showa-shell.com - robtex.com

`showa-shell.com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns000.d-53.net` ⭐
	NS	`dns-b.iij.ad.jp` ⚠️ Not in zone NS records
			A	2001:240:bb81::28:51^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
				PTR	`s020.d-53.biz`
			A	202.32.219.51^{🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
				PTR	`s020.d-53.biz`
	NS	`dns-c.iij.ad.jp` ⚠️ Not in zone NS records
			A	2001:240:bb81::29:111^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
				PTR	`s020.d-53.net`
			A	210.138.20.111^{🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
				PTR	`s020.d-53.net`
	NS	`ns020-3m36v376f0d763ji.3.d-53.info` ⚠️ Not in parent delegation
			A	2001:240:bb81::28:51^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
				PTR	`s020.d-53.biz`
			A	202.32.219.51^{🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
				PTR	`s020.d-53.biz`
	NS	`ns020-3m36v376f0d763ji.3.d-53.jp` ⚠️ Not in parent delegation
			A	2001:240:bb81::29:1111^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
				PTR	`s020.d-53.org`
			A	203.180.146.111^{🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
				PTR	`s020.d-53.org`
	NS	`ns020-3m36v376f0d763ji.3.d-53.org` ⚠️ Not in parent delegation
			A	2001:240:bb81::29:111^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
				PTR	`s020.d-53.net`
			A	210.138.20.111^{🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
				PTR	`s020.d-53.net`
	SOA	`ns000.d-53.net`dns-managers@iij.ad.jp serial=310

`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=1778397246

Same first word

showa-shell.com

showa-shell.co.jp

DNS History

8 records (6 active, 2 former)

●NSdns-b.iij.ad.jp2026-05-10 → 2026-05-10 · 3 obs

○ 2018-05-31 23:18:14
● 2026-05-10 07:20:54
● 2026-05-10 07:20:58

●NSdns-c.iij.ad.jp2026-05-10 → 2026-05-10 · 3 obs

○ 2018-05-31 23:18:14
● 2026-05-10 07:20:54
● 2026-05-10 07:20:58

○NSdns1.showa-shell.com2015-06-16 → 2018-05-31 · 4 obs

● 2015-06-16 06:36:10
● 2018-05-31 23:18:14
○ 2026-05-10 07:20:54
○ 2026-05-10 07:20:58

○NSdns3.dion.ne.jp2015-06-16 → 2018-05-31 · 4 obs

● 2015-06-16 06:36:10
● 2018-05-31 23:18:14
○ 2026-05-10 07:20:54
○ 2026-05-10 07:20:58

●NSns000.d-53.net2026-05-10 → 2026-05-10 · 3 obs

○ 2018-05-31 23:18:14
● 2026-05-10 07:20:54
● 2026-05-10 07:20:58

●NSns020-3m36v376f0d763ji.3.d-53.info2026-05-10 → 2026-05-10 · 3 obs

○ 2018-05-31 23:18:14
● 2026-05-10 07:20:54
● 2026-05-10 07:20:58

●NSns020-3m36v376f0d763ji.3.d-53.jp2026-05-10 → 2026-05-10 · 3 obs

○ 2018-05-31 23:18:14
● 2026-05-10 07:20:54
● 2026-05-10 07:20:58

●NSns020-3m36v376f0d763ji.3.d-53.org2026-05-10 → 2026-05-10 · 3 obs

○ 2018-05-31 23:18:14
● 2026-05-10 07:20:54
● 2026-05-10 07:20:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
showa-shell.com	dns-b.iij.ad.jp, dns-c.iij.ad.jp	-

✅ Authoritative Response

Server:210.138.20.111

NS records: dns-b.iij.ad.jp, dns-c.iij.ad.jp

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1450ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns020-3m36v376f0d763ji.3.d-53.info, ns020-3m36v376f0d763ji.3.d-53.jp...`
SOA	1	`ns000.d-53.net dns-managers.iij.ad.jp`

Analysis

Name Servers

showa-shell.com is delegated to six name servers: ns000.d-53.net, ns020-3m36v376f0d763ji.3.d-53.info, dns-b.iij.ad.jp, dns-c.iij.ad.jp, ns020-3m36v376f0d763ji.3.d-53.jp and ns020-3m36v376f0d763ji.3.d-53.org.

showa-shell.com partially shares name servers with other domains; examples include 51.214.202.in-addr.arpa, tdf-life.jp, 234.238.202.static.iijgio.jp, 0.111.133.in-addr.arpa and town.kamishihoro.hokkaido.jp.

These name servers are often used with rev.iij-dns.jp, rev.iij-dns.net, ns01.iij-dns.jp, ns00.iij-dns.net, dns0.iij-swg.jp, dns1.iij-swg.jp, ns1.dox.jp and ns2.dox.jp.

Host names with two IPs:

ns020-3m36v376f0d763ji.3.d-53.info points to: 2001:240:bb81::28:51 and 202.32.219.51

dns-b.iij.ad.jp points to: 2001:240:bb81::28:51 and 202.32.219.51

dns-c.iij.ad.jp points to: 2001:240:bb81::29:111 and 210.138.20.111

ns020-3m36v376f0d763ji.3.d-53.jp points to: 2001:240:bb81::29:1111 and 203.180.146.111

ns020-3m36v376f0d763ji.3.d-53.org points to: 2001:240:bb81::29:111 and 210.138.20.111

Host names that resolve to 2001:240:bb81::28:51: ns020-3m36v376f0d763ji.3.d-53.info and dns-b.iij.ad.jp

Host names that resolve to 202.32.219.51: ns020-3m36v376f0d763ji.3.d-53.info and dns-b.iij.ad.jp

Host names that resolve to 2001:240:bb81::29:111: dns-c.iij.ad.jp and ns020-3m36v376f0d763ji.3.d-53.org

Host names that resolve to 210.138.20.111: dns-c.iij.ad.jp and ns020-3m36v376f0d763ji.3.d-53.org