heartnetwork.jp - robtex.com
heartnetwork.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 126.143.199.104🇯🇵 GIGAINFRA126.143.0.0/16 BBT-CIDR-BLOCK | ||||||
| NS | ns.heartnetwork.jp ⭐ | ||||||
| A | 126.143.199.104🇯🇵 GIGAINFRA126.143.0.0/16 BBT-CIDR-BLOCK | ||||||
| NS | ns1.heartnetwork.jp | ||||||
| A | 126.143.199.104🇯🇵 GIGAINFRA126.143.0.0/16 BBT-CIDR-BLOCK | ||||||
| A | 203.174.95.100🇯🇵 HEARTNET203.174.88.0/21 | ||||||
| PTR | ns.hearts.ne.jp | ||||||
| NS | ns2.neobb.ne.jp | ||||||
| A | 59.169.126.141🇯🇵 ASN-ATHOMEJP59.169.64.0/18 JCOM Co., Ltd. | ||||||
| NS | ns3.neobb.ne.jp | ||||||
| A | 203.139.203.35🇯🇵 STCN203.139.192.0/19 | ||||||
| MX | idc1.neobb-hunter.net ⭐ | ||||||
| A | 126.143.199.96🇯🇵 GIGAINFRA126.143.0.0/16 BBT-CIDR-BLOCK | ||||||
| TXT | google-site-verification=jD_pj-XVusYzMGJqQ8WsnOAwDeJAmVz47ZBSEn9IXeQ | ||||||
| TXT | v=spf1 +a +mx include:spf.neobb.ne.jp +ip4:61.206.7.64/27 +ip4:202.181.97.93 ... | ||||||
| SOA | ns1.heartnetwork.jpsupport@dcj.jp 2026-03-23 #28 | ||||||
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=1773558003 | ||||||
MX for
Subdomains
Same first word
heartnetwork.jp |
heartnetwork.org |
Similar names
DNS History
12 records (6 active, 6 former)
●NSns.heartnetwork.jp2015-07-03 → 2026-03-23 · 3 obs
● 2015-07-03 12:55:26
● 2026-03-23 15:01:40
○NSns.hearts.ne.jp2007-08-23 → 2018-08-05 · 4 obs
● 2018-08-05 16:16:40
○ 2026-02-15 10:36:56
○ 2026-03-23 15:01:40
●NSns1.heartnetwork.jp2026-02-15 → 2026-03-23 · 3 obs
● 2026-02-15 10:36:56
● 2026-03-23 15:01:40
○NSns1.stnet.ad.jp2007-08-23 → 2018-08-05 · 4 obs
● 2018-08-05 16:16:40
○ 2026-02-15 10:36:56
○ 2026-03-23 15:01:40
●NSns2.neobb.ne.jp2026-02-15 → 2026-03-23 · 3 obs
● 2026-02-15 10:36:56
● 2026-03-23 15:01:40
●NSns3.neobb.ne.jp2026-02-15 → 2026-03-23 · 3 obs
● 2026-02-15 10:36:56
● 2026-03-23 15:01:40
○MX203.174.95.74.heartnetwork.jp2015-07-03 → 2018-08-05 · 5 obs
● 2015-07-03 12:55:26
● 2018-08-05 16:16:40
○ 2026-02-15 10:36:56
○ 2026-03-23 15:01:40
●MXidc1.neobb-hunter.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 15:01:36
● 2026-03-23 15:01:40
○MXmail.heartnetwork.jp2026-02-15 → 2026-03-20 · 5 obs
● 2026-02-15 10:36:56
● 2026-03-20 11:11:12
○ 2026-03-23 15:01:36
○ 2026-03-23 15:01:40
○MXwww.heartnetwork.jp2007-08-23 → 2007-08-23 · 3 obs
○ 2015-07-03 12:55:26
○ 2026-03-23 15:01:40
●A126.143.199.1042026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 15:01:36
● 2026-03-23 15:01:40
○A61.206.7.702026-02-15 → 2026-03-20 · 4 obs
● 2026-03-20 11:11:12
○ 2026-03-23 15:01:36
○ 2026-03-23 15:01:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, g.dns.jp... | - |
| heartnetwork.jp | ns1.heartnetwork.jp, ns2.neobb.ne.jp, ns.heartnetwork.jp, ns3.neobb.ne.jp | 4 records |
✅ Authoritative Response
Server:126.143.199.104
NS records: ns1.heartnetwork.jp, ns2.neobb.ne.jp, ns.heartnetwork.jp, ns3.neobb.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for heartnetwork.jp (unsigned zone)
⏱️ Timing
Total: 831ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 126.143.199.104 |
| NS | 4 | ns1.heartnetwork.jp, ns.heartnetwork.jp... |
| MX | 1 | idc1.neobb-hunter.net (pri: 10) |
| TXT | 2 | v=spf1 +a +mx include:spf.neobb.ne.jp +i, google-site-verification=jD_pj-XVusYzMGJ |
| SOA | 1 | ns1.heartnetwork.jp support.dcj.jp |
📌 Glue Records Collected
Total: 4
In-bailiwick: 2 (ns.heartnetwork.jp, ns1.heartnetwork.jp)
Out-of-bailiwick: 2 (ns2.neobb.ne.jp, ns3.neobb.ne.jp)
Analysis
Hierarchy
heartnetwork.jp is parent of www.heartnetwork.jp, ns1.heartnetwork.jp, mail.heartnetwork.jp and ns.heartnetwork.jp.
Mail Server Role
heartnetwork.jp serves as the mail server for hearts.ne.jp.
IP Addresses
heartnetwork.jp resolves to a single IP address: 126.143.199.104.
Other host names such as ns1.heartnetwork.jp, mail.heartnetwork.jp and ns.heartnetwork.jp share IP numbers with heartnetwork.jp.
Name Servers
heartnetwork.jp is delegated to four name servers: ns1.heartnetwork.jp, ns.heartnetwork.jp, ns2.neobb.ne.jp and ns3.neobb.ne.jp.
heartnetwork.jp at least partially shares name servers with other domains, including ymx.jp, technt.co.jp, comforce.co.jp, kondoki.jp and 064a.7.206.61.in-addr.arpa.
These name servers are commonly used with ns4.neobb.ne.jp, ns1.neobb.ne.jp, ns1.technt.co.jp, ns1.comforce.co.jp, ns1.koshin-ltd.co.jp, ns1.icom.jp and ns1.ueki.co.jp.
Host names with two IP numbers: ns1.heartnetwork.jp points to 126.143.199.104 and 203.174.95.100.
Host names with one IP number: ns.heartnetwork.jp points to 126.143.199.104; ns2.neobb.ne.jp points to 59.169.126.141; ns3.neobb.ne.jp points to 203.139.203.35.
Host names pointing to 126.143.199.104: ns1.heartnetwork.jp and ns.heartnetwork.jp.
Mail Servers
heartnetwork.jp is handled by a single mail server, idc1.neobb-hunter.net.
idc1.neobb-hunter.net points to a single IP: 126.143.199.96.