`mail.ideafield.jp`

	DNSSEC	⚠️ Not signed
	A	157.7.184.14^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}

`ideafield.jp`

	DNSSEC	⚠️ Not signed
	A	157.7.184.14^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
	NS	`ns1.value-domain.com` ⭐
	NS	`ns2.value-domain.com`
	NS	`ns3.value-domain.com` ⚠️ Not in zone NS records
	NS	`ns4.value-domain.com` ⚠️ Not in zone NS records
	NS	`ns5.value-domain.com` ⚠️ Not in zone NS records
	MX	`4email.ideafield.jp` ⭐
	TXT	`v=spf1 ip4:157.7.184.14 include:mxr.valueserver.jp -all`
	SOA	`ns1.value-domain.com`hostmaster@ideafield.jp 2021-01-16 #21

Previously MX for

ideafield.jp

Same first word

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DNS History

2 records (1 active, 1 former)

●A157.7.184.142026-02-25 → 2026-03-22 · 3 obs

○ 2016-07-12 14:31:04
● 2026-02-25 01:32:24
● 2026-03-22 17:27:42

○A203.189.105.1712015-07-31 → 2016-07-12 · 4 obs

● 2015-07-31 23:48:42
● 2016-07-12 14:31:04
○ 2026-02-25 01:32:24
○ 2026-03-22 17:27:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
ideafield.jp	ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com...	-

✅ Authoritative Response

Server: 172.64.52.38

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ideafield.jp (unsigned zone)

⏱️ Timing

Total: 1610ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.7.184.14`

Analysis

IP Addresses

mail.ideafield.jp points to a single IP address: 157.7.184.14.

Other host names such as mail.caracle.com, www.hairguild-laguna.com, dons.tv, pchanet.com and ns2.di-net.net share IPs with mail.ideafield.jp.

mail.ideafield.jp - robtex.com