`schoolnetwork.jp`

DNSSEC	⚠️ Not signed
A	133.125.148.28^{🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
		PTR	`ik10017.mixhost.jp`
NS	`ns1.mixhost.jp` ⭐
		A	162.159.24.192^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.mixhost.jp`
		A	162.159.25.9^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.mixhost.jp` ⚠️ Not in zone NS records
		A	162.159.24.192^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns4.mixhost.jp` ⚠️ Not in zone NS records
		A	162.159.25.9^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns5.mixhost.jp` ⚠️ Not in zone NS records
		A	162.159.24.192^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`schoolnetwork.jp` ⭐
		A	133.125.148.28^{🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ik10017.mixhost.jp`
TXT	`v=spf1 redirect=_spf.mixhost.jp`
TXT	`google-site-verification=N3bmVn5GOBgnSuHe9R0rgH9BxUktkqF-iidu3UXrSrY`
SOA	`ns1.mixhost.jp`system@mixhost.info 2026-03-23 #0

`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=1774446302

rank #857837 globally
rank #15649 in the tld

MX for

schoolnetwork.jp

Subdomains

www.schoolnetwork.jp

Same first word

schoolnetwork.jp

schoolnetwork.info

schoolnetwork.tv

Similar names

networkschool.org

networkschool.com

DNS History

13 records (7 active, 6 former)

○NS01.dnsv.jp2015-06-09 → 2017-04-18 · 3 obs

● 2015-06-09 12:02:54
● 2017-04-18 14:54:12
○ 2026-03-25 14:05:06

○NS02.dnsv.jp2015-06-09 → 2017-04-18 · 3 obs

● 2015-06-09 12:02:54
● 2017-04-18 14:54:12
○ 2026-03-25 14:05:06

○NS03.dnsv.jp2015-06-09 → 2017-04-18 · 3 obs

● 2015-06-09 12:02:54
● 2017-04-18 14:54:12
○ 2026-03-25 14:05:06

○NS04.dnsv.jp2015-06-09 → 2017-04-18 · 3 obs

● 2015-06-09 12:02:54
● 2017-04-18 14:54:12
○ 2026-03-25 14:05:06

●NSns1.mixhost.jp2026-03-25 → 2026-03-25 · 2 obs

○ 2017-04-18 14:54:12
● 2026-03-25 14:05:06

●NSns2.mixhost.jp2026-03-25 → 2026-03-25 · 2 obs

○ 2017-04-18 14:54:12
● 2026-03-25 14:05:06

●NSns3.mixhost.jp2026-03-25 → 2026-03-25 · 2 obs

○ 2017-04-18 14:54:12
● 2026-03-25 14:05:06

●NSns4.mixhost.jp2026-03-25 → 2026-03-25 · 2 obs

○ 2017-04-18 14:54:12
● 2026-03-25 14:05:06

●NSns5.mixhost.jp2026-03-25 → 2026-03-25 · 2 obs

○ 2017-04-18 14:54:12
● 2026-03-25 14:05:06

○MXgt403.secure.ne.jp2015-06-09 → 2017-04-18 · 3 obs

● 2015-06-09 12:02:54
● 2017-04-18 14:54:12
○ 2026-03-25 14:05:06

●MXschoolnetwork.jp2026-03-25 → 2026-03-25 · 2 obs

○ 2017-04-18 14:54:12
● 2026-03-25 14:05:06

●A133.125.148.282026-03-25 → 2026-03-25 · 2 obs

○ 2017-04-18 14:54:12
● 2026-03-25 14:05:06

○A158.199.212.1482015-06-09 → 2017-04-18 · 3 obs

● 2015-06-09 12:02:54
● 2017-04-18 14:54:12
○ 2026-03-25 14:05:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
schoolnetwork.jp	ns1.mixhost.jp, ns2.mixhost.jp, ns3.mixhost.jp, ns4.mixhost.jp...	-

✅ Authoritative Response

Server:162.159.25.9

NS records: ns1.mixhost.jp, ns2.mixhost.jp, ns3.mixhost.jp, ns4.mixhost.jp, ns5.mixhost.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolnetwork.jp (unsigned zone)

⏱️ Timing

Total: 1417ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.125.148.28`
NS	2	`ns2.mixhost.jp, ns1.mixhost.jp`
MX	1	`schoolnetwork.jp (pri: 0)`
TXT	2	`v=spf1 redirect=_spf.mixhost.jp, google-site-verification=N3bmVn5GOBgnSuH`
SOA	1	`ns1.mixhost.jp system.mixhost.info`

Analysis

Hierarchy

The parent of www.schoolnetwork.jp is schoolnetwork.jp.

Mail Server Role

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

IP Addresses

schoolnetwork.jp points to a single IP number: 133.125.148.28.

Other host names, for instance rockyhorror.jp, oselnet.com, yoneoka.net, wondershota.site and a-s.site share IP numbers with schoolnetwork.jp.

Name Servers

schoolnetwork.jp is delegated to five name servers: ns1.mixhost.jp, ns2.mixhost.jp, ns3.mixhost.jp, ns4.mixhost.jp and ns5.mixhost.jp.

schoolnetwork.jp shares name servers with other domains at least partially, for instance 108bit.net, panchirasan.site, matsuo-575.net, chiilabo.com and ookisyoukai.com.