cook300.com - robtex.com
cook300.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.131.207.100🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc. | ||||||
| PTR | sv16359.xserver.jp | ||||||
| NS | ns1.xserver.jp ⭐ | ||||||
| A | 202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.xserver.jp | ||||||
| NS | ns2.xserver.jp | ||||||
| A | 35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp | ||||||
| A | 202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp | ||||||
| A | 183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp | ||||||
| A | 157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns5.xserver.jp | ||||||
| TXT | v=spf1 +a:sv16359.xserver.jp +a:cook300.com +mx include:spf.sender.xserver.jp... | ||||||
| SOA | ns1.xserver.jproot@xserver.jp serial=0 | ||||||
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=1778795356 | ||||||
Same first word
cook300.com |
DNS History
11 records (6 active, 5 former)
○NSdns.technorail.com2015-05-31 → 2017-04-03 · 4 obs
● 2017-04-03 11:44:12
○ 2026-03-12 09:34:18
○ 2026-05-14 21:58:52
○NSdns2.technorail.com2015-05-31 → 2017-04-03 · 4 obs
● 2017-04-03 11:44:12
○ 2026-03-12 09:34:18
○ 2026-05-14 21:58:52
○NSdns3.arubadns.net2015-05-31 → 2017-04-03 · 4 obs
● 2017-04-03 11:44:12
○ 2026-03-12 09:34:18
○ 2026-05-14 21:58:52
○NSdns4.arubadns.cz2015-05-31 → 2017-04-03 · 4 obs
● 2017-04-03 11:44:12
○ 2026-03-12 09:34:18
○ 2026-05-14 21:58:52
●NSns1.xserver.jp2026-03-12 → 2026-05-14 · 3 obs
● 2026-03-12 09:34:18
● 2026-05-14 21:58:52
●NSns2.xserver.jp2026-03-12 → 2026-05-14 · 3 obs
● 2026-03-12 09:34:18
● 2026-05-14 21:58:52
●NSns3.xserver.jp2026-03-12 → 2026-05-14 · 3 obs
● 2026-03-12 09:34:18
● 2026-05-14 21:58:52
●NSns4.xserver.jp2026-03-12 → 2026-05-14 · 3 obs
● 2026-03-12 09:34:18
● 2026-05-14 21:58:52
●NSns5.xserver.jp2026-03-12 → 2026-05-14 · 3 obs
● 2026-03-12 09:34:18
● 2026-05-14 21:58:52
○A78.47.234.1812015-05-31 → 2017-04-03 · 4 obs
● 2017-04-03 11:44:12
○ 2026-03-12 09:34:18
○ 2026-05-14 21:58:52
●A85.131.207.1002026-03-12 → 2026-05-14 · 3 obs
● 2026-03-12 09:34:18
● 2026-05-14 21:58:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| cook300.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.170
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 cook300.com (unsigned zone)
⏱️ Timing
Total: 798ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.207.100 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| TXT | 1 | v=spf1 +a:sv16359.xserver.jp +a:cook300. |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
IP Addresses
cook300.com resolves to one IP number: 85.131.207.100.
other host names including osaka-centralhp.jp, toyo-dennetsu.co.jp, mtk-design.net, mail.takeuchi-cycle.com and oceanpeoples.com share IP numbers with cook300.com.
Name Servers
cook300.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
cook300.com at least partially shares name servers with other domains, for instance rascal.co.jp, mishima-skywalk.jp, p-v.jp, 10-28.com and maneki-casino.com.
Host names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246; ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247; ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26; ns3.xserver.jp points to: 202.226.36.247.