`circuitconcept.jp`

DNSSEC	⚠️ Not signed
A	49.212.180.27^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www2617.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	`circuitconcept.jp` ⭐
		A	49.212.180.27^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www2617.sakura.ne.jp`
TXT	`v=spf1 a:www2617.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2015-01-15 #12

`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=1774634403

MX for

circuitconcept.jp

Same first word

circuitconcept.jp

Similar names

conceptcircuit.nl

DNS History

5 records (5 active, 0 former)

●NSmaster.dns.ne.jp2015-08-17 → 2026-03-27 · 2 obs

● 2015-08-17 22:51:58
● 2026-03-27 18:40:18

●NSns1.dns.ne.jp2015-08-17 → 2026-03-27 · 2 obs

● 2015-08-17 22:51:58
● 2026-03-27 18:40:18

●NSns2.dns.ne.jp2015-08-17 → 2026-03-27 · 2 obs

● 2015-08-17 22:51:58
● 2026-03-27 18:40:18

●MXcircuitconcept.jp2015-08-17 → 2026-03-27 · 2 obs

● 2015-08-17 22:51:58
● 2026-03-27 18:40:18

●A49.212.180.272015-08-17 → 2026-03-27 · 2 obs

● 2015-08-17 22:51:58
● 2026-03-27 18:40:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
circuitconcept.jp	ns2.dns.ne.jp, ns1.dns.ne.jp	2 records

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for circuitconcept.jp (unsigned zone)

⏱️ Timing

Total: 1076ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.180.27`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`circuitconcept.jp (pri: 10)`
TXT	1	`v=spf1 a:www2617.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

Mail Server Role

For circuitconcept.jp, the mail server is circuitconcept.jp.

IP Addresses

circuitconcept.jp resolves to one IP number: 49.212.180.27.

other host names including tababooks.com, esthe-beauty.net, ami-go-trip.com, ism.rdy.jp and oheyakirari.com share IP numbers with circuitconcept.jp.

Name Servers

circuitconcept.jp is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

circuitconcept.jp at least partially shares name servers with other domains, for instance b-norte.jp, invisalign-japan.com, seidai-iwaki.com, sakegawaya.com and yutani.ne.jp.

Host names with one IP number: 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

circuitconcept.jp is served by a single mail server, circuitconcept.jp.

circuitconcept.jp resolves to IP 49.212.180.27.

circuitconcept.jp - robtex.com