bionumber.jp - robtex.com
bionumber.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.114.71.75🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix | ||||||
| PTR | application.beauken.shop | ||||||
| NS | ns1.zen-sv.com ⭐ | ||||||
| A | 18.180.7.78🇯🇵 Amazon18.180.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-18-180-7-78.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns2.zen-sv.com | ||||||
| A | 54.95.249.97🇯🇵 Amazon54.95.128.0/17 EC2 NRT prefix | ||||||
| PTR | ec2-54-95-249-97.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns3.zen-sv.com | ||||||
| A | 133.125.54.45🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ik1-445-54541.vs.sakura.ne.jp | ||||||
| MX | mail.bionumber.jp ⭐ | ||||||
| A | 13.114.71.75🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix | ||||||
| PTR | application.beauken.shop | ||||||
| TXT | v=spf1 mx include:spf.z-hosts.com ~all | ||||||
| SOA | ns1.zen-sv.comsvinfo@zen-sv.com 2019-08-29 #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=1773558003 | ||||||
Subdomains
mail.bionumber.jp |
Same first word
bionumber.jp |
bionumber.org |
Similar names
DNS History
9 records (5 active, 4 former)
○NSns.network.jp2015-06-28 → 2017-09-24 · 4 obs
● 2017-09-24 18:38:04
○ 2026-02-21 14:14:16
○ 2026-03-22 15:53:12
●NSns1.zen-sv.com2026-02-21 → 2026-03-22 · 3 obs
● 2026-02-21 14:14:16
● 2026-03-22 15:53:12
○NSns16.network.jp2015-06-28 → 2017-09-24 · 4 obs
● 2017-09-24 18:38:04
○ 2026-02-21 14:14:16
○ 2026-03-22 15:53:12
●NSns2.zen-sv.com2026-02-21 → 2026-03-22 · 3 obs
● 2026-02-21 14:14:16
● 2026-03-22 15:53:12
●NSns3.zen-sv.com2026-02-21 → 2026-03-22 · 3 obs
● 2026-02-21 14:14:16
● 2026-03-22 15:53:12
●MXmail.bionumber.jp2026-02-21 → 2026-03-22 · 3 obs
● 2026-02-21 14:14:16
● 2026-03-22 15:53:12
○MXwww.bionumber.jp2015-06-28 → 2017-09-24 · 4 obs
● 2017-09-24 18:38:04
○ 2026-02-21 14:14:16
○ 2026-03-22 15:53:12
○A112.78.120.142015-06-28 → 2017-09-24 · 4 obs
● 2017-09-24 18:38:04
○ 2026-02-21 14:14:16
○ 2026-03-22 15:53:12
●A13.114.71.752026-02-21 → 2026-03-22 · 3 obs
● 2026-02-21 14:14:16
● 2026-03-22 15:53:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| bionumber.jp | ns1.zen-sv.com, ns2.zen-sv.com, ns3.zen-sv.com | - |
✅ Authoritative Response
Server: 54.95.249.97
NS records: ns1.zen-sv.com, ns2.zen-sv.com, ns3.zen-sv.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bionumber.jp (unsigned zone)
⏱️ Timing
Total: 1486ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 13.114.71.75 |
| NS | 3 | ns1.zen-sv.com, ns2.zen-sv.com... |
| MX | 1 | mail.bionumber.jp (pri: 10) |
| TXT | 1 | v=spf1 mx include:spf.z-hosts.com ~all |
| SOA | 1 | ns1.zen-sv.com svinfo.zen-sv.com |
Analysis
Hierarchy
The parent of mail.bionumber.jp is bionumber.jp.
IP Addresses
bionumber.jp points to an IP address: 13.114.71.75.
other host names include aotea-jp.com, mail.nisshin-hd.co.jp, mail.bionumber.jp, mail.bar333.jp and mail.rh-navi.jp; they share IP numbers with bionumber.jp.
Name Servers
bionumber.jp is delegated to three name servers ns1.zen-sv.com, ns2.zen-sv.com and ns3.zen-sv.com.
bionumber.jp at least partially shares name servers with other domains, for instance 157.55.103.in-addr.arpa, kosodate-akita.com, z-beck.co.jp, p-partners.jp and earthmanship.com.
Host names with one IP:
ns1.zen-sv.com points to 18.180.7.78; ns2.zen-sv.com points to 54.95.249.97; ns3.zen-sv.com points to 133.125.54.45.
Mail Servers
bionumber.jp is handled by a single mail server, mail.bionumber.jp.
The host name mail.bionumber.jp points to IP 13.114.71.75.