`masudakensetsu.com`

DNSSEC	⚠️ Not signed
A	153.122.118.103^{🇯🇵 AS131921153.122.112.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
		PTR	`dy.ptr200.ptrcloud.net`
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp`
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp`
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`mail.masudakensetsu.com` ⭐
		A	153.122.118.103^{🇯🇵 AS131921153.122.112.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
			PTR	`dy.ptr200.ptrcloud.net`
TXT	`v=spf1 +ip4:153.122.118.103 ~all`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1748491977

`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=1774544192

Subdomains

mail.masudakensetsu.com

Same first word

masudakensetsu.com

masudakensetsu.co.jp

DNS History

7 records (6 active, 1 former)

●NS01.dnsv.jp2017-02-16 → 2026-03-26 · 2 obs

● 2017-02-16 12:06:30
● 2026-03-26 17:00:24

●NS02.dnsv.jp2017-02-16 → 2026-03-26 · 2 obs

● 2017-02-16 12:06:30
● 2026-03-26 17:00:24

●NS03.dnsv.jp2017-02-16 → 2026-03-26 · 2 obs

● 2017-02-16 12:06:30
● 2026-03-26 17:00:24

●NS04.dnsv.jp2017-02-16 → 2026-03-26 · 2 obs

● 2017-02-16 12:06:30
● 2026-03-26 17:00:24

●MXmail.masudakensetsu.com2017-02-16 → 2026-03-26 · 2 obs

● 2017-02-16 12:06:30
● 2026-03-26 17:00:24

○A153.122.100.1612017-02-16 → 2020-01-29 · 4 obs

● 2017-02-16 12:06:30
● 2020-01-29 18:09:18
○ 2026-02-25 23:27:40
○ 2026-03-26 17:00:24

●A153.122.118.1032026-02-25 → 2026-03-26 · 3 obs

○ 2020-01-29 18:09:18
● 2026-02-25 23:27:40
● 2026-03-26 17:00:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
masudakensetsu.com	01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp	-

✅ Authoritative Response

Server:157.7.32.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masudakensetsu.com (unsigned zone)

⏱️ Timing

Total: 1160ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.118.103`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`mail.masudakensetsu.com (pri: 10)`
TXT	1	`v=spf1 +ip4:153.122.118.103 ~all`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

Analysis

Hierarchy

masudakensetsu.com is the parent of mail.masudakensetsu.com.

IP Addresses

masudakensetsu.com resolves to a single IP address: 153.122.118.103.

Other host names including daishoh.com, marvelous-power.com, aika-p.com, fruit-basket.org and mail.aika-p.com share IP numbers with masudakensetsu.com.

Name Servers

masudakensetsu.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

masudakensetsu.com at least partially shares name servers with other domains, including dzqkinycuukanwa.net, tohoku.ed.jp, gassan.co.jp, themaster.jp and 1on1.design.

Host names with two IP numbers:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

masudakensetsu.com is handled by a single mail server, mail.masudakensetsu.com.

mail.masudakensetsu.com points to a single IP: 153.122.118.103.

masudakensetsu.com - robtex.com