jsfr.jp - robtex.com
jsfr.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=1771290902 | ||||||
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSns-1345.awsdns-40.org2026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 04:36:42
● 2026-03-09 04:36:46
○NSns-1468.awsdns-55.org2015-06-10 → 2020-01-31 · 4 obs
● 2020-01-31 19:07:04
○ 2026-03-09 04:36:42
○ 2026-03-09 04:36:46
○NSns-1910.awsdns-46.co.uk2015-06-10 → 2020-01-31 · 4 obs
● 2020-01-31 19:07:04
○ 2026-03-09 04:36:42
○ 2026-03-09 04:36:46
●NSns-1930.awsdns-49.co.uk2026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 04:36:42
● 2026-03-09 04:36:46
●NSns-276.awsdns-34.com2026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 04:36:42
● 2026-03-09 04:36:46
○NSns-41.awsdns-05.com2015-06-10 → 2020-01-31 · 4 obs
● 2020-01-31 19:07:04
○ 2026-03-09 04:36:42
○ 2026-03-09 04:36:46
○NSns-714.awsdns-25.net2015-06-10 → 2020-01-31 · 4 obs
● 2020-01-31 19:07:04
○ 2026-03-09 04:36:42
○ 2026-03-09 04:36:46
●NSns-862.awsdns-43.net2026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 04:36:42
● 2026-03-09 04:36:46
●MXjsfr.sakura.ne.jp2020-01-31 → 2026-03-09 · 3 obs
● 2020-01-31 19:07:04
● 2026-03-09 04:36:46
○MXsmtp.jsfr.jp2015-06-10 → 2017-01-25 · 4 obs
● 2017-01-25 08:48:00
○ 2020-01-31 19:07:04
○ 2026-03-09 04:36:46
○A210.157.28.572015-06-10 → 2016-02-03 · 4 obs
● 2016-02-03 21:06:22
○ 2016-04-27 09:40:56
○ 2026-03-09 04:36:46
●A54.238.63.902016-04-27 → 2026-03-09 · 3 obs
● 2016-04-27 09:40:56
● 2026-03-09 04:36:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | 15 records |
| jsfr.jp | ns-1345.awsdns-40.org, ns-276.awsdns-34.com, ns-862.awsdns-43.net, ns-1930.awsdns-49.co.uk | - |
✅ Authoritative Response
Server: 205.251.197.65
NS records: ns-1345.awsdns-40.org, ns-276.awsdns-34.com, ns-862.awsdns-43.net, ns-1930.awsdns-49.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jsfr.jp (unsigned zone)
⏱️ Timing
Total: 1135ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.238.63.90 |
| NS | 4 | ns-1345.awsdns-40.org, ns-1930.awsdns-49.co.uk... |
| MX | 1 | jsfr.sakura.ne.jp (pri: 100) |
| SOA | 1 | ns-1930.awsdns-49.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 15
In-bailiwick: 15 (a.dns.jp, a.dns.jp, b.dns.jp...)
Analysis
IP Addresses
jsfr.jp points to a single IP address: 54.238.63.90.
Other host names, for instance ec2-54-238-63-90.ap-northeast-1.compute.amazonaws.com, share IP numbers with jsfr.jp.
Name Servers
jsfr.jp is delegated to four name servers: ns-276.awsdns-34.com, ns-862.awsdns-43.net, ns-1345.awsdns-40.org and ns-1930.awsdns-49.co.uk.
At least part of the name servers for jsfr.jp are shared with other domains, for instance dev.tdstickets.com, can-act.com, korellus.com, unifiservices.com and localgiving.org.
These name servers are commonly used alongside ns-1692.awsdns-19.co.uk, ns-1162.awsdns-17.org, ns-528.awsdns-02.net, ns-176.awsdns-22.com, ns-726.awsdns-26.net, ns-1973.awsdns-54.co.uk, ns-413.awsdns-51.com, ns-577.awsdns-08.net and ns-1714.awsdns-22.co.uk.
Host names with two IP numbers:
ns-276.awsdns-34.com points to: 2600:9000:5301:1400::1 and 205.251.193.20
ns-862.awsdns-43.net points to: 2600:9000:5303:5e00::1 and 205.251.195.94
ns-1345.awsdns-40.org points to: 2600:9000:5305:4100::1 and 205.251.197.65
ns-1930.awsdns-49.co.uk points to: 2600:9000:5307:8a00::1 and 205.251.199.138
Mail Servers
The mail server for jsfr.jp is jsfr.sakura.ne.jp.
jsfr.jp shares the same mail server setup as other domains, for instance jsfr.sakura.ne.jp.
Host jsfr.sakura.ne.jp points to IP 59.106.27.240.