kosugenet.com - robtex.com
kosugenet.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.205.44.84🇯🇵 AICS157.205.44.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp | ||||||
| PTR | websvr157-205-44-84.alpha-prm.jp | ||||||
| NS | fjkdns99.alpha-prm.jp ⭐ | ||||||
| A | 157.205.203.140🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkmst11.alpha-prm.jp | ||||||
| NS | fjkdns11.alpha-prm.jp | ||||||
| A | 157.205.203.136🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkdns11.alpha-prm.jp | ||||||
| NS | fjkdns12.alpha-prm.jp | ||||||
| A | 157.205.160.33🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkdns12.alpha-prm.jp | ||||||
| NS | fjkdns13.alpha-prm.jp | ||||||
| A | 157.205.160.49🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | fjkdns13.alpha-prm.jp | ||||||
| MX | mxi.alpha-prm.jp ⭐ | ||||||
| A | 157.205.8.22🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object) | ||||||
| PTR | mxi.alpha-prm.jp | ||||||
| TXT | v=spf1 ip4:157.205.44.84/32 include:spf.alpha-prm.jp ~all | ||||||
| SOA | fjkdns99.alpha-prm.jphostmaster@alpha-prm.jp 2023-11-21 #1 | ||||||
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=1774839912 | ||||||
Same first word
kosugenet.com |
DNS History
10 records (6 active, 4 former)
●NSfjkdns11.alpha-prm.jp2020-01-21 → 2026-03-30 · 3 obs
● 2020-01-21 13:34:52
● 2026-03-30 03:06:18
●NSfjkdns12.alpha-prm.jp2020-01-21 → 2026-03-30 · 3 obs
● 2020-01-21 13:34:52
● 2026-03-30 03:06:18
●NSfjkdns13.alpha-prm.jp2020-01-21 → 2026-03-30 · 3 obs
● 2020-01-21 13:34:52
● 2026-03-30 03:06:18
●NSfjkdns99.alpha-prm.jp2020-01-21 → 2026-03-30 · 3 obs
● 2020-01-21 13:34:52
● 2026-03-30 03:06:18
○NSns1.hosting-sv.jp2015-07-18 → 2017-02-08 · 4 obs
● 2017-02-08 08:43:12
○ 2020-01-21 13:34:52
○ 2026-03-30 03:06:18
○NSns2.hosting-sv.jp2015-07-18 → 2017-02-08 · 4 obs
● 2017-02-08 08:43:12
○ 2020-01-21 13:34:52
○ 2026-03-30 03:06:18
●MXmxi.alpha-prm.jp2020-01-21 → 2026-03-30 · 3 obs
● 2020-01-21 13:34:52
● 2026-03-30 03:06:18
○MXqsmtp02.hosting-sv.jp2015-07-18 → 2017-02-08 · 4 obs
● 2017-02-08 08:43:12
○ 2020-01-21 13:34:52
○ 2026-03-30 03:06:18
○A157.205.170.1942020-01-21 → 2020-01-21 · 3 obs
○ 2026-03-23 23:36:54
○ 2026-03-30 03:06:18
●A157.205.44.842026-03-23 → 2026-03-30 · 3 obs
● 2026-03-23 23:36:54
● 2026-03-30 03:06:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kosugenet.com | fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp | - |
✅ Authoritative Response
Server:157.205.203.136
NS records: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kosugenet.com (unsigned zone)
⏱️ Timing
Total: 870ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.205.44.84 |
| NS | 3 | fjkdns12.alpha-prm.jp, fjkdns11.alpha-prm.jp... |
| MX | 1 | mxi.alpha-prm.jp (pri: 100) |
| TXT | 1 | v=spf1 ip4:157.205.44.84/32 include:spf. |
| SOA | 1 | fjkdns99.alpha-prm.jp hostmaster.alpha-p |
Analysis
IP Addresses
kosugenet.com maps to IP address 157.205.44.84.
Other host names, for example, websvr157-205-44-84.alpha-prm.jp share IP numbers with kosugenet.com.
Name Servers
kosugenet.com is delegated to four name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.
kosugenet.com at least partially shares name servers with other domains such as cosonsen.co.jp, tokyo-kanri.co.jp, world-wise.jp, j-movex.co.jp and e-trust.biz.
Host names with one IP number:
fjkdns11.alpha-prm.jp points to: 157.205.203.136
fjkdns12.alpha-prm.jp points to: 157.205.160.33
fjkdns13.alpha-prm.jp points to: 157.205.160.49
fjkdns99.alpha-prm.jp points to: 157.205.203.140
Mail Servers
kosugenet.com is handled by a single mail server, mxi.alpha-prm.jp.
kosugenet.com shares the same mail server setup as other domains, including tokenzai.net, salasala.jp, kyoritsu-support.com, mgs-lighting.co.jp and hoso-foods.co.jp.
mxi.alpha-prm.jp points to one IP number: 157.205.8.22.