rex-system.com - dns.ninja

rex-system.com

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
MXms14532409.msv1.invalid.outlook.com ⭐
MXmx.rex-system.com(10)
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
TXTv=spf1 a mx include:spf01.willnet.ad.jp ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1682646040

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786644099

Subdomains

mx.rex-system.com

Same first word

rex-system.com
rex-system.co.jp

DNS History

6 records (6 active, 0 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXms14532409.msv1.invalid.outlook.commx.rex-system.com
●NS01.dnsv.jp2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 02:16:50
● 2026-08-13 18:09:24
●NS02.dnsv.jp2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 02:16:50
● 2026-08-13 18:09:24
●NS03.dnsv.jp2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 02:16:50
● 2026-08-13 18:09:24
●NS04.dnsv.jp2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 02:16:50
● 2026-08-13 18:09:24
●MXms14532409.msv1.invalid.outlook.com2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 02:16:50
● 2026-08-13 18:09:24
●MXmx.rex-system.com2015-06-11 → 2026-08-13 · 2 obs
● 2015-06-11 02:16:50
● 2026-08-13 18:09:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...-
rex-system.com01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp-

✅ Authoritative Response

Server:157.7.33.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1099ms | Queries: -

📄 Records

TypeCountSample Data
NS401.dnsv.jp, 02.dnsv.jp...
MX2ms14532409.msv1.invalid.outlook.com (pri, mx.rex-system.com (pri: 10)
TXT1v=spf1 a mx include:spf01.willnet.ad.jp
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

Hierarchy

rex-system.com is the parent zone for mx.rex-system.com.

Name Servers

rex-system.com has four authoritative name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

rex-system.com partially shares its NS delegation with several other domains, including ekoon.net, 9999.jp, luck-can.net and two others.

Host names with two IP numbers:

01.dnsv.jp maps to two IP addresses — 157.7.32.53 and 2400:8500:3300::53.

03.dnsv.jp maps to two IP addresses — 157.7.34.53 and 2400:8500:3000::53.

04.dnsv.jp maps to two IP addresses — 157.7.35.53 and 2400:8500:3fff::53.

Host names pointing to a single IP address:

02.dnsv.jp points to the IP address 157.7.33.53.

Mail Servers

rex-system.com has two mail servers: mx.rex-system.com and ms14532409.msv1.invalid.outlook.com.

Host names pointing to a single IP address:

mx.rex-system.com points to the IP address 163.43.91.68.