ob1.jp - dns.ninja
ob1.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=1785010502 | ||||||
Subdomains
Same first word
ob1.realestate |
ob1.cc |
ob1.fr |
ob1.io |
ob1.online |
ob1.ru |
ob1.com.au |
ob1.info |
ob1.dk |
ob1.so |
ob1.us |
ob1.net |
ob1.com |
ob1.de |
ob1.nl |
ob1.com.my |
ob1.eu |
ob1.in |
ob1.jp |
Similar names
DNS History
20 records (13 active, 7 former)
●NSns1.value-domain.com2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 20:21:28
●NSns2.value-domain.com2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 20:21:28
●NSns3.value-domain.com2026-02-16 → 2026-07-25 · 3 obs
● 2026-02-16 13:13:34
● 2026-07-25 20:21:28
●NSns4.value-domain.com2026-02-16 → 2026-07-25 · 3 obs
● 2026-02-16 13:13:34
● 2026-07-25 20:21:28
●NSns5.value-domain.com2026-02-16 → 2026-07-25 · 3 obs
● 2026-02-16 13:13:34
● 2026-07-25 20:21:28
●MXalt1.aspmx.l.google.com2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 20:21:28
●MXalt2.aspmx.l.google.com2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 20:21:28
●MXaspmx.l.google.com2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 20:21:28
●MXaspmx2.googlemail.com2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 20:21:28
●MXaspmx3.googlemail.com2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 20:21:28
●MXaspmx4.googlemail.com2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 20:21:28
●MXaspmx5.googlemail.com2015-08-07 → 2026-07-25 · 2 obs
● 2026-07-25 20:21:28
○A112.69.205.162016-07-28 → 2016-07-28 · 4 obs
● 2016-07-28 06:08:12
○ 2020-12-25 00:16:20
○ 2026-07-25 20:21:28
○A121.80.114.292020-12-25 → 2020-12-25 · 4 obs
● 2020-12-25 00:16:20
○ 2026-02-16 13:13:34
○ 2026-07-25 20:21:28
●A157.7.184.312026-02-16 → 2026-07-25 · 3 obs
● 2026-02-16 13:13:34
● 2026-07-25 20:21:28
○A219.75.158.22016-04-14 → 2016-04-24 · 5 obs
● 2016-04-14 22:52:06
● 2016-04-24 03:44:28
○ 2016-07-28 06:08:12
○ 2026-07-25 20:21:28
○A58.188.188.2222015-11-18 → 2015-11-18 · 4 obs
● 2015-11-18 15:10:04
○ 2015-12-01 09:42:06
○ 2026-07-25 20:21:28
○A58.188.191.662015-12-01 → 2015-12-01 · 4 obs
● 2015-12-01 09:42:06
○ 2016-03-08 06:12:26
○ 2026-07-25 20:21:28
○A59.190.242.2362015-08-07 → 2015-08-07 · 3 obs
○ 2015-11-18 15:10:04
○ 2026-07-25 20:21:28
○A59.190.245.1972016-03-08 → 2016-03-08 · 4 obs
● 2016-03-08 06:12:26
○ 2016-04-14 22:52:06
○ 2026-07-25 20:21:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| ob1.jp | ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.53.3
NS records: ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com, ns1.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ob1.jp (unsigned zone)
⏱️ Timing
Total: 1372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.184.31 |
| NS | 2 | ns1.value-domain.com, ns2.value-domain.com |
| MX | 7 | aspmx5.googlemail.com (pri: 30), aspmx2.googlemail.com (pri: 30)... |
| TXT | 1 | v=spf1 include:aspmx.googlemail.com ~all |
| SOA | 1 | ns1.value-domain.com hostmaster.ob1.jp |
Analysis
Hierarchy
ob1.jp serves as the parent of redbee.ob1.jp and www.ob1.jp.
IP Addresses
ob1.jp has exactly one IP address — 157.7.184.31.
hiroshiyasuda.com, techno-heart.com, toshi-keisan.com plus two other host names have IP numbers in common with ob1.jp.
Name Servers
Five name servers handle delegation for ob1.jp: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.
ob1.jp partially shares its NS delegation with several other domains, including framing.jp, pitalife.com, ricarica.jp and two others.
These name servers tend to appear together with the name servers ns4.value-domain.com, ns5.value-domain.com and ns13.value-domain.com, plus two others.
Host names resolving to a single IP address:
ns1.value-domain.com points to 172.64.52.38.
ns2.value-domain.com points to 172.64.53.3.
ns3.value-domain.com points to 172.64.52.38.
ns4.value-domain.com points to 172.64.53.3.
ns5.value-domain.com points to 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 are host names that each point to 172.64.53.3 IP addresses.
Mail Servers
The MX records for ob1.jp point to 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
At least some of the mail servers used by ob1.jp are shared with other domains: denverwasherdryer.com, ns500731.ns500731.ns500742.ns500742.ns500704.ns500671.ns500705.ns500688.ns500671.ns500671.ns500666.ns500153.tenderladiesbz.com, ns500759.ns500759.ns500698.ns500735.ns500735.ns500698.ns500735.ns500736.ns500708.ns500708.ns500708.ns500576.ns500619.ns500686.ns500619.ns500576.trackreceptor.com and two others among them.
These mail servers are often deployed together with alt1.aspmx.l.google.com, aspmx.l.google.com, alt2.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx2.googlemail.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx4.googlemail.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
aspmx5.googlemail.com points to 172.253.157.27 and 2a00:1450:400c:c23::1b.
aspmx.l.google.com points to 142.251.179.27 and 2607:f8b0:4004:c25::1a.
alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c0f::1a IP addresses.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 108.177.123.27 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.26 IP addresses.