biotoday.com - robtex.com
biotoday.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.14.17.230🇯🇵 BBTOWER211.14.16.0/22 -BLK | ||||||
| NS | ns2.jcity.com ⭐ | ||||||
| A | 112.140.51.3🇯🇵 Equinix112.140.32.0/19 Bit-isle CIDR-Block (Advertising from TY9-Network) | ||||||
| PTR | ns2.jcity.com | ||||||
| NS | ns.jcity.com | ||||||
| A | 112.140.51.2🇯🇵 Equinix112.140.32.0/19 Bit-isle CIDR-Block (Advertising from TY9-Network) | ||||||
| PTR | ns.jcity.com | ||||||
| NS | sns1.jcity.com ⚠️ Not in parent delegation | ||||||
| A | 112.140.51.9🇯🇵 Equinix112.140.32.0/19 Bit-isle CIDR-Block (Advertising from TY9-Network) | ||||||
| PTR | sns1.jcity.com | ||||||
| NS | sns2.jcity.com ⚠️ Not in parent delegation | ||||||
| A | 112.140.51.10🇯🇵 Equinix112.140.32.0/19 Bit-isle CIDR-Block (Advertising from TY9-Network) | ||||||
| PTR | sns2.jcity.com | ||||||
| MX | mail8.jcity.com ⭐ | ||||||
| A | 112.140.51.200🇯🇵 Equinix112.140.32.0/19 Bit-isle CIDR-Block (Advertising from TY9-Network) | ||||||
| PTR | mail8.jcity.com | ||||||
| TXT | v=spf1 redirect=jcity.com | ||||||
| SOA | ns.jcity.compostmaster@jcity.com 2021-05-17 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774564232 | ||||||
Subdomains
www.biotoday.com |
Same first word
DNS History
7 records (6 active, 1 former)
○A112.140.51.342015-04-22 → 2016-12-20 · 4 obs
● 2016-12-20 18:22:50
○ 2026-03-08 07:46:42
○ 2026-03-26 22:47:42
●A211.14.17.2302026-03-08 → 2026-03-26 · 3 obs
● 2026-03-08 07:46:42
● 2026-03-26 22:47:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| biotoday.com | ns2.jcity.com, ns.jcity.com | 2 records |
✅ Authoritative Response
Server:112.140.51.3
NS records: ns2.jcity.com, ns.jcity.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biotoday.com (unsigned zone)
⏱️ Timing
Total: 401ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.14.17.230 |
| NS | 4 | ns2.jcity.com, sns2.jcity.com... |
| MX | 1 | mail8.jcity.com (pri: 10) |
| TXT | 1 | v=spf1 redirect=jcity.com |
| SOA | 1 | ns.jcity.com postmaster.jcity.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.jcity.com, ns.jcity.com)
Analysis
Hierarchy
www.biotoday.com has biotoday.com as its parent.
IP Addresses
biotoday.com maps to IP address 211.14.17.230.
Other host names, for instance 2545.jp, arijp.com, jof.or.jp, 1koe.jp and www.biotoday.com share IP numbers with biotoday.com.
Name Servers
biotoday.com is delegated to four name servers: ns2.jcity.com, ns.jcity.com, sns1.jcity.com and sns2.jcity.com.
biotoday.com at least partially shares name servers with other domains such as jcity.co.jp, lesson.ne.jp, elevate-trust.com, piano.gr.jp and superfp.com.
Host names with one IP number:
ns2.jcity.com points to: 112.140.51.3
ns.jcity.com points to: 112.140.51.2
sns1.jcity.com points to: 112.140.51.9
sns2.jcity.com points to: 112.140.51.10
Mail Servers
biotoday.com is handled by a single mail server, mail8.jcity.com.
biotoday.com shares the same mail server setup as other domains, including e-kanji.net, 1koe.jp, diltd.net, ysys.net and e-oishasan.net.
mail8.jcity.com points to one IP number: 112.140.51.200.