kouei-nn.com - robtex.com
kouei-nn.com
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=1780347099 | ||||||
MX for
kouei-nn.com |
Same first word
kouei-nn.com |
Similar names
DNS History
11 records (7 active, 4 former)
○NSns1.quicca.com2016-12-15 → 2016-12-15 · 3 obs
○ 2018-05-27 21:50:34
○ 2026-06-01 20:53:40
●NSns1.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
○NSns2.quicca.com2016-12-15 → 2016-12-15 · 3 obs
○ 2018-05-27 21:50:34
○ 2026-06-01 20:53:40
●NSns2.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
●NSns3.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
●NSns4.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
●NSns5.xserver.jp2018-05-27 → 2026-06-01 · 3 obs
● 2018-05-27 21:50:34
● 2026-06-01 20:53:40
●MXkouei-nn.com2016-12-15 → 2026-06-01 · 2 obs
● 2026-06-01 20:53:40
●A183.181.81.982026-03-09 → 2026-06-01 · 3 obs
● 2026-03-09 03:13:20
● 2026-06-01 20:53:40
○A183.90.238.202018-05-27 → 2018-05-27 · 4 obs
● 2018-05-27 21:50:34
○ 2026-03-09 03:13:20
○ 2026-06-01 20:53:40
○A54.65.193.2022016-12-15 → 2016-12-15 · 3 obs
○ 2018-05-27 21:50:34
○ 2026-06-01 20:53:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net... | - |
| kouei-nn.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.39.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kouei-nn.com (unsigned zone)
⏱️ Timing
Total: 2977ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.181.81.98 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| MX | 1 | kouei-nn.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv10417.xserver.jp +a:kouei-nn |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
kouei-nn.com serves as a mail server for kouei-nn.com.
IP Addresses
kouei-nn.com has exactly one IP address — 183.181.81.98.
sarobetsu.info, kanekaese.com, sarobetsu.net plus two other host names have IP numbers in common with kouei-nn.com.
Name Servers
kouei-nn.com has 5 name servers handling its delegation — ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp plus two more.
The name servers of kouei-nn.com overlap at least partially with those of other domains — among them koumuin-shiken.com, hana-kentei.com, apleem.com and two more.
These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names carrying three IP numbers:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp resolves to 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
kouei-nn.com uses exactly one mail server, which is kouei-nn.com.
kouei-nn.com points to one IP number — 183.181.81.98.