`hs-learning.jp`

DNSSEC	⚠️ Not signed
A	4.190.8.185^{🇯🇵 Microsoft4.176.0.0/12 MICROSOFT}
		PTR	`www.science.co.jp`
NS	`ns01.pitserv.jp` ⭐
		A	13.71.140.116^{🇯🇵 Microsoft13.64.0.0/11 MICROSOFT}
			PTR	`ns01.pitserv.jp`
NS	`ns02.pitserv.jp`
		A	210.129.48.31^{🇯🇵 IDC210.129.48.0/20 Frontier Inc.}
			PTR	`ns02.pitserv.jp`
TXT	`_jbxze1evg37pvmhwkd6rmekjo2he0mz`
TXT	`_efyya9xwvspylgyd78lm5w290iszjqt`
SOA	`ns01.pitserv.jp`root@pitserv.jp 2026-01-14 #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=1774519203

Same first word

hs-learning.jp

DNS History

4 records (3 active, 1 former)

●NSns01.pitserv.jp2018-05-07 → 2026-03-26 · 2 obs

● 2018-05-07 01:52:40
● 2026-03-26 10:36:14

●NSns02.pitserv.jp2018-05-07 → 2026-03-26 · 2 obs

● 2018-05-07 01:52:40
● 2026-03-26 10:36:14

○A210.151.132.1622018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 01:52:40
○ 2026-02-26 19:33:42
○ 2026-03-26 10:36:14

●A4.190.8.1852026-02-26 → 2026-03-26 · 3 obs

○ 2018-05-07 01:52:40
● 2026-02-26 19:33:42
● 2026-03-26 10:36:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
hs-learning.jp	ns01.pitserv.jp, ns02.pitserv.jp	2 records

✅ Authoritative Response

Server:13.71.140.116

NS records: ns01.pitserv.jp, ns02.pitserv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hs-learning.jp (unsigned zone)

⏱️ Timing

Total: 846ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`4.190.8.185`
NS	2	`ns02.pitserv.jp, ns01.pitserv.jp`
TXT	2	`_efyya9xwvspylgyd78lm5w290iszjqt, _jbxze1evg37pvmhwkd6rmekjo2he0mz`
SOA	1	`ns01.pitserv.jp root.pitserv.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns02.pitserv.jp, ns01.pitserv.jp)

Analysis

IP Addresses

hs-learning.jp points to a single IP: 4.190.8.185.

Other host names, such as www.science.co.jp, share IP numbers with hs-learning.jp.

Name Servers

Two name servers ns01.pitserv.jp and ns02.pitserv.jp handle delegation for hs-learning.jp.

hs-learning.jp uses the same name server setup as other domains, for example fj-hanbai.com, hokuyaku.or.jp, wp.libras.co.jp, hirodaishigakubudousoukai.net and tlsp.pro.

hs-learning.jp partially shares name servers with other domains; examples include lns1.la-j.com, la-j.com, pitserv.jp, unite-i.co.jp and kenmin-kyosai.or.jp.

these name servers are commonly used with the name servers ns.pitserv.jp.

Host names with one IP number: The host name ns01.pitserv.jp points to 13.71.140.116 and the host name ns02.pitserv.jp points to 210.129.48.31.

hs-learning.jp - robtex.com

hs-learning.jp

jp