obs-jp.com - robtex.com

obs-jp.com

DNSSEC⚠️ Not signed
A157.205.196.156🇯🇵 AICS157.205.196.0/23 OTSUKA CORPORATION X-Keiro: noc@aics.ad.jp X-Keiro: JPIRR-alert@ml.aics.ad.jp
PTRwebsvr157-205-196-156.alpha-prm.jp
NSfjkdns99.alpha-prm.jp ⭐
A157.205.203.140🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkmst11.alpha-prm.jp
NSfjkdns11.alpha-prm.jp
A157.205.203.136🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkdns11.alpha-prm.jp
NSfjkdns12.alpha-prm.jp
A157.205.160.33🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkdns12.alpha-prm.jp
NSfjkdns13.alpha-prm.jp
A157.205.160.49🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkdns13.alpha-prm.jp
MXmxi.alpha-prm.jp ⭐
A157.205.8.22🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRmxi.alpha-prm.jp
TXTv=spf1 ip4:157.205.196.156/32 include:spf.alpha-prm.jp ~all
SOAfjkdns99.alpha-prm.jphostmaster@alpha-prm.jp 2026-04-20 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778690331

Same first word

obs-jp.com

Similar names

bos-jp.com
jb-spo.de
osp-jb.ch

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSfjkdns11.alpha-prm.jpfjkdns12.alpha-prm.jpfjkdns13.alpha-prm.jpfjkdns99.alpha-prm.jpgntdns01.alpha-plt.jpgntdns02.alpha-plt.jpgntdns03.alpha-plt.jpgntmst21.alpha-plt.jpMXmxi.alpha-prm.jpamxi.aics.ne.jpA157.205.196.156
●NSfjkdns11.alpha-prm.jp2026-03-24 → 2026-05-13 · 3 obs
○ 2018-10-03 15:58:36
● 2026-03-24 18:25:14
● 2026-05-13 16:48:10
●NSfjkdns12.alpha-prm.jp2026-03-24 → 2026-05-13 · 3 obs
○ 2018-10-03 15:58:36
● 2026-03-24 18:25:14
● 2026-05-13 16:48:10
●NSfjkdns13.alpha-prm.jp2026-03-24 → 2026-05-13 · 3 obs
○ 2018-10-03 15:58:36
● 2026-03-24 18:25:14
● 2026-05-13 16:48:10
●NSfjkdns99.alpha-prm.jp2026-03-24 → 2026-05-13 · 3 obs
○ 2018-10-03 15:58:36
● 2026-03-24 18:25:14
● 2026-05-13 16:48:10
○NSgntdns01.alpha-plt.jp2015-08-10 → 2018-10-03 · 4 obs
● 2015-08-10 11:24:52
● 2018-10-03 15:58:36
○ 2026-03-24 18:25:14
○ 2026-05-13 16:48:10
○NSgntdns02.alpha-plt.jp2015-08-10 → 2018-10-03 · 4 obs
● 2015-08-10 11:24:52
● 2018-10-03 15:58:36
○ 2026-03-24 18:25:14
○ 2026-05-13 16:48:10
○NSgntdns03.alpha-plt.jp2015-08-10 → 2018-10-03 · 4 obs
● 2015-08-10 11:24:52
● 2018-10-03 15:58:36
○ 2026-03-24 18:25:14
○ 2026-05-13 16:48:10
○NSgntmst21.alpha-plt.jp2015-08-10 → 2018-10-03 · 4 obs
● 2015-08-10 11:24:52
● 2018-10-03 15:58:36
○ 2026-03-24 18:25:14
○ 2026-05-13 16:48:10
○MXamxi.aics.ne.jp2015-08-10 → 2018-10-03 · 4 obs
● 2015-08-10 11:24:52
● 2018-10-03 15:58:36
○ 2026-03-24 18:25:14
○ 2026-05-13 16:48:10
●MXmxi.alpha-prm.jp2026-03-24 → 2026-05-13 · 3 obs
○ 2018-10-03 15:58:36
● 2026-03-24 18:25:14
● 2026-05-13 16:48:10
●A157.205.196.1562026-03-24 → 2026-05-13 · 2 obs
● 2026-03-24 18:25:14
● 2026-05-13 16:48:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net...-
obs-jp.comfjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp-

✅ Authoritative Response

Server:157.205.203.136

NS records: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for obs-jp.com (unsigned zone)

⏱️ Timing

Total: 1178ms | Queries: -

📄 Records

TypeCountSample Data
A1157.205.196.156
NS3fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp...
MX1mxi.alpha-prm.jp (pri: 100)
TXT1v=spf1 ip4:157.205.196.156/32 include:sp
SOA1fjkdns99.alpha-prm.jp hostmaster.alpha-p

Analysis

IP Addresses

obs-jp.com points to a single IP: 157.205.196.156.

Other host names, such as websvr157-205-196-156.alpha-prm.jp, share IP numbers with obs-jp.com.

Name Servers

obs-jp.com's delegation is handled by four name servers: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.

obs-jp.com partially shares name servers with other domains; examples include nihonkisetu.co.jp, s-hnk.or.jp, keiyo-bend.co.jp, vne.co.jp and jmanners.net.

Host names with one IP:

fjkdns11.alpha-prm.jp points to 157.205.203.136

fjkdns12.alpha-prm.jp points to 157.205.160.33

fjkdns13.alpha-prm.jp points to 157.205.160.49

fjkdns99.alpha-prm.jp points to 157.205.203.140

Mail Servers

obs-jp.com is handled by a single mail server, mxi.alpha-prm.jp.

obs-jp.com has the same mail server setup as other domains, including geiyo.jp, tohoku-shien.jp, havmercy.co.jp, sapporo-odori-notary.jp and kyushu-asia.co.jp.

Some mail servers are shared between obs-jp.com and other domains, for example zen-co.com.

mxi.alpha-prm.jp points to a single IP: 157.205.8.22.