rex-system.co.jp - robtex.com

rex-system.co.jp

DNSSEC⚠️ Not signed
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXmx.rex-system.co.jp ⭐
A163.43.91.68🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRsecure05.willnet.org
TXTMS=1262A41DF923D4D1FCB423E48936DCF09EAC3015
TXTgoogle-site-verification=4jTIQEiBQFNOvdyIKoroHxoKneXE7KC9X7O1AaEL4T8
TXTv=spf1 a mx include:spf01.willnet.ad.jp ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1659315933

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Subdomains

www.rex-system.co.jp
ssl.rex-system.co.jp
mx.rex-system.co.jp

Same first word

rex-system.co.jp

DNS History

5 records (5 active, 0 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXmx.rex-system.co.jp
●NS01.dnsv.jp2015-04-25 → 2026-04-11 · 2 obs
● 2015-04-25 04:16:48
● 2026-04-11 19:23:22
●NS02.dnsv.jp2015-04-25 → 2026-04-11 · 2 obs
● 2015-04-25 04:16:48
● 2026-04-11 19:23:22
●NS03.dnsv.jp2015-04-25 → 2026-04-11 · 2 obs
● 2015-04-25 04:16:48
● 2026-04-11 19:23:22
●NS04.dnsv.jp2015-04-25 → 2026-04-11 · 2 obs
● 2015-04-25 04:16:48
● 2026-04-11 19:23:22
●MXmx.rex-system.co.jp2015-04-25 → 2026-04-11 · 2 obs
● 2015-04-25 04:16:48
● 2026-04-11 19:23:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpd.dns.jp, a.dns.jp, f.dns.jp, h.dns.jp...-
rex-system.co.jp04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.35.53

NS records: 04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp, 01.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rex-system.co.jp (unsigned zone)

⏱️ Timing

Total: 612ms | Queries: -

📄 Records

TypeCountSample Data
NS401.dnsv.jp, 02.dnsv.jp...
MX1mx.rex-system.co.jp (pri: 10)
TXT3MS=1262A41DF923D4D1FCB423E48936DCF09EAC3, google-site-verification=4jTIQEiBQFNOvdy...
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

Hierarchy

rex-system.co.jp is a parent of www.rex-system.co.jp, ssl.rex-system.co.jp and mx.rex-system.co.jp.

Name Servers

rex-system.co.jp delegates to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

rex-system.co.jp at least partially shares name servers with other domains, including tobu-maas.jp, nextpower-kepco.jp, syukado.jp, j-stella.jp and abfri.biz.

Host names with two IPs:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53

Host names with one IP:

02.dnsv.jp points to 157.7.33.53

Mail Servers

A single mail server handles rex-system.co.jp, mx.rex-system.co.jp.

Host name mx.rex-system.co.jp resolves to a single IP: 163.43.91.68.