corenetwork.jp - robtex.com
corenetwork.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | corenetwork.jp ⭐ | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| A | 210.139.255.1🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| A | 210.139.255.17🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss11.so-net.ne.jp | ||||||
| MX | sonet-common-mx.xspmail.jp ⭐ | ||||||
| A | 2001:240:bb81:94:160:13:60:174🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | sonet-common-mx.xspmail.jp | ||||||
| A | 160.13.60.174🇯🇵 IIJ-AS160.13.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | sonet-common-mx.xspmail.jp | ||||||
| TXT | v=spf1 +include:plusdomain.spf.so-net.ne.jp ~all | ||||||
| SOA | corenetwork.jphostmaster@corenetwork.jp serial=2602171610 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1776008702 | ||||||
NS for
corenetwork.jp |
Same first word
corenetwork.se |
corenetwork.us |
corenetwork.jp |
corenetwork.ca |
corenetwork.biz |
corenetwork.nl |
corenetwork.click |
Similar names
networkcore.co.uk |
networkcore.forum |
networkcore.eti.br |
networkcore.com |
networkcore.site |
networkcore.net |
reconetwork.com |
DNS History
5 records (4 active, 1 former)
●NScorenetwork.jp2015-05-11 → 2026-04-12 · 2 obs
● 2026-04-12 16:18:10
●NSdnss10.so-net.ne.jp2015-05-11 → 2026-04-12 · 2 obs
● 2026-04-12 16:18:10
●NSdnss11.so-net.ne.jp2015-05-11 → 2026-04-12 · 2 obs
● 2026-04-12 16:18:10
○MXmxpin.ms.so-net.ne.jp2015-05-11 → 2019-03-21 · 4 obs
● 2019-03-21 01:49:12
○ 2026-04-11 01:09:02
○ 2026-04-12 16:18:10
●MXsonet-common-mx.xspmail.jp2026-04-11 → 2026-04-12 · 3 obs
● 2026-04-11 01:09:02
● 2026-04-12 16:18:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, a.dns.jp, h.dns.jp, g.dns.jp... | - |
| corenetwork.jp | dnss11.so-net.ne.jp, dnss10.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.1
NS records: dnss11.so-net.ne.jp, dnss10.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for corenetwork.jp (unsigned zone)
⏱️ Timing
Total: 2351ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp |
| MX | 1 | sonet-common-mx.xspmail.jp (pri: 10) |
| TXT | 1 | v=spf1 +include:plusdomain.spf.so-net.ne |
| SOA | 1 | corenetwork.jp hostmaster.corenetwork.jp |
Analysis
Name Server Role
corenetwork.jp serves as a name server for corenetwork.jp.
dnss10.so-net.ne.jp and dnss11.so-net.ne.jp are commonly used as name servers together with corenetwork.jp.
Name Servers
corenetwork.jp is delegated to three name servers: corenetwork.jp, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
corenetwork.jp at least partially shares name servers with other domains, for instance ebukuro.co.jp, eddyplus.co.jp, jsee.or.jp, ore-ore3z.com and koma9.com.
These name servers are commonly used alongside haramuseum.or.jp, naka-high.com and tomato-s.co.jp.
Host names with one IP:
dnss10.so-net.ne.jp points to: 210.139.255.1
dnss11.so-net.ne.jp points to: 210.139.255.17
Mail Servers
corenetwork.jp is handled by a single mail server, sonet-common-mx.xspmail.jp.
corenetwork.jp uses the same mail server setup as other domains, for instance bonsense.net, manaway.biz, jpd-h.com, abfc.jp and arc-muse.com.
corenetwork.jp shares at least partially some mail servers with other domains, for instance jc-shoukai.com, sogabe.info, muto-d.com, nishinonishino.com and au-coin-du-feu.net.
sonet-common-mx.xspmail.jp resolves to two IPs: 2001:240:bb81:94:160:13:60:174 and 160.13.60.174.