`smallworld.jp`

DNSSEC	⚠️ Not signed
A	153.150.148.210^{🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN}
NS	`smallworld.jp` ⭐
		A	153.150.148.210^{🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN}
NS	`ns.smallworld.jp`
		A	153.150.148.212^{🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN}
MX	`ns.smallworld.jp` ⭐
		A	153.150.148.212^{🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN}
SOA	`smallworld.jp`admin@smallworld.jp 2025-12-05 #11

`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=1774806302

NS for

smallworld.jp

Same first word

Similar names

worldsmall.com

worldmalls.com

mallsworld.com

DNS History

6 records (4 active, 2 former)

●NSns.smallworld.jp2015-07-20 → 2026-03-29 · 6 obs

● 2015-07-20 12:36:18
● 2015-12-10 02:59:18
○ 2016-01-06 01:30:44
○ 2017-08-26 02:03:34
● 2026-03-24 22:22:40
● 2026-03-29 18:18:48

●NSsmallworld.jp2016-01-06 → 2026-03-29 · 3 obs

○ 2015-12-10 02:59:18
● 2016-01-06 01:30:44
● 2026-03-29 18:18:48

●MXns.smallworld.jp2026-03-29 → 2026-03-29 · 2 obs

● 2026-03-29 18:18:46
● 2026-03-29 18:18:48

●A153.150.148.2102026-03-29 → 2026-03-29 · 3 obs

○ 2026-03-24 22:22:40
● 2026-03-29 18:18:46
● 2026-03-29 18:18:48

○A153.150.148.2112015-12-10 → 2017-08-26 · 5 obs

○ 2015-09-12 12:15:42
● 2015-12-10 02:59:18
● 2017-08-26 02:03:34
○ 2026-03-24 22:22:40
○ 2026-03-29 18:18:48

○A221.186.209.1462015-07-20 → 2015-09-12 · 4 obs

● 2015-07-20 12:36:18
● 2015-09-12 12:15:42
○ 2015-12-10 02:59:18
○ 2026-03-29 18:18:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
smallworld.jp	ns.smallworld.jp	2 records

✅ Authoritative Response

Server:153.150.148.210

NS records: ns.smallworld.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smallworld.jp (unsigned zone)

⏱️ Timing

Total: 909ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.150.148.210`
NS	1	`ns.smallworld.jp`
MX	1	`ns.smallworld.jp (pri: 20)`
SOA	1	`smallworld.jp admin.smallworld.jp`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns.smallworld.jp, ns.smallworld.jp)

Analysis

Name Server Role

smallworld.jp serves as a name server for smallworld.jp.

ns.smallworld.jp commonly serves as a name server together with smallworld.jp.

IP Addresses

smallworld.jp resolves to one IP number: 153.150.148.210.

Other host names for instance ns.smallworld.co.jp and smallworld.co.jp share IP numbers with smallworld.jp.

Name Servers

Two name servers smallworld.jp and ns.smallworld.jp handle the delegation for smallworld.jp.

Host names with a single IP address: smallworld.jp points to 153.150.148.210; ns.smallworld.jp points to 153.150.148.212.

Mail Servers

A single mail server handles smallworld.jp, ns.smallworld.jp.

smallworld.jp - robtex.com

smallworld.jp

jp