`oitakensyakyo.jp`

DNSSEC	⚠️ Not signed
A	122.17.175.183^{🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
		PTR	`c15jurg7.mwprem.net`
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	`oitakensyakyo.jp` ⭐
		A	122.17.175.183^{🇯🇵 OCN122.16.0.0/12 (AS4713) CIDR BLOCK 82 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
			PTR	`c15jurg7.mwprem.net`
TXT	`v=spf1 +ip4:122.17.175.183 +ip4:112.78.125.12 a:www512b.sakura.ne.jp a:nenrin...`
TXT	`google-site-verification=uFV7LVQtFv_d6AH1CfRuz1-yBf-CzAoTxXEhiINIoHU`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2025-06-26 #3

`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=1775951102

WOT: SAFE (60/100)

MX for

oitakensyakyo.jp

Same first word

oitakensyakyo.jp

DNS History

11 records (5 active, 6 former)

●NSmaster.dns.ne.jp2026-03-27 → 2026-04-11 · 3 obs

○ 2017-07-10 01:50:52
● 2026-03-27 15:41:00
● 2026-04-11 23:55:32

○NSns-231.dns.jp-e1.cloudn-service.com2016-06-27 → 2017-07-10 · 5 obs

○ 2016-02-08 06:28:52
● 2016-06-27 04:31:58
● 2017-07-10 01:50:52
○ 2026-03-27 15:41:00
○ 2026-04-11 23:55:32

○NSns-232.dns.jp-w1.cloudn-service.com2016-06-27 → 2017-07-10 · 5 obs

○ 2016-02-08 06:28:52
● 2016-06-27 04:31:58
● 2017-07-10 01:50:52
○ 2026-03-27 15:41:00
○ 2026-04-11 23:55:32

○NSns-233.dns.us-e1.cloudn-service.com2016-06-27 → 2017-07-10 · 5 obs

○ 2016-02-08 06:28:52
● 2016-06-27 04:31:58
● 2017-07-10 01:50:52
○ 2026-03-27 15:41:00
○ 2026-04-11 23:55:32

●NSns1.dns.ne.jp2026-03-27 → 2026-04-11 · 3 obs

○ 2017-07-10 01:50:52
● 2026-03-27 15:41:00
● 2026-04-11 23:55:32

○NSns1.secure.net2015-08-14 → 2016-02-08 · 4 obs

● 2015-08-14 19:45:28
● 2016-02-08 06:28:52
○ 2016-06-27 04:31:58
○ 2026-04-11 23:55:32

●NSns2.dns.ne.jp2026-03-27 → 2026-04-11 · 3 obs

○ 2017-07-10 01:50:52
● 2026-03-27 15:41:00
● 2026-04-11 23:55:32

○NSns2.secure.net2015-08-14 → 2016-02-08 · 4 obs

● 2015-08-14 19:45:28
● 2016-02-08 06:28:52
○ 2016-06-27 04:31:58
○ 2026-04-11 23:55:32

●MXoitakensyakyo.jp2015-08-14 → 2026-04-11 · 2 obs

● 2015-08-14 19:45:28
● 2026-04-11 23:55:32

●A122.17.175.1832026-03-27 → 2026-04-11 · 3 obs

○ 2017-07-10 01:50:52
● 2026-03-27 15:41:00
● 2026-04-11 23:55:32

○A153.149.181.1082015-08-14 → 2017-07-10 · 4 obs

● 2015-08-14 19:45:28
● 2017-07-10 01:50:52
○ 2026-03-27 15:41:00
○ 2026-04-11 23:55:32

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oitakensyakyo.jp (unsigned zone)

⏱️ Timing

Total: 630ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`122.17.175.183`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`oitakensyakyo.jp (pri: 10)`
TXT	2	`v=spf1 +ip4:122.17.175.183 +ip4:112.78.1, google-site-verification=uFV7LVQtFv_d6AH`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

oitakensyakyo.jp serves as the mail server for oitakensyakyo.jp.

IP Addresses

oitakensyakyo.jp points to a single IP number: 122.17.175.183.

Other host names, for instance c15jurg7.mwprem.net, share IP numbers with oitakensyakyo.jp.

Name Servers

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

oitakensyakyo.jp at least partially shares name servers with other domains, for instance arco-casa.co.jp, nejikuru.sakura.ne.jp, maple-marina.com, 171rjp.sakura.ne.jp and kouichi-munekiyo.com.

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

A single mail server handles oitakensyakyo.jp.

oitakensyakyo.jp points to a single IP: 122.17.175.183.

oitakensyakyo.jp - robtex.com