koiroom.net - robtex.com
koiroom.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.239.50.240🇯🇵 IDC210.239.32.0/19 Frontier Inc. | ||||||
| PTR | undefined.hostname.localhost | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | koiroom.net ⭐ | ||||||
| A | 210.239.50.240🇯🇵 IDC210.239.32.0/19 Frontier Inc. | ||||||
| PTR | undefined.hostname.localhost | ||||||
| TXT | v=spf1 ip4:210.239.50.240 ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1770369955 | ||||||
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=1778770081 | ||||||
MX for
koiroom.net |
Same first word
koiroom.net |
Similar names
DNS History
6 records (6 active, 0 former)
●MXkoiroom.net2026-03-18 → 2026-05-14 · 2 obs
● 2026-05-14 15:08:08
●A210.239.50.2402026-03-18 → 2026-05-14 · 2 obs
● 2026-05-14 15:08:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| koiroom.net | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koiroom.net (unsigned zone)
⏱️ Timing
Total: 997ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.239.50.240 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | koiroom.net (pri: 0) |
| TXT | 1 | v=spf1 ip4:210.239.50.240 ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Mail Server Role
For koiroom.net, the mail server is koiroom.net.
IP Addresses
koiroom.net points to a single IP number: 210.239.50.240.
Other host names, for instance koiroomnotice.net, share IP numbers with koiroom.net.
Name Servers
koiroom.net is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
koiroom.net at least partially shares name servers with other domains, for instance hhoshina.info, kidsplaza.or.jp, oasisserver.net, mspalette.net and top-line.jp.
Two IPs for hosts:
01.dnsv.jp points to: 2400:8500:3300::53 and 157.7.32.53
03.dnsv.jp points to: 2400:8500:3000::53 and 157.7.34.53
04.dnsv.jp points to: 2400:8500:3fff::53 and 157.7.35.53
One IP for a host:
02.dnsv.jp points to: 157.7.33.53
Mail Servers
One mail server handles koiroom.net.
Host name koiroom.net points to IP address 210.239.50.240.