`knowledgebeans.co.jp`

DNSSEC	⚠️ Not signed
A	49.212.243.72^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www3562.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	`knowledgebeans.co.jp` ⭐
		A	49.212.243.72^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3562.sakura.ne.jp`
TXT	`v=spf1 a:www3562.sakura.ne.jp mx ~all`
TXT	`google-site-verification=WZ-O4TaT006HIp-X3vWIbjju6RIGWwF3RMXIcLza8ts`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-02-03 #2

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

MX for

knowledgebeans.co.jp

Same first word

knowledgebeans.co.jp

DNS History

8 records (5 active, 3 former)

●NSmaster.dns.ne.jp2015-12-07 → 2026-05-10 · 3 obs

○ 2015-08-18 14:11:46
● 2015-12-07 00:57:42
● 2026-05-10 02:31:04

●NSns1.dns.ne.jp2015-12-07 → 2026-05-10 · 3 obs

○ 2015-08-18 14:11:46
● 2015-12-07 00:57:42
● 2026-05-10 02:31:04

○NSns1.secure.net2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 14:11:46
○ 2015-12-07 00:57:42
○ 2026-05-10 02:31:04

●NSns2.dns.ne.jp2015-12-07 → 2026-05-10 · 3 obs

○ 2015-08-18 14:11:46
● 2015-12-07 00:57:42
● 2026-05-10 02:31:04

○NSns2.secure.net2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 14:11:46
○ 2015-12-07 00:57:42
○ 2026-05-10 02:31:04

●MXknowledgebeans.co.jp2015-08-18 → 2026-05-10 · 2 obs

● 2015-08-18 14:11:46
● 2026-05-10 02:31:04

○A192.67.236.1302015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 14:11:46
○ 2015-12-07 00:57:42
○ 2026-05-10 02:31:04

●A49.212.243.722015-12-07 → 2026-05-10 · 3 obs

○ 2015-08-18 14:11:46
● 2015-12-07 00:57:42
● 2026-05-10 02:31:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	g.dns.jp, e.dns.jp, a.dns.jp, c.dns.jp...	-
knowledgebeans.co.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 knowledgebeans.co.jp (unsigned zone)

⏱️ Timing

Total: 897ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.243.72`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`knowledgebeans.co.jp (pri: 10)`
TXT	2	`v=spf1 a:www3562.sakura.ne.jp mx ~all, google-site-verification=WZ-O4TaT006HIp-`
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

Mail Server Role

knowledgebeans.co.jp is the mail server for knowledgebeans.co.jp.

IP Addresses

knowledgebeans.co.jp resolves to a single IP: 49.212.243.72.

Other host names, for instance www.zips.co.jp, ikeko.net, t-meister.jp, zeirishi-law.com and datsumos.com share IP numbers with knowledgebeans.co.jp.

Name Servers

knowledgebeans.co.jp delegates to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

knowledgebeans.co.jp shares some name servers with other domains, for example hmgroup.co.jp, juca.jp, koto-mizube.org, yubaricci.sakura.ne.jp and m-seiyaku.jp.

These name servers are commonly used with the name servers 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

One mail server handles knowledgebeans.co.jp.

Host name knowledgebeans.co.jp points to IP 49.212.243.72.

knowledgebeans.co.jp - robtex.com