP Addresses

masuda-kensetsu.com resolves to one IP number: 133.167.95.96.

other host names including tkm.masuda-kensetsu.com, tkm.videowork.tv, www.hpp-ltd.com, ns3.howday.com and hpp-ltd.com share IP numbers with masuda-kensetsu.com.

Name Servers

masuda-kensetsu.com is delegated to two name servers tkm.chi-takumi.jp and chi.chi-takumi.net.

masuda-kensetsu.com shares the same name server setup as other domains, for instance eande.biz, chi-takumi.net, suranje.com, wave-communication.com and totalwell.co.jp.

masuda-kensetsu.com at least partially shares name servers with other domains, for instance sgf.ne.jp, proken.co.jp, you-ga.jp, syounji.com and saku-ad.com.

These name servers are commonly used with chi.chi-takumi.jp, tkm.sgf.ne.jp and tkm.proken.co.jp.

Host names with one IP number:

tkm.chi-takumi.jp points to 133.242.173.36

chi.chi-takumi.net points to 133.167.87.63

Mail Servers

masuda-kensetsu.com is handled by a single mail server, tkm.masuda-kensetsu.com.

tkm.masuda-kensetsu.com resolves to IP 133.167.95.96.

masuda-kensetsu.com - robtex.com