`schoolengineer.com`

DNSSEC	⚠️ Not signed
A	182.48.49.104^{🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www2194.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	`schoolengineer.com` ⭐
		A	182.48.49.104^{🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www2194.sakura.ne.jp`
TXT	`v=spf1 a:www2194.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2015-03-06 #1

`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

MX for

schoolengineer.com

Same first word

schoolengineer.com

DNS History

5 records (5 active, 0 former)

●NSmaster.dns.ne.jp2015-05-27 → 2026-03-18 · 2 obs

● 2015-05-27 05:15:08
● 2026-03-18 09:45:30

●NSns1.dns.ne.jp2015-05-27 → 2026-03-18 · 2 obs

● 2015-05-27 05:15:08
● 2026-03-18 09:45:30

●NSns2.dns.ne.jp2015-05-27 → 2026-03-18 · 2 obs

● 2015-05-27 05:15:08
● 2026-03-18 09:45:30

●MXschoolengineer.com2015-05-27 → 2026-03-18 · 2 obs

● 2015-05-27 05:15:08
● 2026-03-18 09:45:30

●A182.48.49.1042015-05-27 → 2026-03-18 · 2 obs

● 2015-05-27 05:15:08
● 2026-03-18 09:45:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
schoolengineer.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 schoolengineer.com (unsigned zone)

⏱️ Timing

Total: 1940ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`182.48.49.104`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`schoolengineer.com (pri: 10)`
TXT	1	`v=spf1 a:www2194.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

schoolengineer.com is the mail server for schoolengineer.com.

IP Addresses

schoolengineer.com resolves to a single IP: 182.48.49.104.

Other host names, for instance www2194.sakura.ne.jp, bodybase.jp, place-map.com, franckmuller.sakura.ne.jp and www.ebr-med.or.jp share IP numbers with schoolengineer.com.

Name Servers

schoolengineer.com delegates to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

schoolengineer.com shares some name servers with other domains, for example imayama.net, secretsource.jp, goovice.net, mado.or.jp and bskbsk.jp.

These name servers are commonly used with the name servers dns.sakura.ad.jp.

Host names with a single IP: 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

One mail server handles schoolengineer.com.

Host name schoolengineer.com points to IP 182.48.49.104.

schoolengineer.com - robtex.com