trt.co.jp - robtex.com
trt.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.14.15.225🇯🇵 CHIRORO103.14.12.0/22 Chiroro-Net Co.,Ltd. | ||||||
| PTR | sv30.ifn-server.jp | ||||||
| NS | domain.name-server.jp ⭐ | ||||||
| A | 103.14.14.164🇯🇵 CHIRORO103.14.12.0/22 Chiroro-Net Co.,Ltd. | ||||||
| PTR | 103-14-14-164.c3.ptr.chiroro.ne.jp | ||||||
| NS | root.name-server.jp | ||||||
| A | 211.125.109.98🇯🇵 KCT-AS211.125.96.0/20 KCT CIDR BLOCK 1.1 ( AS9622 ) 2661-1 Nakashima, Kurashiki-City, Okayama-Pref, 710-0803 Japan | ||||||
| PTR | root.name-server.jp | ||||||
| MX | mail.trt.co.jp ⭐ | ||||||
| A | 103.14.15.225🇯🇵 CHIRORO103.14.12.0/22 Chiroro-Net Co.,Ltd. | ||||||
| PTR | sv30.ifn-server.jp | ||||||
| TXT | v=spf1 +ip4:103.14.15.225 mx ~all | ||||||
| SOA | domain.name-server.jppostmaster@trt.co.jp 2023-03-02 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSdomain.name-server.jp2026-07-02 → 2026-07-03 · 3 obs
● 2026-07-02 08:35:56
● 2026-07-03 10:38:30
○NSns1.trt.co.jp2017-02-10 → 2017-02-10 · 3 obs
○ 2026-07-02 08:35:56
○ 2026-07-03 10:38:30
○NSns2.trt.co.jp2017-02-10 → 2017-02-10 · 3 obs
○ 2026-07-02 08:35:56
○ 2026-07-03 10:38:30
●NSroot.name-server.jp2026-07-02 → 2026-07-03 · 3 obs
● 2026-07-02 08:35:56
● 2026-07-03 10:38:30
●MXmail.trt.co.jp2026-07-02 → 2026-07-03 · 3 obs
● 2026-07-02 08:35:56
● 2026-07-03 10:38:30
○MXvcgw1.ocn.ad.jp2017-02-10 → 2017-02-10 · 3 obs
○ 2026-07-02 08:35:56
○ 2026-07-03 10:38:30
○MXvcgw2.ocn.ad.jp2017-02-10 → 2017-02-10 · 3 obs
○ 2026-07-02 08:35:56
○ 2026-07-03 10:38:30
○A103.14.12.2062017-02-10 → 2017-02-10 · 3 obs
○ 2026-07-02 08:35:56
○ 2026-07-03 10:38:30
●A103.14.15.2252026-07-02 → 2026-07-03 · 3 obs
● 2026-07-02 08:35:56
● 2026-07-03 10:38:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| trt.co.jp | root.name-server.jp, domain.name-server.jp | 2 records |
✅ Authoritative Response
Server:103.14.14.164
NS records: root.name-server.jp, domain.name-server.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for trt.co.jp (unsigned zone)
⏱️ Timing
Total: 2378ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.14.15.225 |
| NS | 2 | domain.name-server.jp, root.name-server.jp |
| MX | 1 | mail.trt.co.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:103.14.15.225 mx ~all |
| SOA | 1 | domain.name-server.jp postmaster.trt.co. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (root.name-server.jp, domain.name-server.jp)
Analysis
IP Addresses
trt.co.jp has exactly one IP address — 103.14.15.225.
Other host names share IP numbers with trt.co.jp; hirakawacc.com is one such example.
Name Servers
trt.co.jp is served by two delegated name servers, domain.name-server.jp and root.name-server.jp.
The name server configuration of trt.co.jp is shared with other domains, for instance sintec-jp.com, 13.14.103.in-addr.arpa, mp-crew.net and two others.
The name servers of trt.co.jp overlap at least partially with those of other domains — among them museum.yokosuka.kanagawa.jp, kcafe.vn, 117.125.211.in-addr.arpa and two more.
These name servers commonly appear in combination with the name servers nsk01.name-server.jp.
Both domain.name-server.jp and root.name-server.jp have a single IP address each — domain.name-server.jp resolves to 103.14.14.164 while root.name-server.jp resolves to 211.125.109.98.
Mail Servers
trt.co.jp uses one mail server — mail.trt.co.jp.
There is one IP number for mail.trt.co.jp: 103.14.15.225.