oa9.jp - robtex.com

oa9.jp

DNSSEC⚠️ Not signed
A157.7.44.238🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRusers201.vip.heteml.jp
NSdns0.heteml.jp ⭐
A157.7.44.53🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRdns510.heteml.jp
NSdns1.heteml.jp
A157.7.188.149🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRdns711.phy.heteml.jp
MXmx-proxy501.heteml.jp ⭐
A157.7.189.17🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
MXmx-proxy502.heteml.jp(20)
A157.7.189.18🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
TXTv=spf1 include:_spf.heteml.jp ~all
SOAdns0.heteml.jphostmaster@oa9.jp serial=1785201871

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=1785201302

Same first word

oa9.com
oa9.net
oa9.jp

Similar names

ao9.com.cn
ao9.io
9ao.net
a9o.de
9oa.ws
ao9.de
ao9.com
ao9.cn
o9a.net
9ao.de
9ao.org
a9o.com
o9a.org
9oa.net
o9a.ru
ao9.net
o9a.cc
ao9.cc

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSdns0.heteml.jpdns1.heteml.jpMXmx-proxy501.heteml.jpmx-proxy502.heteml.jpmail1.heteml.jpA157.7.44.238157.7.188.225210.188.199.220
●NSdns0.heteml.jp2015-08-20 → 2026-07-28 · 2 obs
● 2015-08-20 10:59:54
● 2026-07-28 01:27:20
●NSdns1.heteml.jp2015-08-20 → 2026-07-28 · 2 obs
● 2015-08-20 10:59:54
● 2026-07-28 01:27:20
○MXmail1.heteml.jp2015-08-20 → 2020-01-24 · 4 obs
● 2015-08-20 10:59:54
● 2020-01-24 01:22:24
○ 2026-05-11 17:42:42
○ 2026-07-28 01:27:20
●MXmx-proxy501.heteml.jp2026-05-11 → 2026-07-28 · 3 obs
○ 2020-01-24 01:22:24
● 2026-05-11 17:42:42
● 2026-07-28 01:27:20
●MXmx-proxy502.heteml.jp2026-05-11 → 2026-07-28 · 3 obs
○ 2020-01-24 01:22:24
● 2026-05-11 17:42:42
● 2026-07-28 01:27:20
○A157.7.188.2252015-12-15 → 2020-01-24 · 5 obs
○ 2015-08-20 10:59:54
● 2015-12-15 13:42:36
● 2020-01-24 01:22:24
○ 2026-05-11 17:42:42
○ 2026-07-28 01:27:20
●A157.7.44.2382026-05-11 → 2026-07-28 · 3 obs
○ 2020-01-24 01:22:24
● 2026-05-11 17:42:42
● 2026-07-28 01:27:20
○A210.188.199.2202015-08-20 → 2015-08-20 · 3 obs
● 2015-08-20 10:59:54
○ 2015-12-15 13:42:36
○ 2026-07-28 01:27:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
oa9.jpdns0.heteml.jp, dns1.heteml.jp2 records

✅ Authoritative Response

Server:157.7.44.53

NS records: dns0.heteml.jp, dns1.heteml.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oa9.jp (unsigned zone)

⏱️ Timing

Total: 900ms | Queries: -

📄 Records

TypeCountSample Data
A1157.7.44.238
NS2dns0.heteml.jp, dns1.heteml.jp
MX2mx-proxy501.heteml.jp (pri: 10), mx-proxy502.heteml.jp (pri: 20)
TXT1v=spf1 include:_spf.heteml.jp ~all
SOA1dns0.heteml.jp hostmaster.oa9.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns0.heteml.jp, dns1.heteml.jp)

Analysis

IP Addresses

oa9.jp directs to one IP number, which is 157.7.44.238.

Among the host names that share IP numbers with oa9.jp are abhai.jp, kihon.ukule.net, 086-space.com and two others.

Name Servers

oa9.jp uses two name servers for its delegation: dns0.heteml.jp and dns1.heteml.jp.

oa9.jp has the same name server delegation as a number of other domains, such as popscene.jp, yamabikostudio.com, arawaru.jp and two more.

dns0.heteml.jp resolves to 157.7.44.53. dns1.heteml.jp resolves to 157.7.188.149. Both host names point to a single IP number.

Mail Servers

The MX records for oa9.jp point to two mail servers: mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.

oa9.jp has the same mail server arrangement as a number of other domains, for example ch-j.co.jp, kenta-kun.com, nami-miyahara.com and two more.

oa9.jp partially shares its mail servers with other domains, hao-net.com and architex.co.jp being examples.

mx-proxy501.heteml.jp resolves to 157.7.189.17. mx-proxy502.heteml.jp resolves to 157.7.189.18. Both host names point to a single IP number.