rundum.jp - robtex.com
rundum.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.245.143.105🇯🇵 InfoSphere119.245.0.0/16 INFOSPHERE | ||||||
| PTR | rundum.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 | rundum.jp ⭐ | ||||||
| A | 119.245.143.105🇯🇵 InfoSphere119.245.0.0/16 INFOSPHERE | ||||||
| PTR | rundum.co.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:119.245.143.105/32 +ip4:119.245.142.2/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034183 | ||||||
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=1774782902 | ||||||
MX for
rundum.jp |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-08-07 → 2026-03-29 · 2 obs
● 2026-03-29 11:34:24
●NSns4.sphere.ad.jp2015-08-07 → 2026-03-29 · 2 obs
● 2026-03-29 11:34:24
●MXrundum.jp2015-08-07 → 2026-03-29 · 2 obs
● 2026-03-29 11:34:24
●A119.245.143.1052015-08-07 → 2026-03-29 · 2 obs
● 2026-03-29 11:34:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| rundum.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 rundum.jp (unsigned zone)
⏱️ Timing
Total: 1520ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 119.245.143.105 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | rundum.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:119.245 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
The mail server for rundum.jp is rundum.jp.
IP Addresses
rundum.jp maps to IP address 119.245.143.105.
Other host names, for example, mail.rundum.co.jp share IP numbers with rundum.jp.
Name Servers
Two name servers ns3.sphere.ad.jp and ns4.sphere.ad.jp are delegated to rundum.jp.
rundum.jp uses the same name server configuration as other domains, such as net-uips.com, akagide.com, gc.st47.arena.ne.jp, www.goshikidai.or.jp and www.daiichi-ak.co.jp.
rundum.jp shares some name servers with other domains, for example chage-aska.net.
Host names with a single IP address:
ns3.sphere.ad.jp points to 202.239.113.22
ns4.sphere.ad.jp points to 202.239.113.30
Mail Servers
One mail server serves rundum.jp.
rundum.jp points to one IP number: 119.245.143.105.