`elementree.co.jp`

DNSSEC	⚠️ Not signed
A	210.48.238.60^{🇯🇵 InfoSphere210.48.224.0/19 INTERLINK}
		PTR	`server15.em-mobile.com`
NS	`server06.em-mobile.com` ⭐
		A	210.48.238.51^{🇯🇵 InfoSphere210.48.224.0/19 INTERLINK}
			PTR	`server06.em-mobile.com`
NS	`server34.em-mobile.com`
		A	203.152.204.135^{🇯🇵 InfoSphere203.152.192.0/19 INTERLINK}
			PTR	`server34.em-mobile.com`
MX	`mail.elementree.co.jp` ⭐
		A	210.48.238.61^{🇯🇵 InfoSphere210.48.224.0/19 INTERLINK}
			PTR	`server16.em-mobile.com`
TXT	`v=spf1 +ip4:192.168.0.1/24 +ip4:219.117.241.240/29 +ip4:210.48.238.48/28 +ip4...`
SOA	`server06.em-mobile.com`webmaster@elementree.co.jp 2026-02-02 #2

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Subdomains

www.elementree.co.jp

mail.elementree.co.jp

Same first word

elementree.co.jp

elementree.nl

elementree.com

elementree.by

DNS History

6 records (4 active, 2 former)

○NSserver02.em-mobile.com2015-07-17 → 2020-02-22 · 4 obs

● 2015-07-17 00:49:16
● 2020-02-22 09:13:20
○ 2026-03-04 14:45:00
○ 2026-08-04 22:42:48

●NSserver06.em-mobile.com2015-07-17 → 2026-08-04 · 2 obs

● 2015-07-17 00:49:16
● 2026-08-04 22:42:48

●NSserver34.em-mobile.com2026-03-04 → 2026-08-04 · 3 obs

○ 2020-02-22 09:13:20
● 2026-03-04 14:45:00
● 2026-08-04 22:42:48

●MXmail.elementree.co.jp2015-07-17 → 2026-08-04 · 2 obs

● 2015-07-17 00:49:16
● 2026-08-04 22:42:48

●A210.48.238.602026-03-04 → 2026-08-04 · 3 obs

○ 2020-02-22 09:13:20
● 2026-03-04 14:45:00
● 2026-08-04 22:42:48

○A219.117.249.1662015-07-17 → 2020-02-22 · 4 obs

● 2015-07-17 00:49:16
● 2020-02-22 09:13:20
○ 2026-03-04 14:45:00
○ 2026-08-04 22:42:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
elementree.co.jp	server06.em-mobile.com, server34.em-mobile.com	-

✅ Authoritative Response

Server:210.48.238.51

NS records: server06.em-mobile.com, server34.em-mobile.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for elementree.co.jp (unsigned zone)

⏱️ Timing

Total: 1514ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.48.238.60`
NS	2	`server06.em-mobile.com, server34.em-mobile.com`
MX	1	`mail.elementree.co.jp (pri: 10)`
TXT	1	`v=spf1 +ip4:192.168.0.1/24 +ip4:219.117.`
SOA	1	`server06.em-mobile.com webmaster.element`

Analysis

Hierarchy

www.elementree.co.jp and mail.elementree.co.jp are both subdomains of elementree.co.jp.

IP Addresses

elementree.co.jp resolves to one IP address: 210.48.238.60.

Additional host names such as server15.em-mobile.com, anakare.com, www.elementree.co.jp and em-mobile.com share IP numbers with elementree.co.jp.

Name Servers

elementree.co.jp is served by two delegated name servers, server06.em-mobile.com and server34.em-mobile.com.

elementree.co.jp has a name server setup in common with em-mobile.com, anakare.com and rose-create.com, to name a few.

Each of server06.em-mobile.com and server34.em-mobile.com has one IP address: server06.em-mobile.com uses 210.48.238.51 and server34.em-mobile.com uses 203.152.204.135.

Mail Servers

Mail for elementree.co.jp is handled by a single mail server, mail.elementree.co.jp.

There is one IP number for mail.elementree.co.jp: 210.48.238.61.

elementree.co.jp - robtex.com

elementree.co.jp

co.jp