tetsujinkun.com - robtex.com
tetsujinkun.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.252.20.169🇯🇵 QTNET210.252.0.0/18 Kyushu Telecommunication Network Co.,Inc./QTNet | ||||||
| NS | ns11.value-domain.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.98🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.184🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns12.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.86🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.188🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns13.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.98🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.52.184🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mx12.gmoserver.jp ⭐ | ||||||
| A | 210.131.236.213🇯🇵 GMOOSK-NET210.131.236.0/24 GMO Internet Group, Inc. Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx12.gmoserver.jp | ||||||
| TXT | v=spf1 include:_spf.google.com include:_spf_div.bownow.jp include:spf12.gmose... | ||||||
| TXT | google-site-verification=CLFzOPnZjukgbMlumKa0kRQGa9solYpzJ36U7KvQJL8 | ||||||
| SOA | ns1.value-domain.comhostmaster@tetsujinkun.com 2026-03-24 #16 | ||||||
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=1774706152 | ||||||
Subdomains
www.tetsujinkun.com |
Same first word
tetsujinkun.com |
DNS History
7 records (7 active, 0 former)
●NSns1.value-domain.com2026-03-12 → 2026-03-28 · 2 obs
● 2026-03-28 14:07:14
●NSns11.value-domain.com2026-03-12 → 2026-03-28 · 2 obs
● 2026-03-28 14:07:14
●NSns12.value-domain.com2026-03-12 → 2026-03-28 · 2 obs
● 2026-03-28 14:07:14
●NSns13.value-domain.com2026-03-12 → 2026-03-28 · 2 obs
● 2026-03-28 14:07:14
●NSns2.value-domain.com2026-03-12 → 2026-03-28 · 2 obs
● 2026-03-28 14:07:14
●MXmx12.gmoserver.jp2026-03-12 → 2026-03-28 · 2 obs
● 2026-03-28 14:07:14
●A210.252.20.1692026-03-12 → 2026-03-28 · 2 obs
● 2026-03-28 14:07:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tetsujinkun.com | ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com | 3 records |
✅ Authoritative Response
Server:172.64.52.184
NS records: ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tetsujinkun.com (unsigned zone)
⏱️ Timing
Total: 448ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.252.20.169 |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 1 | mx12.gmoserver.jp (pri: 10) |
| TXT | 2 | v=spf1 include:_spf.google.com include:_, google-site-verification=CLFzOPnZjukgbMl |
| SOA | 1 | ns1.value-domain.com hostmaster.tetsujin |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com)
Analysis
Hierarchy
tetsujinkun.com is the parent of www.tetsujinkun.com.
IP Addresses
tetsujinkun.com resolves to a single IP: 210.252.20.169.
Other host names share IP numbers with tetsujinkun.com; for instance www.tetsujinkun.com.
Name Servers
tetsujinkun.com delegates to five name servers: ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com, ns1.value-domain.com and ns2.value-domain.com.
tetsujinkun.com shares some name servers with other domains, for example sato.tv, yupa.jp, m-motto.com, bonvoyage.jp and hirakiya.net.
These name servers are often used together with ns3.value-domain.com, ns4.value-domain.com and ns5.value-domain.com.
Host names with two IP numbers:
ns11.value-domain.com points to 172.64.52.98 and 172.64.52.184.
ns12.value-domain.com points to 172.64.53.86 and 172.64.53.188.
ns13.value-domain.com points to 172.64.52.98 and 172.64.52.184.
ns1.value-domain.com points to 172.64.52.38 and 172.64.52.161.
ns2.value-domain.com points to 172.64.53.3 and 172.64.53.115.
Host names that point to 172.64.52.98: ns11.value-domain.com and ns13.value-domain.com.
Host names that point to 172.64.52.184: ns11.value-domain.com and ns13.value-domain.com.
Note: ns11.value-domain.com and ns13.value-domain.com share the same two IPs: 172.64.52.98 and 172.64.52.184.
Mail Servers
tetsujinkun.com is handled by a single mail server, mx12.gmoserver.jp.
tetsujinkun.com shares the mail server setup with other domains, for example surface-ltd.com, norihana.com, houdou-shisetsu.com, s-feel.com and we-serve.co.jp.
tetsujinkun.com shares at least some mail servers with other domains, for example graatia.com.
Host name mx12.gmoserver.jp points to IP 210.131.236.213.