bioscience.jp - dns.ninja
bioscience.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | ns1.xserver.jp โ ๏ธ Not in zone NS records | ||||||
| A | 202.226.36.164๐ฏ๐ต XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.170๐ฏ๐ต XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.246๐ฏ๐ต XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| NS | ns2.xserver.jp โ ๏ธ Not in zone NS records | ||||||
| A | 35.72.43.26๐ฏ๐ต Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| NS | ns3.xserver.jp โ ๏ธ Not in zone NS records | ||||||
| A | 202.226.36.247๐ฏ๐ต XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| NS | ns4.xserver.jp โ ๏ธ Not in zone NS records | ||||||
| A | 183.90.224.226๐ฏ๐ต XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 183.90.224.230๐ฏ๐ต XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 202.226.39.247๐ฏ๐ต XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| NS | ns5.xserver.jp โ ๏ธ Not in zone NS records | ||||||
| A | 157.112.182.218๐ฏ๐ต XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 157.112.182.220๐ฏ๐ต XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 202.226.37.247๐ฏ๐ต XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
jp
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | z.dns.jp โญ | ||||||
| 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=1782628203 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
โNSns1.xserver.jp2026-03-11 โ 2026-06-28 ยท 2 obs
โ 2026-06-28 06:45:02
โNSns2.xserver.jp2026-03-11 โ 2026-06-28 ยท 2 obs
โ 2026-06-28 06:45:02
โNSns3.xserver.jp2026-03-11 โ 2026-06-28 ยท 2 obs
โ 2026-06-28 06:45:02
โNSns4.xserver.jp2026-03-11 โ 2026-06-28 ยท 2 obs
โ 2026-06-28 06:45:02
โNSns5.xserver.jp2026-03-11 โ 2026-06-28 ยท 2 obs
โ 2026-06-28 06:45:02
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| bioscience.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
โ Authoritative Response
Server:202.226.36.164
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for bioscience.jp (unsigned zone)
โฑ๏ธ Timing
Total: 907ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|
๐ Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Name Servers
bioscience.jp has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
bioscience.jp partially shares its NS delegation with several other domains, including anokono-iyashi.com, akimabairin.com, k-sho.com and two others.
These name servers are regularly seen alongside ns4.xserver.jp and ns5.xserver.jp as name servers.
Hostnames that resolve to three IP addresses:
ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts with just one IP address:
ns2.xserver.jp directs to 35.72.43.26.
ns3.xserver.jp directs to 202.226.36.247.