koutaro.com - robtex.com
koutaro.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.112.187.64🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc. | ||||||
| PTR | sv43.star.ne.jp | ||||||
| NS | ns1.star-domain.jp ⭐ | ||||||
| A | 162.43.112.88🇯🇵 XSERVER-AS162.43.112.0/21 XSERVER Inc. | ||||||
| PTR | ns1.star-domain.jp | ||||||
| NS | ns2.star-domain.jp | ||||||
| A | 176.32.75.178🇯🇵 Amazon176.32.64.0/19 EC2 NRT prefix | ||||||
| PTR | ns2.star-domain.jp | ||||||
| NS | ns3.star-domain.jp | ||||||
| A | 162.43.113.241🇯🇵 XSERVER-AS162.43.112.0/21 XSERVER Inc. | ||||||
| PTR | ns3.star-domain.jp | ||||||
| MX | koutaro.com ⭐ | ||||||
| A | 157.112.187.64🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc. | ||||||
| PTR | sv43.star.ne.jp | ||||||
| TXT | v=spf1 +a:sv43.star.ne.jp +a:koutaro.com +mx include:spf.sender.netowl.jp ~all | ||||||
| SOA | ns1.star-domain.jproot@star-domain.jp serial=0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
MX for
koutaro.com |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NS01.dnsv.jp2015-08-11 → 2016-07-10 · 4 obs
● 2016-07-10 10:42:32
○ 2026-02-23 00:17:46
○ 2026-03-24 11:59:54
○NS02.dnsv.jp2015-08-11 → 2016-07-10 · 4 obs
● 2016-07-10 10:42:32
○ 2026-02-23 00:17:46
○ 2026-03-24 11:59:54
○NS03.dnsv.jp2015-08-11 → 2016-07-10 · 4 obs
● 2016-07-10 10:42:32
○ 2026-02-23 00:17:46
○ 2026-03-24 11:59:54
○NS04.dnsv.jp2015-08-11 → 2016-07-10 · 4 obs
● 2016-07-10 10:42:32
○ 2026-02-23 00:17:46
○ 2026-03-24 11:59:54
●NSns1.star-domain.jp2026-02-23 → 2026-03-24 · 3 obs
● 2026-02-23 00:17:46
● 2026-03-24 11:59:54
●NSns2.star-domain.jp2026-02-23 → 2026-03-24 · 3 obs
● 2026-02-23 00:17:46
● 2026-03-24 11:59:54
●NSns3.star-domain.jp2026-02-23 → 2026-03-24 · 3 obs
● 2026-02-23 00:17:46
● 2026-03-24 11:59:54
●MXkoutaro.com2026-02-23 → 2026-03-24 · 3 obs
● 2026-02-23 00:17:46
● 2026-03-24 11:59:54
○MXmailforward.dnsv.jp2015-08-11 → 2016-07-10 · 4 obs
● 2016-07-10 10:42:32
○ 2026-02-23 00:17:46
○ 2026-03-24 11:59:54
●A157.112.187.642026-02-23 → 2026-03-24 · 2 obs
● 2026-03-24 11:59:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| koutaro.com | ns1.star-domain.jp, ns2.star-domain.jp, ns3.star-domain.jp | - |
✅ Authoritative Response
Server:162.43.112.88
NS records: ns1.star-domain.jp, ns2.star-domain.jp, ns3.star-domain.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koutaro.com (unsigned zone)
⏱️ Timing
Total: 899ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.187.64 |
| NS | 3 | ns3.star-domain.jp, ns1.star-domain.jp... |
| MX | 1 | koutaro.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv43.star.ne.jp +a:koutaro.com |
| SOA | 1 | ns1.star-domain.jp root.star-domain.jp |
Analysis
Mail Server Role
koutaro.com serves as the mail server for koutaro.com.
IP Addresses
koutaro.com points to an IP address: 157.112.187.64.
other host names include 9taro.com, analytics.antr.jp, tsunepy.net, akanainu.jp and busdouraku.com; they share IP numbers with koutaro.com.
Name Servers
koutaro.com is delegated to three name servers ns1.star-domain.jp, ns2.star-domain.jp and ns3.star-domain.jp.
koutaro.com at least partially shares name servers with other domains, for instance aistear.net, contentstourism.com, mizu-kasamatsuchou.com, cyc-soft.com and yamadagundan.co.jp.
Host names with one IP:
ns1.star-domain.jp points to 162.43.112.88; ns2.star-domain.jp points to 176.32.75.178; ns3.star-domain.jp points to 162.43.113.241.
Mail Servers
koutaro.com is handled by a single mail server.
The host name koutaro.com points to IP 157.112.187.64.