ob1.jp - dns.ninja

ob1.jp

DNSSEC⚠️ Not signed
A157.7.184.31🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
NSns1.value-domain.com
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4.value-domain.com ⚠️ Not in zone NS records
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns5.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXaspmx.l.google.com
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A142.251.179.26🇺🇸 Google142.251.179.0/24
PTRpd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTv=spf1 include:aspmx.googlemail.com ~all
SOAns1.value-domain.comhostmaster@ob1.jp 2024-06-18 #7

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1780921802

Subdomains

Same first word

Similar names

DNS History

20 records (13 active, 7 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comns4.value-domain.comns5.value-domain.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA157.7.184.31112.69.205.16121.80.114.29219.75.158.258.188.188.22258.188.191.6659.190.242.23659.190.245.197
NSns1.value-domain.com2015-08-07 → 2026-06-08 · 2 obs
● 2015-08-07 23:59:46
● 2026-06-08 13:16:00
NSns2.value-domain.com2015-08-07 → 2026-06-08 · 2 obs
● 2015-08-07 23:59:46
● 2026-06-08 13:16:00
NSns3.value-domain.com2026-02-16 → 2026-06-08 · 3 obs
○ 2015-08-07 23:59:46
● 2026-02-16 13:13:34
● 2026-06-08 13:16:00
NSns4.value-domain.com2026-02-16 → 2026-06-08 · 3 obs
○ 2015-08-07 23:59:46
● 2026-02-16 13:13:34
● 2026-06-08 13:16:00
NSns5.value-domain.com2026-02-16 → 2026-06-08 · 3 obs
○ 2015-08-07 23:59:46
● 2026-02-16 13:13:34
● 2026-06-08 13:16:00
MXalt1.aspmx.l.google.com2015-08-07 → 2026-06-08 · 2 obs
● 2015-08-07 23:59:46
● 2026-06-08 13:16:00
MXalt2.aspmx.l.google.com2015-08-07 → 2026-06-08 · 2 obs
● 2015-08-07 23:59:46
● 2026-06-08 13:16:00
MXaspmx.l.google.com2015-08-07 → 2026-06-08 · 2 obs
● 2015-08-07 23:59:46
● 2026-06-08 13:16:00
MXaspmx2.googlemail.com2015-08-07 → 2026-06-08 · 2 obs
● 2015-08-07 23:59:46
● 2026-06-08 13:16:00
MXaspmx3.googlemail.com2015-08-07 → 2026-06-08 · 2 obs
● 2015-08-07 23:59:46
● 2026-06-08 13:16:00
MXaspmx4.googlemail.com2015-08-07 → 2026-06-08 · 2 obs
● 2015-08-07 23:59:46
● 2026-06-08 13:16:00
MXaspmx5.googlemail.com2015-08-07 → 2026-06-08 · 2 obs
● 2015-08-07 23:59:46
● 2026-06-08 13:16:00
A112.69.205.162016-07-28 → 2016-07-28 · 4 obs
○ 2016-04-24 03:44:28
● 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
○ 2016-07-28 06:08:12
● 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
○ 2020-12-25 00:16:20
● 2026-02-16 13:13:34
● 2026-06-08 13:16:00
A219.75.158.22016-04-14 → 2016-04-24 · 5 obs
○ 2016-03-08 06:12:26
● 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
○ 2015-08-07 23:59:46
● 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
○ 2015-11-18 15:10:04
● 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
● 2015-08-07 23:59:46
○ 2015-11-18 15:10:04
○ 2026-06-08 13:16:00
A59.190.245.1972016-03-08 → 2016-03-08 · 4 obs
○ 2015-12-01 09:42:06
● 2016-03-08 06:12:26
○ 2016-04-14 22:52:06
○ 2026-06-08 13:16:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
ob1.jpns4.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

TypeCountSample Data
A1157.7.184.31
NS2ns2.value-domain.com, ns1.value-domain.com
MX7aspmx2.googlemail.com (pri: 30), aspmx5.googlemail.com (pri: 30)...
TXT1v=spf1 include:aspmx.googlemail.com ~all
SOA1ns1.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.