professors.jp - dns.ninja
professors.jp
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=1783208703 | ||||||
Subdomains
www.professors.jp |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1045.awsdns-02.org2018-05-15 → 2026-07-05 · 2 obs
● 2026-07-05 00:27:36
●NSns-1902.awsdns-45.co.uk2018-05-15 → 2026-07-05 · 2 obs
● 2026-07-05 00:27:36
●NSns-484.awsdns-60.com2018-05-15 → 2026-07-05 · 2 obs
● 2026-07-05 00:27:36
●NSns-958.awsdns-55.net2018-05-15 → 2026-07-05 · 2 obs
● 2026-07-05 00:27:36
●MXcab0.mx.cloud-mail.jp2018-05-15 → 2026-07-05 · 2 obs
● 2026-07-05 00:27:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| professors.jp | ns-484.awsdns-60.com, ns-958.awsdns-55.net, ns-1045.awsdns-02.org, ns-1902.awsdns-45.co.uk | - |
✅ Authoritative Response
Server:205.251.199.110
NS records: ns-484.awsdns-60.com, ns-958.awsdns-55.net, ns-1045.awsdns-02.org, ns-1902.awsdns-45.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for professors.jp (unsigned zone)
⏱️ Timing
Total: 766ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1045.awsdns-02.org, ns-1902.awsdns-45.co.uk... |
| MX | 1 | cab0.mx.cloud-mail.jp (pri: 100) |
| TXT | 1 | v=spf1 +ip4:54.249.106.12/32 +ip4:54.249 |
| SOA | 1 | ns-1902.awsdns-45.co.uk awsdns-hostmaste |
Analysis
Hierarchy
www.professors.jp is a subdomain of professors.jp.
Name Servers
The NS records for professors.jp point to four name servers: ns-484.awsdns-60.com, ns-958.awsdns-55.net, ns-1045.awsdns-02.org and ns-1902.awsdns-45.co.uk.
The name servers of professors.jp overlap at least partially with those of other domains — among them progresscompany.com, eu.contentful.com, hypersocialxyz.net and two more.
Each of the four hosts ns-484.awsdns-60.com, ns-958.awsdns-55.net, ns-1045.awsdns-02.org and ns-1902.awsdns-45.co.uk has two IP addresses. ns-484.awsdns-60.com points to 205.251.193.228 and 2600:9000:5301:e400::1. ns-958.awsdns-55.net points to 205.251.195.190 and 2600:9000:5303:be00::1. ns-1045.awsdns-02.org points to 205.251.196.21 and 2600:9000:5304:1500::1. ns-1902.awsdns-45.co.uk points to 205.251.199.110 and 2600:9000:5307:6e00::1.
Mail Servers
The sole mail server for professors.jp is cab0.mx.cloud-mail.jp.
Among the domains sharing a mail server setup with professors.jp are asoffice-kataoka.com, tokyo-kyuso.co.jp, nakasone-sr.jp and two others.
There is at least a partial MX overlap between professors.jp and other domains, including hosokk.com, minamident.com, goto-rec.com and two others.
These mail servers often co-occur with the mail servers cab0.mx2.cloud-mail.jp.
cab0.mx.cloud-mail.jp points to one IP number — 59.157.130.3.