`kobu4.com`

DNSSEC	⚠️ Not signed
A	153.127.48.209^{🇯🇵 SAKURA-A153.127.0.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
		PTR	`host232.bbsn.co.jp`
NS	`dns1.kabir-ken.com` ⭐
		A	118.27.111.164^{🇯🇵 GMO-INTERNET118.27.0.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`nsa.tellmy.name`
NS	`dns2.kabir-ken.com` ⚠️ Not in zone NS records
		A	150.95.149.174^{🇯🇵 GMO-INTERNET150.95.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`nsb.tellmy.name`
MX	`www.kobu4.com` ⭐
		A	153.127.48.209^{🇯🇵 SAKURA-A153.127.0.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`host232.bbsn.co.jp`
SOA	`dns1.kabir-ken.com`postmaster@dns1.kabir-ken.com 2022-05-24 #14

`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=1776312597

Subdomains

www.kobu4.com

Same first word

kobu4.de

kobu4.com

Similar names

4kubo.com

DNS History

7 records (4 active, 3 former)

●NSdns1.kabir-ken.com2008-03-20 → 2026-04-16 · 2 obs

● 2008-03-20 05:37:10
● 2026-04-16 04:11:56

●NSdns2.kabir-ken.com2008-03-20 → 2026-04-16 · 5 obs

● 2008-03-20 05:37:10
○ 2015-08-02 01:37:30
○ 2020-02-22 13:52:46
● 2026-02-28 13:37:24
● 2026-04-16 04:11:56

●MXwww.kobu4.com2008-03-20 → 2026-04-16 · 2 obs

● 2008-03-20 05:37:10
● 2026-04-16 04:11:56

○A122.152.128.1272015-08-02 → 2017-02-17 · 5 obs

○ 2008-03-20 05:37:10
● 2015-08-02 01:37:30
● 2017-02-17 08:11:10
○ 2020-02-22 13:52:46
○ 2026-04-16 04:11:56

○A124.34.5.162008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 05:37:10
○ 2015-08-02 01:37:30
○ 2026-04-16 04:11:56

○A150.95.157.1782020-02-22 → 2020-02-22 · 4 obs

○ 2017-02-17 08:11:10
● 2020-02-22 13:52:46
○ 2026-02-28 13:37:24
○ 2026-04-16 04:11:56

●A153.127.48.2092026-02-28 → 2026-04-16 · 3 obs

○ 2020-02-22 13:52:46
● 2026-02-28 13:37:24
● 2026-04-16 04:11:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kobu4.com	dns1.kabir-ken.com, dns2.kabir-ken.com	2 records

✅ Authoritative Response

Server:118.27.111.164

NS records: dns1.kabir-ken.com, dns2.kabir-ken.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kobu4.com (unsigned zone)

⏱️ Timing

Total: 408ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.127.48.209`
NS	1	`dns1.kabir-ken.com`
MX	1	`www.kobu4.com (pri: 5)`
SOA	1	`dns1.kabir-ken.com postmaster.dns1.kabir`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.kabir-ken.com, dns2.kabir-ken.com)

Analysis

Hierarchy

The parent of www.kobu4.com is kobu4.com.

IP Addresses

kobu4.com points to a single IP: 153.127.48.209.

Other host names, for instance www.yamadori.info, sanwa-s.net, www.mapun.net, www.dancewag.com and www.sogo-sg.com share IP numbers with kobu4.com.

Name Servers

Two name servers dns1.kabir-ken.com and dns2.kabir-ken.com handle delegation for kobu4.com.

kobu4.com uses the same name server setup as other domains, for example bandokochaen.com, hotmam.com, shingo-watanabe.com, bund21.org and shibayama-log.co.jp.

kobu4.com partially shares name servers with other domains, such as secure-c.net and ss-j.com.

Host names with one IP number: The host name dns1.kabir-ken.com points to 118.27.111.164 and the host name dns2.kabir-ken.com points to 150.95.149.174.

Mail Servers

kobu4.com is handled by a single mail server, www.kobu4.com.

www.kobu4.com points to a single IP: 153.127.48.209.

kobu4.com - robtex.com

kobu4.com

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