ba-u.jp - robtex.com
ba-u.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1965.awsdns-53.co.uk ⭐ | ||||||
| A | 2600:9000:5307:ad00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1965.awsdns-53.co.uk | ||||||
| A | 205.251.199.173🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1965.awsdns-53.co.uk | ||||||
| NS | ns-1060.awsdns-04.org | ||||||
| A | 2600:9000:5304:2400::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1060.awsdns-04.org | ||||||
| A | 205.251.196.36🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1060.awsdns-04.org | ||||||
| NS | ns-20.awsdns-02.com | ||||||
| A | 2600:9000:5300:1400::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-20.awsdns-02.com | ||||||
| A | 205.251.192.20🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-20.awsdns-02.com | ||||||
| NS | ns-962.awsdns-56.net | ||||||
| A | 2600:9000:5303:c200::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-962.awsdns-56.net | ||||||
| A | 205.251.195.194🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-962.awsdns-56.net | ||||||
| SOA | ns-1965.awsdns-53.co.ukawsdns-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=1784205002 | ||||||
Same first word
ba-u.jp |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns-1060.awsdns-04.org2026-03-10 → 2026-07-16 · 3 obs
● 2026-03-10 13:53:24
● 2026-07-16 12:56:42
●NSns-1965.awsdns-53.co.uk2026-03-10 → 2026-07-16 · 3 obs
● 2026-03-10 13:53:24
● 2026-07-16 12:56:42
●NSns-20.awsdns-02.com2026-03-10 → 2026-07-16 · 3 obs
● 2026-03-10 13:53:24
● 2026-07-16 12:56:42
●NSns-962.awsdns-56.net2026-03-10 → 2026-07-16 · 3 obs
● 2026-03-10 13:53:24
● 2026-07-16 12:56:42
○NSns1.value-domain.com2015-08-15 → 2017-05-17 · 4 obs
● 2017-05-17 05:42:46
○ 2026-03-10 13:53:24
○ 2026-07-16 12:56:42
○NSns2.value-domain.com2015-08-15 → 2017-05-17 · 4 obs
● 2017-05-17 05:42:46
○ 2026-03-10 13:53:24
○ 2026-07-16 12:56:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| ba-u.jp | ns-20.awsdns-02.com, ns-962.awsdns-56.net, ns-1060.awsdns-04.org, ns-1965.awsdns-53.co.uk | - |
✅ Authoritative Response
Server:205.251.192.20
NS records: ns-20.awsdns-02.com, ns-962.awsdns-56.net, ns-1060.awsdns-04.org, ns-1965.awsdns-53.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ba-u.jp (unsigned zone)
⏱️ Timing
Total: 1276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1060.awsdns-04.org, ns-1965.awsdns-53.co.uk... |
| SOA | 1 | ns-1965.awsdns-53.co.uk awsdns-hostmaste |
Analysis
Name Servers
The NS records for ba-u.jp point to four name servers: ns-20.awsdns-02.com, ns-962.awsdns-56.net, ns-1060.awsdns-04.org and ns-1965.awsdns-53.co.uk.
The name servers of ba-u.jp overlap at least partially with those of other domains — among them onegenomics.com, itinerary.com, springstreet.com and two more.
These name servers commonly co-occur with the name servers ns21.didomains.com, ns22.didomains.com, ns21.didomains.net and ns22.didomains.net.
Each of the four hosts ns-20.awsdns-02.com, ns-962.awsdns-56.net, ns-1060.awsdns-04.org and ns-1965.awsdns-53.co.uk has two IP addresses. ns-20.awsdns-02.com points to 205.251.192.20 and 2600:9000:5300:1400::1. ns-962.awsdns-56.net points to 205.251.195.194 and 2600:9000:5303:c200::1. ns-1060.awsdns-04.org points to 205.251.196.36 and 2600:9000:5304:2400::1. ns-1965.awsdns-53.co.uk points to 205.251.199.173 and 2600:9000:5307:ad00::1.