`mail.ncool.jp`

DNSSEC	⚠️ Not signed
A	133.242.171.114^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`ns26.prontobb.net`

`ncool.jp`

	DNSSEC	⚠️ Not signed
	A	133.242.171.114^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
	NS	`ns26.prontobb.net` ⭐
	NS	`dns2.prontonet.ne.jp`
	MX	`mail.ncool.jp` ⭐
	TXT	`google-site-verification=k1-vlHdmCE7JNkk4ZLIVjNEQhnmG-ZNpZCrSl_PgJVE`
	TXT	`v=spf1 +ip4:133.242.171.114 +a +mx +a:ns26.prontobb.net +a:newns1.prontobb.ne...`
	SOA	`ns26.prontobb.net`ns26\@webmaster.prontonet.co.jp 2025-08-26 #2

MX for

ncool.jp

Same first word

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DNS History

3 records (1 active, 2 former)

○A111.68.180.712015-07-05 → 2015-11-09 · 4 obs

● 2015-07-05 14:30:38
● 2015-11-09 05:02:26
○ 2016-01-11 11:00:28
○ 2026-07-05 06:04:38

●A133.242.171.1142026-06-30 → 2026-07-05 · 3 obs

○ 2016-09-24 05:05:46
● 2026-06-30 04:54:44
● 2026-07-05 06:04:38

○A49.212.89.1432016-01-11 → 2016-09-24 · 5 obs

○ 2015-11-09 05:02:26
● 2016-01-11 11:00:28
● 2016-09-24 05:05:46
○ 2026-06-30 04:54:44
○ 2026-07-05 06:04:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
ncool.jp	dns2.prontonet.ne.jp, ns26.prontobb.net	1 record

✅ Authoritative Response

Server:133.242.171.114

NS records: dns2.prontonet.ne.jp, ns26.prontobb.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ncool.jp (unsigned zone)

⏱️ Timing

Total: 1405ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.242.171.114`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (dns2.prontonet.ne.jp)

Analysis

Mail Server Role

mail.ncool.jp serves as a mail server for ncool.jp.

IP Addresses

mail.ncool.jp points to a single IP number: 133.242.171.114.

Additional host names — ns3.nbc.ac.jp, nitf.jp, ns26.prontobb.net and two others — share IP numbers with mail.ncool.jp.

mail.ncool.jp - robtex.com

mail.ncool.jp

ncool.jp