`cloud-for-school.com`

DNSSEC	⚠️ Not signed
A	49.212.207.107^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www3097.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	`cloud-for-school.com` ⭐
		A	49.212.207.107^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3097.sakura.ne.jp`
TXT	`v=spf1 a:www3097.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2017-12-14 #16

`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

5 records (5 active, 0 former)

●NSmaster.dns.ne.jp2026-02-27 → 2026-02-27 · 2 obs

● 2026-02-27 07:05:32
● 2026-02-27 07:05:34

●NSns1.dns.ne.jp2026-02-27 → 2026-02-27 · 2 obs

● 2026-02-27 07:05:32
● 2026-02-27 07:05:34

●NSns2.dns.ne.jp2026-02-27 → 2026-02-27 · 2 obs

● 2026-02-27 07:05:32
● 2026-02-27 07:05:34

●MXcloud-for-school.com2026-02-27 → 2026-02-27 · 2 obs

● 2026-02-27 07:05:32
● 2026-02-27 07:05:34

●A49.212.207.1072026-02-27 → 2026-02-27 · 2 obs

● 2026-02-27 07:05:32
● 2026-02-27 07:05:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
cloud-for-school.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 cloud-for-school.com (unsigned zone)

⏱️ Timing

Total: 1117ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.207.107`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`cloud-for-school.com (pri: 10)`
TXT	1	`v=spf1 a:www3097.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

AI analysis

cloud-for-school.com points to a single IP number: 49.212.207.107.

other host names for instance info-abis.co.jp, eod1.com, kasai.ed.jp, toyo-seikan.co.jp and www3097.sakura.ne.jp share IP numbers with cloud-for-school.com.

cloud-for-school.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

cloud-for-school.com at least partially shares name servers with other domains, for instance dinsgr.co.jp, sundios.jp, kamikira.jp, katuragi.net and jsse.net.

These name servers are commonly used 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.

One mail server handles cloud-for-school.com.

Host name cloud-for-school.com points to IP address 49.212.207.107.

cloud-for-school.com - robtex.com