downlow.co.jp - robtex.com
downlow.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 1.33.168.197🇯🇵 InfoSphere1.33.0.0/16 INFOSPHERE | ||||||
| PTR | downlow.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 | downlow.co.jp ⭐ | ||||||
| A | 1.33.168.197🇯🇵 InfoSphere1.33.0.0/16 INFOSPHERE | ||||||
| PTR | downlow.co.jp | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:1.33.168.2/32 +ip4:1.33.168.197/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034028 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
PTR for
MX for
downlow.co.jp |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns3.sphere.ad.jp2008-12-09 → 2026-08-02 · 2 obs
● 2026-08-02 03:07:04
●NSns4.sphere.ad.jp2008-12-09 → 2026-08-02 · 2 obs
● 2026-08-02 03:07:04
●MXdownlow.co.jp2008-12-09 → 2026-08-02 · 2 obs
● 2026-08-02 03:07:04
●A1.33.168.1972015-08-30 → 2026-08-02 · 3 obs
● 2015-08-30 22:20:50
● 2026-08-02 03:07:04
○A203.138.215.2352008-12-09 → 2008-12-09 · 3 obs
○ 2015-08-30 22:20:50
○ 2026-08-02 03:07:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| downlow.co.jp | ns4.sphere.ad.jp, ns3.sphere.ad.jp | - |
✅ Authoritative Response
Server:202.239.113.30
NS records: ns4.sphere.ad.jp, ns3.sphere.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for downlow.co.jp (unsigned zone)
⏱️ Timing
Total: 1681ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 1.33.168.197 |
| NS | 2 | ns3.sphere.ad.jp, ns4.sphere.ad.jp |
| MX | 1 | downlow.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:1.33.16 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
downlow.co.jp serves as a mail server for downlow.co.jp.
IP Addresses
downlow.co.jp has exactly one IP address — 1.33.168.197.
Name Servers
downlow.co.jp is served by two delegated name servers, ns3.sphere.ad.jp and ns4.sphere.ad.jp.
The name server configuration of downlow.co.jp is shared with other domains, for instance suite2-210-150-069-110.on.arena.ne.jp, 107.227.140.in-addr.arpa, www.j-sctr.org and two others.
downlow.co.jp has overlapping name servers with several other domains — among them yuai.ac.jp, jbtob.co.jp, midorino-ie.jp and sayko.jp.
Both ns3.sphere.ad.jp and ns4.sphere.ad.jp have a single IP address each — ns3.sphere.ad.jp resolves to 202.239.113.22 while ns4.sphere.ad.jp resolves to 202.239.113.30.
Mail Servers
downlow.co.jp uses exactly one mail server, which is downlow.co.jp.
There is one IP number for downlow.co.jp: 1.33.168.197.