bsfdev.jp - robtex.com
bsfdev.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-286.awsdns-35.com ⭐ | ||||||
| A | 2600:9000:5301:1e00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-286.awsdns-35.com | ||||||
| A | 205.251.193.30🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-286.awsdns-35.com | ||||||
| NS | ns-1400.awsdns-47.org | ||||||
| A | 2600:9000:5305:7800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1400.awsdns-47.org | ||||||
| A | 205.251.197.120🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1400.awsdns-47.org | ||||||
| NS | ns-1927.awsdns-48.co.uk | ||||||
| A | 2600:9000:5307:8700::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1927.awsdns-48.co.uk | ||||||
| A | 205.251.199.135🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1927.awsdns-48.co.uk | ||||||
| NS | ns-826.awsdns-39.net | ||||||
| A | 2600:9000:5303:3a00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-826.awsdns-39.net | ||||||
| A | 205.251.195.58🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-826.awsdns-39.net | ||||||
| SOA | ns-286.awsdns-35.comawsdns-hostmaster@amazon.com serial=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=1776192303 | ||||||
Same first word
bsfdev.jp |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1400.awsdns-47.org2020-04-05 → 2026-04-14 · 2 obs
● 2026-04-14 20:22:38
●NSns-1927.awsdns-48.co.uk2020-04-05 → 2026-04-14 · 2 obs
● 2026-04-14 20:22:38
●NSns-286.awsdns-35.com2020-04-05 → 2026-04-14 · 2 obs
● 2026-04-14 20:22:38
●NSns-826.awsdns-39.net2020-04-05 → 2026-04-14 · 2 obs
● 2026-04-14 20:22:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| bsfdev.jp | ns-1927.awsdns-48.co.uk, ns-1400.awsdns-47.org, ns-286.awsdns-35.com, ns-826.awsdns-39.net | - |
✅ Authoritative Response
Server:205.251.197.120
NS records: ns-1927.awsdns-48.co.uk, ns-1400.awsdns-47.org, ns-286.awsdns-35.com, ns-826.awsdns-39.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bsfdev.jp (unsigned zone)
⏱️ Timing
Total: 737ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1400.awsdns-47.org, ns-1927.awsdns-48.co.uk... |
| SOA | 1 | ns-286.awsdns-35.com awsdns-hostmaster.a |
Analysis
Name Servers
bsfdev.jp is delegated to four name servers: ns-286.awsdns-35.com, ns-826.awsdns-39.net, ns-1400.awsdns-47.org and ns-1927.awsdns-48.co.uk.
bsfdev.jp at least partially shares its name servers with other domains, for instance onlinecourses.ca, elioellispmsb.com, blackwood7.net, dyykxr1ia26p9.cloudfront.net and trueaccordfinancial.com.
Host names with two IPs: ns-286.awsdns-35.com points to 2600:9000:5301:1e00::1 and 205.251.193.30; ns-826.awsdns-39.net points to 2600:9000:5303:3a00::1 and 205.251.195.58; ns-1400.awsdns-47.org points to 2600:9000:5305:7800::1 and 205.251.197.120; ns-1927.awsdns-48.co.uk points to 2600:9000:5307:8700::1 and 205.251.199.135.