sprint.simplex-tech.co.jp - robtex.com

sprint.simplex-tech.co.jp

DNSSEC⚠️ Not signed
NSns000.d-53.net
NSdns-b.iij.ad.jp ⚠️ Not in zone NS records
A2001:240:bb81::28:51🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.biz
A202.32.219.51🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.biz
NSdns-c.iij.ad.jp ⚠️ Not in zone NS records
A2001:240:bb81::29:111🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.net
A210.138.20.111🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.net
NSns020-3k2cunb2847cc48q.3.d-53.info ⚠️ Not in parent delegation
A2001:240:bb81::28:51🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.biz
A202.32.219.51🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.biz
NSns020-3k2cunb2847cc48q.3.d-53.jp ⚠️ Not in parent delegation
A2001:240:bb81::29:1111🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.org
A203.180.146.111🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.org
NSns020-3k2cunb2847cc48q.3.d-53.net ⚠️ Not in parent delegation
A2001:240:bb81::29:111🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )
PTRs020.d-53.net
A210.138.20.111🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )
PTRs020.d-53.net
SOAns000.d-53.netdns-managers@iij.ad.jp serial=293

simplex-tech.co.jp

DNSSEC⚠️ Not signed
NSnameserver1.kvh.ne.jp
NSnameserver2.kvh.ne.jp
MXsimplextech-co-jp01i.mail.protection.outlook.com
MXmx2.greatsimplex.com(5)
TXTv=spf1 +ip4:122.214.1.96/28 +ip4:61.206.171.224/28 include:simplex-cn-co-jp.h...
TXTMS=ms42833032
TXTrdETfkAwMKauBD8fGPcC1KzyEf7SIH
TXTgoogle-site-verification=9KNvz-R5HDUB-7M93pTEDkOrHyfDRyWL4k3mcJOn3TA
SOAnameserver1.kvh.ne.jppostmaster@kvh.ne.jp 2025-07-03 #1

Subdomains

Same first word

Similar names

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
simplex-tech.co.jpnameserver1.kvh.ne.jp, nameserver2.kvh.ne.jp2 records
sprint.simplex-tech.co.jpdns-c.iij.ad.jp, dns-b.iij.ad.jp-

✅ Authoritative Response

Server:202.32.219.51

NS records: dns-c.iij.ad.jp, dns-b.iij.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplex-tech.co.jp (unsigned zone)

⏱️ Timing

Total: 1830ms | Queries: -

📄 Records

TypeCountSample Data
NS3ns020-3k2cunb2847cc48q.3.d-53.jp, ns020-3k2cunb2847cc48q.3.d-53.net...
SOA1ns000.d-53.net dns-managers.iij.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nameserver1.kvh.ne.jp, nameserver2.kvh.ne.jp)

Analysis

Hierarchy

sprint.simplex-tech.co.jp is the parent of hsalpha-stg.sprint.simplex-tech.co.jp.

Name Servers

sprint.simplex-tech.co.jp is delegated to six name servers: ns000.d-53.net, ns020-3k2cunb2847cc48q.3.d-53.info, dns-b.iij.ad.jp, dns-c.iij.ad.jp, ns020-3k2cunb2847cc48q.3.d-53.jp and ns020-3k2cunb2847cc48q.3.d-53.net.

sprint.simplex-tech.co.jp at least partially shares name servers with other domains, for instance jps.or.jp, z-hsg.or.jp, dsb-is.co.jp, shiseido.ru and 149.151.118.yw.2iij.net.

these name servers are often used together with rev.iij-dns.jp, rev.iij-dns.net, dns0.iij-swg.jp and dns1.iij-swg.jp.

Host names with two IP numbers:

ns020-3k2cunb2847cc48q.3.d-53.info points to 2001:240:bb81::28:51 and 202.32.219.51

dns-b.iij.ad.jp points to 2001:240:bb81::28:51 and 202.32.219.51

dns-c.iij.ad.jp points to 2001:240:bb81::29:111 and 210.138.20.111

ns020-3k2cunb2847cc48q.3.d-53.jp points to 2001:240:bb81::29:1111 and 203.180.146.111

ns020-3k2cunb2847cc48q.3.d-53.net points to 2001:240:bb81::29:111 and 210.138.20.111

Host names that point to 2001:240:bb81::28:51: ns020-3k2cunb2847cc48q.3.d-53.info and dns-b.iij.ad.jp

Host names that point to 202.32.219.51: ns020-3k2cunb2847cc48q.3.d-53.info and dns-b.iij.ad.jp

Host names that point to 2001:240:bb81::29:111: dns-c.iij.ad.jp and ns020-3k2cunb2847cc48q.3.d-53.net

Host names that point to 210.138.20.111: dns-c.iij.ad.jp and ns020-3k2cunb2847cc48q.3.d-53.net