justcorp-iot.com - robtex.com
justcorp-iot.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.178.112🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | os3-299-39108.vs.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 | justcorp-iot.com ⭐ | ||||||
| A | 49.212.178.112🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | os3-299-39108.vs.sakura.ne.jp | ||||||
| TXT | v=spf1 ip4:49.212.178.112 ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2022-02-11 #1 | ||||||
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=1777585526 | ||||||
MX for
justcorp-iot.com |
Same first word
justcorp-iot.com |
DNS History
6 records (5 active, 1 former)
●MXjustcorp-iot.com2019-12-16 → 2026-04-30 · 2 obs
● 2026-04-30 22:07:38
○A153.127.198.372019-12-16 → 2019-12-16 · 3 obs
○ 2026-04-02 03:48:32
○ 2026-04-30 22:07:38
●A49.212.178.1122026-04-02 → 2026-04-30 · 3 obs
● 2026-04-02 03:48:32
● 2026-04-30 22:07:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| justcorp-iot.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ 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 justcorp-iot.com (unsigned zone)
⏱️ Timing
Total: 405ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.178.112 |
| NS | 2 | ns2.dns.ne.jp, ns1.dns.ne.jp |
| MX | 1 | justcorp-iot.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:49.212.178.112 ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
justcorp-iot.com serves as the mail server for justcorp-iot.com.
IP Addresses
justcorp-iot.com points to an IP address: 49.212.178.112.
Other host names, for instance os3-299-39108.vs.sakura.ne.jp, share IP numbers with justcorp-iot.com.
Name Servers
justcorp-iot.com is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
justcorp-iot.com at least partially shares name servers with other domains, for instance kamiyacho-motomachi.com, matsumiya-net.com, 176.224.210.in-addr.arpa, marie.gallery and mardrechs.com.
These name servers are commonly used alongside dns.sakura.ad.jp.
Host names with one 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
justcorp-iot.com is handled by a single mail server.
The host name justcorp-iot.com points to IP 49.212.178.112.