`dev-xaas.jp`

DNSSEC	⚠️ Not signed
NS	`t-ns01.test-xaas.jp` ⭐
		A	203.137.192.105^{🇯🇵 IDC203.137.192.0/18 Frontier Inc.}
			PTR	`203-137-192-105.monstera.jp-west.compute.idcfcloud.net`
NS	`t-ns02.test-xaas.jp`
		A	203.137.192.105^{🇯🇵 IDC203.137.192.0/18 Frontier Inc.}
			PTR	`203-137-192-105.monstera.jp-west.compute.idcfcloud.net`
MX	`t-smtp3.test-xaas.jp` ⭐
		A	203.137.195.160^{🇯🇵 IDC203.137.192.0/18 Frontier Inc.}
			PTR	`t-smtp3.test-xaas.jp`
TXT	`v=spf1 include:spf01.dev-xaas.jp ~all`
SOA	`t-ns01.test-xaas.jp`dev-xaas@jp 2019-05-22 #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=1774634403

Subdomains

d-ns01.dev-xaas.jp

d-ns02.dev-xaas.jp

Same first word

dev-xaas.jp

DNS History

5 records (3 active, 2 former)

●NSt-ns01.test-xaas.jp2020-02-08 → 2026-03-27 · 2 obs

● 2020-02-08 09:47:16
● 2026-03-27 18:38:54

●NSt-ns02.test-xaas.jp2020-02-08 → 2026-03-27 · 2 obs

● 2020-02-08 09:47:16
● 2026-03-27 18:38:54

○MXsmtp1.test-xaas.jp2020-02-08 → 2020-02-08 · 2 obs

● 2020-02-08 09:47:16
○ 2026-03-27 18:38:54

○MXsmtp2.test-xaas.jp2020-02-08 → 2020-02-08 · 2 obs

● 2020-02-08 09:47:16
○ 2026-03-27 18:38:54

●MXt-smtp3.test-xaas.jp2026-03-27 → 2026-03-27 · 2 obs

○ 2020-02-08 09:47:16
● 2026-03-27 18:38:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
dev-xaas.jp	t-ns02.test-xaas.jp, t-ns01.test-xaas.jp	-

✅ Authoritative Response

Server:203.137.192.105

NS records: t-ns02.test-xaas.jp, t-ns01.test-xaas.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dev-xaas.jp (unsigned zone)

⏱️ Timing

Total: 1510ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`t-ns01.test-xaas.jp, t-ns02.test-xaas.jp`
MX	1	`t-smtp3.test-xaas.jp (pri: 10)`
TXT	1	`v=spf1 include:spf01.dev-xaas.jp ~all`
SOA	1	`t-ns01.test-xaas.jp dev-xaas.jp`

Analysis

Hierarchy

dev-xaas.jp is the parent of d-ns01.dev-xaas.jp and d-ns02.dev-xaas.jp.

Name Servers

dev-xaas.jp has two name servers: t-ns01.test-xaas.jp and t-ns02.test-xaas.jp.

dev-xaas.jp shares the same name server setup as other domains, for example sbr134.com, sbr125.com, sbr126.com, commerceyell.com and sbr120.com.

Host names with one IP number:

t-ns01.test-xaas.jp points to: 203.137.192.105

t-ns02.test-xaas.jp points to: 203.137.192.105

Names pointing to 203.137.192.105: t-ns01.test-xaas.jp and t-ns02.test-xaas.jp

Mail Servers

dev-xaas.jp is handled by a single mail server, t-smtp3.test-xaas.jp.

dev-xaas.jp shares the mail server setup with other domains, for example sbr133.com, sbr104.com, test-xaas.jp, sbr134.com and sbr125.com.

Host name t-smtp3.test-xaas.jp points to IP 203.137.195.160.

dev-xaas.jp - robtex.com

dev-xaas.jp

jp