norikawa.net - robtex.com
norikawa.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 124.146.221.134🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | norikawa.net | ||||||
| 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 | norikawa.net ⭐ | ||||||
| A | 124.146.221.134🇯🇵 InfoSphere124.146.128.0/17 INFOSPHERE | ||||||
| PTR | norikawa.net | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:124.146.220.2/32 +ip4:124.146.221.134/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1576034164 | ||||||
net
| 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=1774467637 | ||||||
PTR for
MX for
norikawa.net |
Same first word
norikawa.net |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns3.sphere.ad.jp2015-07-04 → 2026-03-25 · 2 obs
● 2026-03-25 19:51:58
●NSns4.sphere.ad.jp2015-07-04 → 2026-03-25 · 2 obs
● 2026-03-25 19:51:58
●MXnorikawa.net2015-07-04 → 2026-03-25 · 2 obs
● 2026-03-25 19:51:58
●A124.146.221.1342015-07-04 → 2026-03-25 · 2 obs
● 2026-03-25 19:51:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| norikawa.net | 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 norikawa.net (unsigned zone)
⏱️ Timing
Total: 1297ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 124.146.221.134 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | norikawa.net (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:124.146 |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
norikawa.net serves as the mail server for norikawa.net.
IP Addresses
norikawa.net points to IP number 124.146.221.134.
Name Servers
norikawa.net is delegated to two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
norikawa.net uses the same name server setup as other domains such as 129.212.202.in-addr.arpa, eikichi.co.jp, it-i.jp, awacsw.co-site.jp and nagano-office.co.jp.
norikawa.net shares name servers with other domains at least partially, for example s-frutto.com.
Host names with one IP number:
ns3.sphere.ad.jp points to: 202.239.113.22.
ns4.sphere.ad.jp points to: 202.239.113.30.
Mail Servers
norikawa.net is handled by a single mail server, norikawa.net.
norikawa.net points to a single IP: 124.146.221.134.