`kozosroffice.com`

DNSSEC	⚠️ Not signed
A	150.60.157.6^{🇯🇵 CPI-NET150.60.0.0/16 KDDI Web Communications Inc.}
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	`kozosroffice.sakura.ne.jp` ⭐
		A	49.212.243.74^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3564.sakura.ne.jp`
TXT	`v=spf1 a:www3564.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-01-07 #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=1776146777

Same first word

kozosroffice.sakura.ne.jp

kozosroffice.com

DNS History

6 records (5 active, 1 former)

●NSmaster.dns.ne.jp2017-01-05 → 2026-04-14 · 2 obs

● 2017-01-05 03:05:56
● 2026-04-14 06:13:10

●NSns1.dns.ne.jp2017-01-05 → 2026-04-14 · 2 obs

● 2017-01-05 03:05:56
● 2026-04-14 06:13:10

●NSns2.dns.ne.jp2017-01-05 → 2026-04-14 · 2 obs

● 2017-01-05 03:05:56
● 2026-04-14 06:13:10

●MXkozosroffice.sakura.ne.jp2017-01-05 → 2026-04-14 · 2 obs

● 2017-01-05 03:05:56
● 2026-04-14 06:13:10

●A150.60.157.62017-01-05 → 2026-04-14 · 2 obs

● 2017-01-05 03:05:56
● 2026-04-14 06:13:10

○A2403:3a00:101:23:49:212:243:742017-01-05 → 2018-05-19 · 4 obs

● 2017-01-05 03:05:56
● 2018-05-19 03:57:14
○ 2026-02-21 05:27:20
○ 2026-04-14 06:13:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...	-
kozosroffice.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kozosroffice.com (unsigned zone)

⏱️ Timing

Total: 3412ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`150.60.157.6`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`kozosroffice.sakura.ne.jp (pri: 10)`
TXT	1	`v=spf1 a:www3564.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

IP Addresses

kozosroffice.com points to a single IP: 150.60.157.6.

Other host names, for instance toumei-tesou.co.jp, assd-system.tech and mti-si.com share IP numbers with kozosroffice.com.

Name Servers

kozosroffice.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

kozosroffice.com partially shares name servers with other domains; examples include ses-unso.sakura.ne.jp, smart-ucar.com, popurin.net, wakei-kai.or.jp and baico.jp.

Host names with one IP number:

Host master.dns.ne.jp points to 210.224.172.18.

Host ns1.dns.ne.jp points to 61.211.236.1.

Host ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

kozosroffice.com is handled by a single mail server, kozosroffice.sakura.ne.jp.

kozosroffice.com uses the same mail server setup as other domains, for example kozosroffice.sakura.ne.jp.

kozosroffice.sakura.ne.jp points to a single IP: 49.212.243.74.

kozosroffice.com - robtex.com