`nitto-kensetsu.com`

DNSSEC	⚠️ Not signed
A	49.212.243.169^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www3629.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		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`
		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`
MX	`nitto-kensetsu.com` ⭐
		A	49.212.243.169^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3629.sakura.ne.jp`
TXT	`v=spf1 a:www3629.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2024-02-05 #1

`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=1777117716

MX for

nitto-kensetsu.com

Same first word

nitto-kensetsu.com

DNS History

6 records (5 active, 1 former)

●NSmaster.dns.ne.jp2018-09-13 → 2026-04-25 · 2 obs

● 2018-09-13 19:00:04
● 2026-04-25 12:14:38

●NSns1.dns.ne.jp2018-09-13 → 2026-04-25 · 2 obs

● 2018-09-13 19:00:04
● 2026-04-25 12:14:38

●NSns2.dns.ne.jp2018-09-13 → 2026-04-25 · 2 obs

● 2018-09-13 19:00:04
● 2026-04-25 12:14:38

●MXnitto-kensetsu.com2018-09-13 → 2026-04-25 · 2 obs

● 2018-09-13 19:00:04
● 2026-04-25 12:14:38

○A112.78.125.1212018-09-13 → 2018-09-13 · 3 obs

● 2018-09-13 19:00:04
○ 2026-03-07 15:30:00
○ 2026-04-25 12:14:38

●A49.212.243.1692026-03-07 → 2026-04-25 · 3 obs

○ 2018-09-13 19:00:04
● 2026-03-07 15:30:00
● 2026-04-25 12:14:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...	-
nitto-kensetsu.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.243.169`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`nitto-kensetsu.com (pri: 10)`
TXT	1	`v=spf1 a:www3629.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

nitto-kensetsu.com serves as the mail server for nitto-kensetsu.com.

IP Addresses

nitto-kensetsu.com points to a single IP number: 49.212.243.169.

Other host names, for instance _dc-mx.ad4fd243d2fc.midori-saimuseiri.or.jp, kitakyu.or.jp, a-people.sakura.ne.jp, ndsinc.co.jp and fysk.sakura.ne.jp share IP numbers with nitto-kensetsu.com.

Name Servers

The delegation for nitto-kensetsu.com is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

nitto-kensetsu.com at least partially shares name servers with other domains, for instance to-shin.jp, ausaki.com, primastella.jp, webdesign-s.com and y-kj.biz.

These name servers are commonly used with the name servers dns.sakura.ad.jp.

Host names with one IP number:

master.dns.ne.jp points to 210.224.172.18.

ns1.dns.ne.jp points to 61.211.236.1.

ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

A single mail server handles nitto-kensetsu.com.

nitto-kensetsu.com points to a single IP: 49.212.243.169.

nitto-kensetsu.com - robtex.com