yamapen.jp - robtex.com
yamapen.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.172.25.8🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | b7.coreserver.jp | ||||||
| NS | ns1.value-domain.com ⭐ | ||||||
| A | 172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.value-domain.com | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.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 | ||||||
| NS | ns4.value-domain.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns5.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 | ||||||
| MX | mail.yamapen.jp ⭐ | ||||||
| A | 202.172.25.8🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | b7.coreserver.jp | ||||||
| TXT | v=spf1 ip4:202.172.25.8 ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@yamapen.jp 2020-08-26 #20 | ||||||
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=1786463102 | ||||||
Subdomains
mail.yamapen.jp |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.value-domain.com2015-07-16 → 2026-08-11 · 2 obs
● 2026-08-11 16:38:38
●NSns2.value-domain.com2015-07-16 → 2026-08-11 · 2 obs
● 2026-08-11 16:38:38
●NSns3.value-domain.com2026-07-03 → 2026-08-11 · 3 obs
● 2026-07-03 11:41:58
● 2026-08-11 16:38:38
●NSns4.value-domain.com2026-07-03 → 2026-08-11 · 3 obs
● 2026-07-03 11:41:58
● 2026-08-11 16:38:38
●NSns5.value-domain.com2026-07-03 → 2026-08-11 · 3 obs
● 2026-07-03 11:41:58
● 2026-08-11 16:38:38
●MXmail.yamapen.jp2015-07-16 → 2026-08-11 · 2 obs
● 2026-08-11 16:38:38
●A202.172.25.82015-07-16 → 2026-08-11 · 2 obs
● 2026-08-11 16:38:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| yamapen.jp | ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yamapen.jp (unsigned zone)
⏱️ Timing
Total: 1227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.172.25.8 |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 1 | mail.yamapen.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:202.172.25.8 ~all |
| SOA | 1 | ns1.value-domain.com hostmaster.yamapen. |
Analysis
Hierarchy
yamapen.jp is the parent zone for mail.yamapen.jp.
IP Addresses
yamapen.jp has exactly one IP address — 202.172.25.8.
nekotobi.com, mail.lemanze.com, vietjetair-wcc.jp plus two other host names have IP numbers in common with yamapen.jp.
Name Servers
Five name servers handle delegation for yamapen.jp: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.
yamapen.jp partially shares its NS delegation with several other domains, including mcpclub.net, koeis.biz, mabow.net and two others.
These name servers tend to appear together with the name servers ns4.value-domain.com, ns5.value-domain.com and ns11.value-domain.com, plus two others.
Host names resolving to a single IP address:
ns1.value-domain.com resolves to the IP address 172.64.52.38.
ns2.value-domain.com resolves to the IP address 172.64.53.3.
ns3.value-domain.com resolves to the IP address 172.64.52.38.
ns4.value-domain.com resolves to the IP address 172.64.53.3.
ns5.value-domain.com resolves to the IP address 172.64.52.38.
Three host names point to 172.64.52.38: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com.
ns2.value-domain.com and ns4.value-domain.com each have 172.64.53.3 IP addresses.
Mail Servers
yamapen.jp uses one mail server — mail.yamapen.jp.
mail.yamapen.jp resolves to 202.172.25.8 and no other IP number.