worcom.co.jp - robtex.com
worcom.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 1.33.173.209🇯🇵 InfoSphere1.33.0.0/16 INFOSPHERE | ||||||
| PTR | worcom.co.jp | ||||||
| NS | ns3.sphere.ad.jp ⭐ | ||||||
| A | 202.239.113.22🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns3.sphere.ad.jp | ||||||
| NS | ns4.sphere.ad.jp | ||||||
| A | 202.239.113.30🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE | ||||||
| PTR | ns4.sphere.ad.jp | ||||||
| MX | worcom.co.jp ⭐ | ||||||
| A | 1.33.173.209🇯🇵 InfoSphere1.33.0.0/16 INFOSPHERE | ||||||
| PTR | worcom.co.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:1.33.172.2/32 +ip4:1.33.173.209/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034233 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
PTR for
MX for
worcom.co.jp |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2017-02-05 → 2026-05-12 · 2 obs
● 2026-05-12 02:10:56
●NSns4.sphere.ad.jp2017-02-05 → 2026-05-12 · 2 obs
● 2026-05-12 02:10:56
●MXworcom.co.jp2017-02-05 → 2026-05-12 · 2 obs
● 2026-05-12 02:10:56
●A1.33.173.2092017-02-05 → 2026-05-12 · 2 obs
● 2026-05-12 02:10:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| worcom.co.jp | ns3.sphere.ad.jp, ns4.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.30
NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for worcom.co.jp (unsigned zone)
⏱️ Timing
Total: 1649ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 1.33.173.209 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | worcom.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:1.33.17 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
worcom.co.jp serves as the mail server for worcom.co.jp.
IP Addresses
worcom.co.jp points to an IP address: 1.33.173.209.
Name Servers
Two name servers ns3.sphere.ad.jp and ns4.sphere.ad.jp handle the delegation for worcom.co.jp.
worcom.co.jp shares the same name server setup as other domains, for instance okada-ind.co.jp, 209.33.1.in-addr.arpa, i-engi.co-site.jp, iips.org and odakan.com.
worcom.co.jp at least partially shares name servers with other domains, such as bokusuien.com, psi-net.jp and pqs1.com.
Host names with one IP:
ns3.sphere.ad.jp points to: 202.239.113.22
ns4.sphere.ad.jp points to: 202.239.113.30
Mail Servers
worcom.co.jp is handled by a single mail server.
The host name worcom.co.jp points to IP 1.33.173.209.