kudan-con.com - robtex.com
kudan-con.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.249.147🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www4207.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | kudan-con.com ⭐ | ||||||
| A | 133.242.249.147🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www4207.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www4207.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2019-07-24 #17 | ||||||
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=1778819231 | ||||||
MX for
kudan-con.com |
Same first word
kudan-con.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSmaster.dns.ne.jp2020-02-09 → 2026-05-15 · 3 obs
● 2020-02-09 07:07:46
● 2026-05-15 04:28:32
○NSns01.ai-hosting.net2015-07-09 → 2017-03-08 · 5 obs
● 2015-07-09 02:24:42
● 2017-03-08 00:30:26
○ 2020-02-09 07:07:46
○ 2026-05-15 04:28:32
○NSns02.ai-hosting.net2015-07-09 → 2017-03-08 · 5 obs
● 2015-07-09 02:24:42
● 2017-03-08 00:30:26
○ 2020-02-09 07:07:46
○ 2026-05-15 04:28:32
●NSns1.dns.ne.jp2020-02-09 → 2026-05-15 · 3 obs
● 2020-02-09 07:07:46
● 2026-05-15 04:28:32
●NSns2.dns.ne.jp2020-02-09 → 2026-05-15 · 3 obs
● 2020-02-09 07:07:46
● 2026-05-15 04:28:32
●MXkudan-con.com2020-02-09 → 2026-05-15 · 3 obs
● 2020-02-09 07:07:46
● 2026-05-15 04:28:32
○MXmail.kudan-con.com2008-03-13 → 2017-03-08 · 4 obs
● 2017-03-08 00:30:26
○ 2020-02-09 07:07:46
○ 2026-05-15 04:28:32
○A124.109.144.1362008-03-13 → 2008-03-13 · 3 obs
○ 2015-07-09 02:24:42
○ 2026-05-15 04:28:32
●A133.242.249.1472020-02-09 → 2026-05-15 · 3 obs
● 2020-02-09 07:07:46
● 2026-05-15 04:28:32
○A210.129.213.522015-07-09 → 2017-03-08 · 5 obs
● 2015-07-09 02:24:42
● 2017-03-08 00:30:26
○ 2020-02-09 07:07:46
○ 2026-05-15 04:28:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net... | - |
| kudan-con.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kudan-con.com (unsigned zone)
⏱️ Timing
Total: 1274ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.249.147 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | kudan-con.com (pri: 10) |
| TXT | 1 | v=spf1 a:www4207.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
kudan-con.com serves as the mail server for kudan-con.com.
IP Addresses
kudan-con.com points to a single IP number: 133.242.249.147.
Other host names, for instance godai-agc.com, ichirou.sakura.ne.jp, www4207.sakura.ne.jp, masutomi6161.sakura.ne.jp and community-consulting.co.jp share IP numbers with kudan-con.com.
Name Servers
The domain kudan-con.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
kudan-con.com shares name servers with other domains at least partially, for instance decchi.com, digicomimasters.com, nissin-waterjet.com, 149.106.59.in-addr.arpa and gclouddns.com.
these name servers are often used together with the name servers dns.sakura.ad.jp.
Host names with a single IP number:
master.dns.ne.jp points to 210.224.172.18.
ns1.dns.ne.jp points to 61.211.236.1.
ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
A single mail server handles kudan-con.com and kudan-con.com.
Host name kudan-con.com resolves to IP 133.242.249.147.