dev.jp - dns.ninja
dev.jp
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=1785158103 | ||||||
Subdomains
www.dev.jp |
Same first word
Similar names
DNS History
13 records (12 active, 1 former)
●NSns1.value-domain.com2015-08-07 → 2026-07-27 · 2 obs
● 2026-07-27 13:39:54
●NSns2.value-domain.com2015-08-07 → 2026-07-27 · 2 obs
● 2026-07-27 13:39:54
●NSns3.value-domain.com2026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 01:33:00
● 2026-07-27 13:39:54
●NSns4.value-domain.com2026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 01:33:00
● 2026-07-27 13:39:54
●NSns5.value-domain.com2026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 01:33:00
● 2026-07-27 13:39:54
●MXalt1.aspmx.l.google.com2015-08-07 → 2026-07-27 · 2 obs
● 2026-07-27 13:39:54
●MXalt2.aspmx.l.google.com2015-08-07 → 2026-07-27 · 2 obs
● 2026-07-27 13:39:54
●MXaspmx.l.google.com2015-08-07 → 2026-07-27 · 2 obs
● 2026-07-27 13:39:54
●MXaspmx2.googlemail.com2015-08-07 → 2026-07-27 · 2 obs
● 2026-07-27 13:39:54
●MXaspmx3.googlemail.com2015-08-07 → 2026-07-27 · 2 obs
● 2026-07-27 13:39:54
●A122.249.237.2412026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 01:33:00
● 2026-07-27 13:39:54
○A14.3.56.282015-08-07 → 2017-09-22 · 4 obs
● 2017-09-22 12:01:12
○ 2026-02-15 01:33:00
○ 2026-07-27 13:39:54
●A2405:6580:8080:2b00:aaa:c562:d0df:800d2026-02-15 → 2026-07-27 · 3 obs
● 2026-02-15 01:33:00
● 2026-07-27 13:39:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| dev.jp | ns1.value-domain.com, ns2.value-domain.com, ns5.value-domain.com, ns4.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns1.value-domain.com, ns2.value-domain.com, ns5.value-domain.com, ns4.value-domain.com, ns3.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dev.jp (unsigned zone)
⏱️ Timing
Total: 3185ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.249.237.241 |
| AAAA | 1 | 2405:6580:8080:2b00:aaa:c562:d0df:800d |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 5 | aspmx3.googlemail.com (pri: 10), aspmx.l.google.com (pri: 1)... |
| TXT | 3 | v=spf1 +mx:siisise.net -all, google-site-verification=4VAuIbCxlbNudMA... |
| SOA | 1 | ns1.value-domain.com hostmaster.dev.jp |
Analysis
Hierarchy
dev.jp serves as the parent of www.dev.jp.
IP Addresses
dev.jp resolves to the IP addresses 122.249.237.241 and 2405:6580:8080:2b00:aaa:c562:d0df:800d
Additional host names — b3.siisise.net, x237241.ppp.asahi-net.or.jp, siisise.net and two others — share IP numbers with dev.jp.
Name Servers
Delegation for dev.jp is to five name servers: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.
dev.jp has at least partial name server overlap with other domains, such as prt.jp, techoken.com, dwu.jp and two others.
These name servers are frequently paired with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.
Host names pointing to a single IP address:
ns1.value-domain.com has the IP address 172.64.52.38.
ns2.value-domain.com has the IP address 172.64.53.3.
ns3.value-domain.com has the IP address 172.64.52.38.
ns4.value-domain.com has the IP address 172.64.53.3.
ns5.value-domain.com has the IP address 172.64.52.38.
ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com are host names that all point to 172.64.52.38.
Both ns2.value-domain.com and ns4.value-domain.com resolve to 172.64.53.3 IP addresses each.
Mail Servers
dev.jp is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
dev.jp shares mail servers — at least in part — with other domains, including mail.lingo24.com, bonthe.de, urbandhollz.com and two others.
These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.
Host names with two IP numbers:
aspmx2.googlemail.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com directs traffic to 172.253.122.27 and 2607:f8b0:4004:c21::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2800:3f0:4003:c0f::1a IP addresses each.
Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1a IP addresses each.
Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 172.253.116.26 IP addresses each.