`schoolwalker.com`

DNSSEC	⚠️ Not signed
A	182.48.49.165^{🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www2225.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	`schoolwalker.com` ⭐
		A	182.48.49.165^{🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www2225.sakura.ne.jp`
TXT	`v=spf1 a:www2225.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2014-12-13 #10

`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=1774633287

MX for

schoolwalker.com

Same first word

schoolwalker.com

DNS History

5 records (5 active, 0 former)

●NSmaster.dns.ne.jp2015-10-21 → 2026-03-27 · 3 obs

○ 2008-11-18 05:00:34
● 2015-10-21 17:16:00
● 2026-03-27 18:01:10

●NSns1.dns.ne.jp2015-10-21 → 2026-03-27 · 3 obs

○ 2008-11-18 05:00:34
● 2015-10-21 17:16:00
● 2026-03-27 18:01:10

●NSns2.dns.ne.jp2015-10-21 → 2026-03-27 · 3 obs

○ 2008-11-18 05:00:34
● 2015-10-21 17:16:00
● 2026-03-27 18:01:10

●MXschoolwalker.com2015-10-21 → 2026-03-27 · 3 obs

○ 2008-11-18 05:00:34
● 2015-10-21 17:16:00
● 2026-03-27 18:01:10

●A182.48.49.1652015-10-21 → 2026-03-27 · 3 obs

○ 2008-11-18 05:00:34
● 2015-10-21 17:16:00
● 2026-03-27 18:01:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net...	-
schoolwalker.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 schoolwalker.com (unsigned zone)

⏱️ Timing

Total: 1071ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`182.48.49.165`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`schoolwalker.com (pri: 10)`
TXT	1	`v=spf1 a:www2225.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

For schoolwalker.com, the mail server is schoolwalker.com.

IP Addresses

schoolwalker.com resolves to one IP number: 182.48.49.165.

other host names including mail.c-conet.org, kujyou-kaikei.com, lsicciadeli.com, bookbright.co.jp and toruotani.com share IP numbers with schoolwalker.com.

Name Servers

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

schoolwalker.com at least partially shares name servers with other domains, for instance rnap-design.com, ivano.co.jp, tsukui.info, lclogi.com and seiwafilms.from.tv.

these name servers are commonly used alongside 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

schoolwalker.com is served by a single mail server, schoolwalker.com.

schoolwalker.com resolves to IP 182.48.49.165.

schoolwalker.com - robtex.com