`knowledgeforce-p.com`

DNSSEC	⚠️ Not signed
A	2403:3a00:101:12:112:78:112:176^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`www1836.sakura.ne.jp`
A	112.78.112.176^{🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
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	`knowledgeforce-p.com` ⭐
		A	2403:3a00:101:12:112:78:112:176^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`www1836.sakura.ne.jp`
		A	112.78.112.176^{🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www1836.sakura.ne.jp`
TXT	`v=spf1 a:www1836.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2025-06-24 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

DNS History

9 records (6 active, 3 former)

●NSmaster.dns.ne.jp2016-08-12 → 2026-02-28 · 3 obs

○ 2016-03-28 10:54:34
● 2016-08-12 11:48:04
● 2026-02-28 18:59:18

○NSns.knowledgeforce-p.com2015-07-25 → 2016-03-28 · 4 obs

● 2015-07-25 17:27:54
● 2016-03-28 10:54:34
○ 2016-08-12 11:48:04
○ 2026-02-28 18:59:18

●NSns1.dns.ne.jp2016-08-12 → 2026-02-28 · 3 obs

○ 2016-03-28 10:54:34
● 2016-08-12 11:48:04
● 2026-02-28 18:59:18

●NSns2.dns.ne.jp2016-08-12 → 2026-02-28 · 3 obs

○ 2016-03-28 10:54:34
● 2016-08-12 11:48:04
● 2026-02-28 18:59:18

●MXknowledgeforce-p.com2016-08-12 → 2026-02-28 · 3 obs

○ 2016-03-28 10:54:34
● 2016-08-12 11:48:04
● 2026-02-28 18:59:18

○MXmail.knowledgeforce-p.com2015-07-25 → 2016-03-28 · 4 obs

● 2015-07-25 17:27:54
● 2016-03-28 10:54:34
○ 2016-08-12 11:48:04
○ 2026-02-28 18:59:18

●A112.78.112.1762016-08-12 → 2026-02-28 · 3 obs

○ 2016-03-28 10:54:34
● 2016-08-12 11:48:04
● 2026-02-28 18:59:18

○A199.116.177.122015-07-25 → 2016-03-28 · 4 obs

● 2015-07-25 17:27:54
● 2016-03-28 10:54:34
○ 2016-08-12 11:48:04
○ 2026-02-28 18:59:18

●A2403:3a00:101:12:112:78:112:1762026-02-28 → 2026-02-28 · 2 obs

○ 2016-08-12 11:48:04
● 2026-02-28 18:59:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...	-
knowledgeforce-p.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ 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 knowledgeforce-p.com (unsigned zone)

⏱️ Timing

Total: 754ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.78.112.176`
AAAA	1	`2403:3a00:101:12:112:78:112:176`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`knowledgeforce-p.com (pri: 10)`
TXT	1	`v=spf1 a:www1836.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

IP Addresses

knowledgeforce-p.com has two IP numbers: 2403:3a00:101:12:112:78:112:176 and 112.78.112.176.

Other host names, for instance carlink-lab.co.jp, actsaikyo-badminton.jp, edokt.com, fine-mago.sakura.ne.jp and japan-port.sakura.ne.jp share IP numbers with knowledgeforce-p.com.

Name Servers

knowledgeforce-p.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

knowledgeforce-p.com at least partially shares name servers with other domains, including yurim.sakura.ne.jp, mimiline.jp, siniahaitsu-yugo.sakura.ne.jp, msv-ehc01356.sakura.ne.jp and 20.212.49.in-addr.arpa.

These name servers are commonly used with dns.sakura.ad.jp.

Host names with a single IP:

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

knowledgeforce-p.com is handled by a single mail server, knowledgeforce-p.com.

The host name knowledgeforce-p.com resolves to two IP numbers: 2403:3a00:101:12:112:78:112:176 and 112.78.112.176.

knowledgeforce-p.com - robtex.com