katuichi.com - robtex.com
katuichi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 161.34.6.73🇯🇵 InfoSphere161.34.0.0/16 INFOSPHERE | ||||||
| PTR | katuichi.com | ||||||
| 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 | katuichi.com ⭐ | ||||||
| A | 161.34.6.73🇯🇵 InfoSphere161.34.0.0/16 INFOSPHERE | ||||||
| PTR | katuichi.com | ||||||
| TXT | v=spf1 include:fmx.etius.jp +ip4:161.34.5.2/32 +ip4:161.34.6.73/32 -all | ||||||
| SOA | ns3.sphere.ad.jpdns@sphere.ad.jp serial=1570768713 | ||||||
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=1776089892 | ||||||
PTR for
MX for
katuichi.com |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSasns1.customer.ne.jp2016-12-13 → 2018-06-13 · 4 obs
● 2018-06-13 10:53:40
○ 2026-03-11 13:52:42
○ 2026-04-13 14:38:06
○NSasns2.customer.ne.jp2016-12-13 → 2018-06-13 · 4 obs
● 2018-06-13 10:53:40
○ 2026-03-11 13:52:42
○ 2026-04-13 14:38:06
●NSns3.sphere.ad.jp2026-03-11 → 2026-04-13 · 3 obs
● 2026-03-11 13:52:42
● 2026-04-13 14:38:06
●NSns4.sphere.ad.jp2026-03-11 → 2026-04-13 · 3 obs
● 2026-03-11 13:52:42
● 2026-04-13 14:38:06
●MXkatuichi.com2016-12-13 → 2026-04-13 · 2 obs
● 2026-04-13 14:38:06
●A161.34.6.732026-03-11 → 2026-04-13 · 3 obs
● 2026-03-11 13:52:42
● 2026-04-13 14:38:06
○A60.43.252.902016-12-13 → 2018-06-13 · 4 obs
● 2018-06-13 10:53:40
○ 2026-03-11 13:52:42
○ 2026-04-13 14:38:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| katuichi.com | 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 katuichi.com (unsigned zone)
⏱️ Timing
Total: 1017ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 161.34.6.73 |
| NS | 2 | ns4.sphere.ad.jp, ns3.sphere.ad.jp |
| MX | 1 | katuichi.com (pri: 10) |
| TXT | 1 | v=spf1 include:fmx.etius.jp +ip4:161.34. |
| SOA | 1 | ns3.sphere.ad.jp dns.sphere.ad.jp |
Analysis
Mail Server Role
katuichi.com serves as the mail server for katuichi.com.
IP Addresses
katuichi.com points to a single IP number: 161.34.6.73.
Name Servers
katuichi.com is delegated to two name servers: ns3.sphere.ad.jp and ns4.sphere.ad.jp.
katuichi.com uses the same name server setup as other domains, for instance sanko-inet.co.jp, amfactory.to, kyuwa-kyusoh.com, imizu-osk.co.jp and ing-osk.com.
katuichi.com shares name servers with other domains at least partially, for instance gc3.jp and jataff.or.jp.
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
A single mail server handles katuichi.com and katuichi.com.
Host name katuichi.com resolves to IP 161.34.6.73.