precursor.jp - dns.ninja
precursor.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=1782514803 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSnns.precursor.jp2015-08-05 → 2016-12-12 · 4 obs
● 2016-12-12 00:00:20
○ 2026-04-07 17:43:04
○ 2026-06-26 23:29:38
●NSns-126.awsdns-15.com2026-04-07 → 2026-06-26 · 3 obs
● 2026-04-07 17:43:04
● 2026-06-26 23:29:38
●NSns-1439.awsdns-51.org2026-04-07 → 2026-06-26 · 3 obs
● 2026-04-07 17:43:04
● 2026-06-26 23:29:38
●NSns-1646.awsdns-13.co.uk2026-04-07 → 2026-06-26 · 3 obs
● 2026-04-07 17:43:04
● 2026-06-26 23:29:38
●NSns-636.awsdns-15.net2026-04-07 → 2026-06-26 · 3 obs
● 2026-04-07 17:43:04
● 2026-06-26 23:29:38
○MXnns.precursor.jp2015-08-05 → 2016-12-12 · 4 obs
● 2016-12-12 00:00:20
○ 2026-04-07 17:43:04
○ 2026-06-26 23:29:38
●MXwww3110.sakura.ne.jp2026-04-07 → 2026-06-26 · 3 obs
● 2026-04-07 17:43:04
● 2026-06-26 23:29:38
○A180.235.232.1972015-08-05 → 2016-12-12 · 4 obs
● 2016-12-12 00:00:20
○ 2026-04-07 17:43:04
○ 2026-06-26 23:29:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| precursor.jp | ns-126.awsdns-15.com, ns-636.awsdns-15.net, ns-1439.awsdns-51.org, ns-1646.awsdns-13.co.uk | - |
✅ Authoritative Response
Server:205.251.198.110
NS records: ns-126.awsdns-15.com, ns-636.awsdns-15.net, ns-1439.awsdns-51.org, ns-1646.awsdns-13.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for precursor.jp (unsigned zone)
⏱️ Timing
Total: 2293ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-126.awsdns-15.com, ns-1439.awsdns-51.org... |
| MX | 1 | www3110.sakura.ne.jp (pri: 30) |
| TXT | 1 | v=spf1 +ip4:49.212.207.150 +ip4:20.48.18 |
| SOA | 1 | ns-636.awsdns-15.net awsdns-hostmaster.a |
Analysis
Hierarchy
nns.precursor.jp and www.precursor.jp each fall under precursor.jp as their parent domain.
Name Servers
The NS records for precursor.jp point to four name servers: ns-126.awsdns-15.com, ns-636.awsdns-15.net, ns-1439.awsdns-51.org and ns-1646.awsdns-13.co.uk.
At least some of precursor.jp's name servers are shared with other domains, for example musen8.com, ntst.com, tripletech.net and two more.
It is common for these name servers to be used in conjunction with the name servers ns-1325.awsdns-37.org, ns-52.awsdns-06.com and ns-824.awsdns-39.net.
Four hostnames, each resolving to a pair of IP addresses: ns-126.awsdns-15.com directs to 205.251.192.126 and 2600:9000:5300:7e00::1; ns-636.awsdns-15.net directs to 205.251.194.124 and 2600:9000:5302:7c00::1; ns-1439.awsdns-51.org directs to 205.251.197.159 and 2600:9000:5305:9f00::1; ns-1646.awsdns-13.co.uk directs to 205.251.198.110 and 2600:9000:5306:6e00::1.
Mail Servers
The sole mail server for precursor.jp is www3110.sakura.ne.jp.
Among the domains sharing a mail server setup with precursor.jp are meteor-lube.com, eaid.jp, fortland.info and two others.
precursor.jp overlaps on mail servers with certain other domains, shosabi.jp among them.
These mail servers often co-occur with the mail servers mail.shosabi.jp.
www3110.sakura.ne.jp directs to two IP numbers, 49.212.207.150 and 2403:3a00:201:1f:49:212:207:150.