`j-flash.com`

DNSSEC	⚠️ Not signed
NS	`asns1.customer.ne.jp` ⭐
		A	210.150.254.86^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
			PTR	`asns1.customer.ne.jp`
NS	`asns2.customer.ne.jp`
		A	210.150.254.94^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
			PTR	`asns2.customer.ne.jp`
MX	`mx.j-flash.com` ⭐
		A	157.65.165.227^{🇯🇵 InfoSphere157.65.160.0/20 INFOSPHERE}
			PTR	`v1300-227.mailsecure.jp`
TXT	`v=spf1 +ip4:157.65.165.227/32 ~all`
SOA	`asns1.customer.ne.jp`horikoshi@jsb-g.co.jp 2008-02-25 #34

`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=1777344181

Subdomains

mx.j-flash.com

mail.j-flash.com

Same first word

j-flash.com

j-flash.ru

DNS History

4 records (3 active, 1 former)

●NSasns1.customer.ne.jp2015-07-15 → 2026-04-28 · 2 obs

● 2015-07-15 22:33:52
● 2026-04-28 02:57:42

●NSasns2.customer.ne.jp2015-07-15 → 2026-04-28 · 2 obs

● 2015-07-15 22:33:52
● 2026-04-28 02:57:42

○MXmail.j-flash.com2015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 22:33:52
○ 2015-11-19 09:29:34
○ 2026-04-28 02:57:42

●MXmx.j-flash.com2015-11-19 → 2026-04-28 · 3 obs

○ 2015-07-15 22:33:52
● 2015-11-19 09:29:34
● 2026-04-28 02:57:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net...	-
j-flash.com	asns1.customer.ne.jp, asns2.customer.ne.jp	-

✅ Authoritative Response

Server:210.150.254.94

NS records: asns1.customer.ne.jp, asns2.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for j-flash.com (unsigned zone)

⏱️ Timing

Total: 1184ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`asns1.customer.ne.jp, asns2.customer.ne.jp`
MX	1	`mx.j-flash.com (pri: 10)`
TXT	1	`v=spf1 +ip4:157.65.165.227/32 ~all`
SOA	1	`asns1.customer.ne.jp horikoshi.jsb-g.co.`

Analysis

Hierarchy

j-flash.com is the parent of mx.j-flash.com and mail.j-flash.com.

Name Servers

j-flash.com has two name servers: asns1.customer.ne.jp and asns2.customer.ne.jp.

j-flash.com shares the same name server setup as other domains, for example lapt.co.jp, mercros.co.jp, v0800-094.mailsecure.jp, nikken-sogyo.co.jp and sanbiru-m.co.jp.

Host names with a single IP:

asns1.customer.ne.jp points to 210.150.254.86

asns2.customer.ne.jp points to 210.150.254.94

Mail Servers

j-flash.com is handled by a single mail server, mx.j-flash.com.

Host name mx.j-flash.com points to IP 157.65.165.227.

j-flash.com - robtex.com

j-flash.com

com