`boss-con.jp`

DNSSEC	⚠️ Not signed
A	153.122.75.24^{🇯🇵 AS131921153.122.64.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
		PTR	`ax.ptr130.ptrcloud.net`
NS	`ns.kosai.org` ⭐
		A	133.242.225.177^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`ns.kosai.org`
NS	`ns.epress.jp`
		A	153.122.55.100^{🇯🇵 AS131921153.122.48.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
			PTR	`ns.epress.jp`
TXT	`v=spf1 +ip4:153.122.75.24/32 ~all`
SOA	`ns.kosai.org`postmaster@ns.kosai.org 2025-07-25 #1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1778438703

Same first word

boss-con.jp

boss-con.com

DNS History

8 records (3 active, 5 former)

●NSns.epress.jp2026-03-12 → 2026-05-10 · 3 obs

○ 2017-08-05 19:09:38
● 2026-03-12 10:16:40
● 2026-05-10 19:24:30

●NSns.kosai.org2015-08-23 → 2026-05-10 · 2 obs

● 2015-08-23 11:03:40
● 2026-05-10 19:24:30

○NSns.pda.gr.jp2015-08-23 → 2017-08-05 · 4 obs

● 2015-08-23 11:03:40
● 2017-08-05 19:09:38
○ 2026-03-12 10:16:40
○ 2026-05-10 19:24:30

○MXbn.ptr128.ptrcloud.net2017-04-16 → 2017-08-05 · 5 obs

○ 2016-12-27 04:51:28
● 2017-04-16 01:26:20
● 2017-08-05 19:09:38
○ 2026-03-12 10:16:40
○ 2026-05-10 19:24:30

○MXbn.ptr128.public.gmocloud.com2015-08-23 → 2016-12-27 · 4 obs

● 2015-08-23 11:03:40
● 2016-12-27 04:51:28
○ 2017-04-16 01:26:20
○ 2026-05-10 19:24:30

○A153.122.105.252017-04-16 → 2017-08-05 · 5 obs

○ 2016-12-27 04:51:28
● 2017-04-16 01:26:20
● 2017-08-05 19:09:38
○ 2026-03-12 10:16:40
○ 2026-05-10 19:24:30

○A153.122.74.402015-08-23 → 2016-12-27 · 4 obs

● 2015-08-23 11:03:40
● 2016-12-27 04:51:28
○ 2017-04-16 01:26:20
○ 2026-05-10 19:24:30

●A153.122.75.242026-03-12 → 2026-05-10 · 3 obs

○ 2017-08-05 19:09:38
● 2026-03-12 10:16:40
● 2026-05-10 19:24:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
boss-con.jp	ns.kosai.org, ns.epress.jp	1 record

✅ Authoritative Response

Server:153.122.55.100

NS records: ns.kosai.org, ns.epress.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for boss-con.jp (unsigned zone)

⏱️ Timing

Total: 1410ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.75.24`
NS	2	`ns.epress.jp, ns.kosai.org`
TXT	1	`v=spf1 +ip4:153.122.75.24/32 ~all`
SOA	1	`ns.kosai.org postmaster.ns.kosai.org`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns.epress.jp)

Analysis

IP Addresses

boss-con.jp points to a single IP: 153.122.75.24.

Other host names, for instance dbhook.jp, t-hatu.jp, kyowa-el.co.jp, scapara.com and koriyama.ne.jp share IP numbers with boss-con.jp.

Name Servers

boss-con.jp's delegation is to two name servers ns.epress.jp and ns.kosai.org.

boss-con.jp shares the same name server configuration as other domains, such as foods-m.jp, bunkan.jp, toyohashi-at.jp, kakumitu.jp and upnet.co.jp.

Host names with a single IP:

ns.epress.jp resolves to 153.122.55.100.

ns.kosai.org resolves to 133.242.225.177.

boss-con.jp - robtex.com

boss-con.jp

jp