tknc.jp - robtex.com
tknc.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.235.108🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3398.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 | tknc.jp ⭐ | ||||||
| A | 49.212.235.108🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3398.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3398.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-04-23 #1 | ||||||
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=1784580302 | ||||||
MX for
tknc.jp |
Subdomains
www.tknc.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXtknc.jp2018-10-06 → 2026-07-20 · 2 obs
● 2026-07-20 20:56:34
●A49.212.235.1082018-10-06 → 2026-07-20 · 2 obs
● 2026-07-20 20:56:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, d.dns.jp, e.dns.jp, f.dns.jp... | - |
| tknc.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tknc.jp (unsigned zone)
⏱️ Timing
Total: 928ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.108 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | tknc.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3398.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Hierarchy
tknc.jp is the parent zone for www.tknc.jp.
Mail Server Role
The MX record for tknc.jp points back to tknc.jp — it is its own mail server.
IP Addresses
tknc.jp directs to one IP number, which is 49.212.235.108.
Among the host names that share IP numbers with tknc.jp are cablesystems.co.jp, nichimen.or.jp, sinclo.medialink-ml.co.jp and two others.
Name Servers
Three name servers are authoritative for tknc.jp: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
tknc.jp partially shares its NS delegation with several other domains, including amario.sakura.ne.jp, airness.jp, beloved-dog.com and two others.
Three hostnames, one IP address apiece: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
The MX record for tknc.jp points to a single mail server: tknc.jp.
There is one IP number for tknc.jp: 49.212.235.108.