`dogschoolunited.com`

DNSSEC	⚠️ Not signed
A	2403:3a00:101:f:219:94:163:201^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`www1561.sakura.ne.jp`
A	219.94.163.201^{🇯🇵 SAKURA-C219.94.128.0/17 (3/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	`dogschoolunited.com` ⭐
		A	2403:3a00:101:f:219:94:163:201^{🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`www1561.sakura.ne.jp`
		A	219.94.163.201^{🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www1561.sakura.ne.jp`
TXT	`v=spf1 a:www1561.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2016-11-22 #0

`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=1774422097

MX for

dogschoolunited.com

Same first word

dogschoolunited.com

DNS History

6 records (6 active, 0 former)

●NSmaster.dns.ne.jp2015-06-30 → 2026-03-25 · 2 obs

● 2015-06-30 03:48:02
● 2026-03-25 07:03:44

●NSns1.dns.ne.jp2015-06-30 → 2026-03-25 · 2 obs

● 2015-06-30 03:48:02
● 2026-03-25 07:03:44

●NSns2.dns.ne.jp2015-06-30 → 2026-03-25 · 2 obs

● 2015-06-30 03:48:02
● 2026-03-25 07:03:44

●MXdogschoolunited.com2015-06-30 → 2026-03-25 · 2 obs

● 2015-06-30 03:48:02
● 2026-03-25 07:03:44

●A219.94.163.2012015-06-30 → 2026-03-25 · 2 obs

● 2015-06-30 03:48:02
● 2026-03-25 07:03:44

●A2403:3a00:101:f:219:94:163:2012017-02-08 → 2026-03-25 · 3 obs

○ 2015-06-30 03:48:02
● 2017-02-08 11:51:18
● 2026-03-25 07:03:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...	-
dogschoolunited.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ 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 dogschoolunited.com (unsigned zone)

⏱️ Timing

Total: 923ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`219.94.163.201`
AAAA	1	`2403:3a00:101:f:219:94:163:201`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`dogschoolunited.com (pri: 10)`
TXT	1	`v=spf1 a:www1561.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

dogschoolunited.com serves as a mail server for dogschoolunited.com.

IP Addresses

dogschoolunited.com points to two IP numbers: 2403:3a00:101:f:219:94:163:201 and 219.94.163.201.

Other host names, for instance r-studio.biz, sob-b.sakura.ne.jp, mail.tanikawa-syoukai.com, tokai-ss.com and 01archi.sakura.ne.jp share IP numbers with dogschoolunited.com.

Name Servers

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

dogschoolunited.com at least partially shares its name servers with other domains, for instance shimaya-inc.net, harima-sci.or.jp, e-taberu.com, tachi-photos.com and shikaku-community.com.

These name servers are often used together with the name servers dns.sakura.ad.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

dogschoolunited.com is handled by a single mail server.

Hostname dogschoolunited.com resolves to two IPs: 2403:3a00:101:f:219:94:163:201 and 219.94.163.201.

dogschoolunited.com - robtex.com