`sharemyknowledge.jp`

DNSSEC	⚠️ Not signed
A	133.167.8.36^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
		PTR	`www5126.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`mail.sharemyknowledge.jp` ⭐
TXT	`v=spf1 a:www5126.sakura.ne.jp mx ~all`
TXT	`google-site-verification=dJZEOQMq0e81sA2yuDa9vRdepVTQvt8GVOe2r4EWCPc`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-01-28 #5

`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=1771290902

Subdomains

mail.sharemyknowledge.jp

Same first word

sharemyknowledge.jp

DNS History

5 records (5 active, 0 former)

●NSmaster.dns.ne.jp2026-03-07 → 2026-03-07 · 2 obs

● 2026-03-07 05:56:36
● 2026-03-07 07:56:28

●NSns1.dns.ne.jp2026-03-07 → 2026-03-07 · 2 obs

● 2026-03-07 05:56:36
● 2026-03-07 07:56:28

●NSns2.dns.ne.jp2026-03-07 → 2026-03-07 · 2 obs

● 2026-03-07 05:56:36
● 2026-03-07 07:56:28

●MXmail.sharemyknowledge.jp2026-03-07 → 2026-03-07 · 2 obs

● 2026-03-07 05:56:36
● 2026-03-07 07:56:28

●A133.167.8.362026-03-07 → 2026-03-07 · 2 obs

● 2026-03-07 05:56:36
● 2026-03-07 07:56:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
sharemyknowledge.jp	ns1.dns.ne.jp, ns2.dns.ne.jp	2 records

✅ Authoritative Response

Server: 133.167.21.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sharemyknowledge.jp (unsigned zone)

⏱️ Timing

Total: 898ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.167.8.36`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`mail.sharemyknowledge.jp (pri: 10)`
TXT	2	`google-site-verification=dJZEOQMq0e81sA2, v=spf1 a:www5126.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

Hierarchy

sharemyknowledge.jp is the parent of mail.sharemyknowledge.jp.

IP Addresses

sharemyknowledge.jp points to IP number 133.167.8.36.

For instance, other host names keiwa-hoshinoko.or.jp, takamura-f.com, laugh-maker.com, funakuranosato.com and psr.jp share IP numbers with sharemyknowledge.jp.

Name Servers

The delegation for sharemyknowledge.jp is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

sharemyknowledge.jp shares name servers with other domains at least partially, for example kowafoods.sakura.ne.jp, aby.jp, wagamehogonokai.sakura.ne.jp, photca.net and garamasa.com.

Host names with a single IP address: master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

sharemyknowledge.jp is handled by a single mail server, mail.sharemyknowledge.jp.

sharemyknowledge.jp - robtex.com