openai.jp - robtex.com
openai.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.18.218.87🇯🇵 KDDI211.18.0.0/16 | ||||||
| NS | ns3.wats.gr.jp ⭐ | ||||||
| A | 211.18.218.82🇯🇵 KDDI211.18.0.0/16 | ||||||
| NS | ns4.wats.gr.jp | ||||||
| A | 211.18.218.83🇯🇵 KDDI211.18.0.0/16 | ||||||
| MX | mail.openai.jp ⭐ | ||||||
| A | 211.18.218.87🇯🇵 KDDI211.18.0.0/16 | ||||||
| TXT | v=spf1 +ip4:39.110.227.128/28 +ip4:211.18.218.80/28 ~all | ||||||
| SOA | ns3.wats.gr.jproot@wats.gr.jp 2025-10-16 #1 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1782707402 | ||||||
Subdomains
mail.openai.jp |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●NSns3.wats.gr.jp2015-08-05 → 2026-06-29 · 2 obs
● 2026-06-29 04:53:56
●NSns4.wats.gr.jp2015-08-05 → 2026-06-29 · 2 obs
● 2026-06-29 04:53:56
●MXmail.openai.jp2015-08-05 → 2026-06-29 · 2 obs
● 2026-06-29 04:53:56
○A211.18.218.842015-08-05 → 2016-07-15 · 4 obs
● 2016-07-15 05:30:50
○ 2018-07-27 10:01:44
○ 2026-06-29 04:53:56
●A211.18.218.872026-06-28 → 2026-06-29 · 3 obs
● 2026-06-28 15:32:22
● 2026-06-29 04:53:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| openai.jp | ns3.wats.gr.jp, ns4.wats.gr.jp | 2 records |
✅ Authoritative Response
Server:211.18.218.82
NS records: ns3.wats.gr.jp, ns4.wats.gr.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openai.jp (unsigned zone)
⏱️ Timing
Total: 919ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.18.218.87 |
| NS | 2 | ns4.wats.gr.jp, ns3.wats.gr.jp |
| MX | 1 | mail.openai.jp (pri: 10) |
| TXT | 1 | v=spf1 +ip4:39.110.227.128/28 +ip4:211.1 |
| SOA | 1 | ns3.wats.gr.jp root.wats.gr.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.wats.gr.jp, ns4.wats.gr.jp)
Analysis
Hierarchy
mail.openai.jp is delegated beneath openai.jp.
IP Addresses
openai.jp resolves to one IP address: 211.18.218.87.
Further host names like mail.openai.jp and mail.voiplus.net overlap in IP numbers with openai.jp.
Name Servers
The NS records for openai.jp delegate to ns3.wats.gr.jp and ns4.wats.gr.jp.
openai.jp is delegated to the same name servers as supra.gr.jp, cpkelco.co.jp, wats.gr.jp and cbic.ne.jp, for example.
ns3.wats.gr.jp → 211.18.218.82 and ns4.wats.gr.jp → 211.18.218.83: one IP number per host name.
Mail Servers
Mail for openai.jp is handled by a single mail server, mail.openai.jp.
mail.openai.jp resolves to 211.18.218.87 and no other IP number.