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=1780921802 | ||||||
Subdomains
Same first word
ob1.realestate |
ob1.cc |
ob1.biz |
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 → 2026-06-08 · 2 obs
● 2026-06-08 13:16:00
●NSns2.value-domain.com2015-08-07 → 2026-06-08 · 2 obs
● 2026-06-08 13:16:00
●NSns3.value-domain.com2026-02-16 → 2026-06-08 · 3 obs
● 2026-02-16 13:13:34
● 2026-06-08 13:16:00
●NSns4.value-domain.com2026-02-16 → 2026-06-08 · 3 obs
● 2026-02-16 13:13:34
● 2026-06-08 13:16:00
●NSns5.value-domain.com2026-02-16 → 2026-06-08 · 3 obs
● 2026-02-16 13:13:34
● 2026-06-08 13:16:00
●MXalt1.aspmx.l.google.com2015-08-07 → 2026-06-08 · 2 obs
● 2026-06-08 13:16:00
●MXalt2.aspmx.l.google.com2015-08-07 → 2026-06-08 · 2 obs
● 2026-06-08 13:16:00
●MXaspmx.l.google.com2015-08-07 → 2026-06-08 · 2 obs
● 2026-06-08 13:16:00
●MXaspmx2.googlemail.com2015-08-07 → 2026-06-08 · 2 obs
● 2026-06-08 13:16:00
●MXaspmx3.googlemail.com2015-08-07 → 2026-06-08 · 2 obs
● 2026-06-08 13:16:00
●MXaspmx4.googlemail.com2015-08-07 → 2026-06-08 · 2 obs
● 2026-06-08 13:16:00
●MXaspmx5.googlemail.com2015-08-07 → 2026-06-08 · 2 obs
● 2026-06-08 13:16:00
○A112.69.205.162016-07-28 → 2016-07-28 · 4 obs
● 2016-07-28 06:08:12
○ 2020-12-25 00:16:20
○ 2026-06-08 13:16:00
○A121.80.114.292020-12-25 → 2020-12-25 · 4 obs
● 2020-12-25 00:16:20
○ 2026-02-16 13:13:34
○ 2026-06-08 13:16:00
●A157.7.184.312026-02-16 → 2026-06-08 · 3 obs
● 2026-02-16 13:13:34
● 2026-06-08 13:16:00
○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
○ 2026-06-08 13:16:00
○A58.188.188.2222015-11-18 → 2015-11-18 · 4 obs
● 2015-11-18 15:10:04
○ 2015-12-01 09:42:06
○ 2026-06-08 13:16:00
○A58.188.191.662015-12-01 → 2015-12-01 · 4 obs
● 2015-12-01 09:42:06
○ 2016-03-08 06:12:26
○ 2026-06-08 13:16:00
○A59.190.242.2362015-08-07 → 2015-08-07 · 3 obs
○ 2015-11-18 15:10:04
○ 2026-06-08 13:16:00
○A59.190.245.1972016-03-08 → 2016-03-08 · 4 obs
● 2016-03-08 06:12:26
○ 2016-04-14 22:52:06
○ 2026-06-08 13:16:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| ob1.jp | ns4.value-domain.com, ns5.value-domain.com, ns1.value-domain.com, ns2.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.52.38
NS records: ns4.value-domain.com, ns5.value-domain.com, ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ob1.jp (unsigned zone)
⏱️ Timing
Total: 1299ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.184.31 |
| NS | 2 | ns2.value-domain.com, ns1.value-domain.com |
| MX | 7 | aspmx2.googlemail.com (pri: 30), aspmx5.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
ob1.jp delegates to 5 name servers — ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com among them, along with two more.
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 pointing to two IP addresses:
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.
ns3.value-domain.com points to 172.64.52.38 and 172.64.52.161.
ns4.value-domain.com points to 172.64.53.3 and 172.64.53.115.
ns5.value-domain.com points 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.
ns2.value-domain.com and ns4.value-domain.com are host names that each point to 172.64.53.3 IP addresses.
ns2.value-domain.com and ns4.value-domain.com are host names that each point to 172.64.53.115 IP addresses.
Mail Servers
ob1.jp uses a set of 7 mail servers for delivery — aspmx2.googlemail.com, aspmx3.googlemail.com and aspmx4.googlemail.com among them, with four others.
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.
It is common for these mail servers to be used in conjunction with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus three others.
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 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx4.googlemail.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com points to 173.194.76.26 and 2a00:1450:400c:c00::1a.
aspmx.l.google.com points to 142.251.179.26 and 2607:f8b0:4004:c19::1b.
alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c0f::1a IP addresses.