topcareer.jp - robtex.com
topcareer.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.254.150.172🇸🇬 Amazon54.254.128.0/17 SIN prefix | ||||||
| PTR | topcareer.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 | mail.topcareer.jp ⭐ | ||||||
| A | 133.242.12.224🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| TXT | v=spf1 +ip4:133.242.63.100 +ip4:133.242.12.224 +ip4:54.254.150.172 -all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2020-02-18 #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=1778371203 | ||||||
Subdomains
www.topcareer.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.topcareer.jp2015-05-27 → 2026-05-10 · 2 obs
● 2026-05-10 00:18:22
●A54.254.150.1722015-05-27 → 2026-05-10 · 2 obs
● 2026-05-10 00:18:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| topcareer.jp | ns2.dns.ne.jp, ns1.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for topcareer.jp (unsigned zone)
⏱️ Timing
Total: 935ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.254.150.172 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mail.topcareer.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:133.242.63.100 +ip4:133.242. |
| 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
The parent of www.topcareer.jp is topcareer.jp.
IP Addresses
topcareer.jp points to IP number: 54.254.150.172.
Other host names, for instance www.topcareer.jp share IP numbers with topcareer.jp.
Name Servers
topcareer.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
topcareer.jp at least partially shares name servers with other domains, for instance cut1919.com, i-bul.com, zrx.info, tipoff.jp and smilenetlife.sakura.ne.jp.
these name servers are often used in conjunction with the name servers dns.sakura.ad.jp.
Host names with a single IP:
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
topcareer.jp is handled by a single mail server, mail.topcareer.jp.
mail.topcareer.jp points to a single IP: 133.242.12.224.