unsigned.jp - dns.ninja
unsigned.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.172.26.31🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | m30.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 | ||||||
| A | 172.64.52.161🇺🇸 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 | ||||||
| A | 172.64.53.115🇺🇸 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 | ||||||
| A | 172.64.52.161🇺🇸 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 | ||||||
| A | 172.64.53.115🇺🇸 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 | ||||||
| A | 172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | core.unsigned.jp ⭐ | ||||||
| A | 202.172.26.31🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | m30.coreserver.jp | ||||||
| MX | smtp.unsigned.jp(20) | ||||||
| A | 202.172.26.31🇯🇵 DRNET202.172.24.0/21 | ||||||
| PTR | m30.coreserver.jp | ||||||
| TXT | v=spf1 ip4:202.172.26.31 include:mxr.valueserver.jp ~all | ||||||
| SOA | ns1.value-domain.comhostmaster@unsigned.jp 2026-04-11 #0 | ||||||
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=1781635503 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (8 active, 3 former)
○NSdns.unsigned.jp2015-07-23 → 2020-03-10 · 4 obs
● 2020-03-10 00:09:40
○ 2026-03-01 20:59:18
○ 2026-06-16 19:29:50
○NSdns2.unsigned.jp2015-07-23 → 2020-03-10 · 4 obs
● 2020-03-10 00:09:40
○ 2026-03-01 20:59:18
○ 2026-06-16 19:29:50
●NSns1.value-domain.com2026-03-01 → 2026-06-16 · 3 obs
● 2026-03-01 20:59:18
● 2026-06-16 19:29:50
●NSns2.value-domain.com2026-03-01 → 2026-06-16 · 3 obs
● 2026-03-01 20:59:18
● 2026-06-16 19:29:50
●NSns3.value-domain.com2026-03-01 → 2026-06-16 · 3 obs
● 2026-03-01 20:59:18
● 2026-06-16 19:29:50
●NSns4.value-domain.com2026-03-01 → 2026-06-16 · 3 obs
● 2026-03-01 20:59:18
● 2026-06-16 19:29:50
●NSns5.value-domain.com2026-03-01 → 2026-06-16 · 3 obs
● 2026-03-01 20:59:18
● 2026-06-16 19:29:50
●MXcore.unsigned.jp2026-03-01 → 2026-06-16 · 3 obs
● 2026-03-01 20:59:18
● 2026-06-16 19:29:50
●MXsmtp.unsigned.jp2015-07-23 → 2026-06-16 · 2 obs
● 2026-06-16 19:29:50
○A160.16.110.602015-07-23 → 2020-03-10 · 4 obs
● 2020-03-10 00:09:40
○ 2026-03-01 20:59:18
○ 2026-06-16 19:29:50
●A202.172.26.312026-03-01 → 2026-06-16 · 3 obs
● 2026-03-01 20:59:18
● 2026-06-16 19:29:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| unsigned.jp | ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.52.161
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 unsigned.jp (unsigned zone)
⏱️ Timing
Total: 1831ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.172.26.31 |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 2 | core.unsigned.jp (pri: 10), smtp.unsigned.jp (pri: 20) |
| TXT | 1 | v=spf1 ip4:202.172.26.31 include:mxr.val |
| SOA | 1 | ns1.value-domain.com hostmaster.unsigned |
Analysis
Hierarchy
unsigned.jp has four subdomains: smtp.unsigned.jp, mail.unsigned.jp, *.unsigned.jp and core.unsigned.jp.
IP Addresses
unsigned.jp has exactly one IP address — 202.172.26.31.
mimi-ok.com, mailboxjapan.com, hostmaster.digikan.net plus two other host names have IP numbers in common with unsigned.jp.
Name Servers
Five name servers handle delegation for unsigned.jp: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.
There is at least partial name server overlap between unsigned.jp and other domains — launer.jp, e-linhua.com, ad-kit.co.jp and two more among them.
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 pointing to two IP addresses:
ns1.value-domain.com directs traffic to 172.64.52.38 and 172.64.52.161.
ns2.value-domain.com directs traffic to 172.64.53.3 and 172.64.53.115.
ns3.value-domain.com directs traffic to 172.64.52.38 and 172.64.52.161.
ns4.value-domain.com directs traffic to 172.64.53.3 and 172.64.53.115.
ns5.value-domain.com directs traffic to 172.64.52.38 and 172.64.52.161.
Three host names point to 172.64.52.38: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com.
Three host names point to 172.64.52.161: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com.
Both ns2.value-domain.com and ns4.value-domain.com resolve to 172.64.53.3 IP addresses each.
Both ns2.value-domain.com and ns4.value-domain.com resolve to 172.64.53.115 IP addresses each.
Mail Servers
unsigned.jp uses two mail servers, core.unsigned.jp and smtp.unsigned.jp.
core.unsigned.jp resolves to 202.172.26.31; smtp.unsigned.jp resolves to the same IP address, 202.172.26.31.
Both core.unsigned.jp and smtp.unsigned.jp resolve to 202.172.26.31 IP addresses each.