oou.co.jp - robtex.com

oou.co.jp

DNSSEC⚠️ Not signed
A219.94.129.176🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1136.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXoou.co.jp ⭐
A219.94.129.176🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1136.sakura.ne.jp
TXTv=spf1 a:www1136.sakura.ne.jp mx ~allgoogle-site-verification=86_Dcd5pdQux8IN...
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-10-06 #1

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

MX for

oou.co.jp

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DNS History

5 records (5 active, 0 former)

NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXoou.co.jpA219.94.129.176
●NSmaster.dns.ne.jp2026-08-10 → 2026-08-11 · 2 obs
● 2026-08-10 08:56:38
● 2026-08-11 11:21:22
●NSns1.dns.ne.jp2026-08-10 → 2026-08-11 · 2 obs
● 2026-08-10 08:56:38
● 2026-08-11 11:21:22
●NSns2.dns.ne.jp2026-08-10 → 2026-08-11 · 2 obs
● 2026-08-10 08:56:38
● 2026-08-11 11:21:22
●MXoou.co.jp2026-08-10 → 2026-08-11 · 2 obs
● 2026-08-10 08:56:38
● 2026-08-11 11:21:22
●A219.94.129.1762026-08-10 → 2026-08-11 · 2 obs
● 2026-08-10 08:56:38
● 2026-08-11 11:21:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, g.dns.jp, d.dns.jp, e.dns.jp...-
oou.co.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oou.co.jp (unsigned zone)

⏱️ Timing

Total: 864ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.129.176
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1oou.co.jp (pri: 10)
TXT1v=spf1 a:www1136.sakura.ne.jp mx ~allgoo
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

Mail Server Role

oou.co.jp is listed as a mail server for itself.

IP Addresses

oou.co.jp resolves to one IP address: 219.94.129.176.

medicalcouncil.jp, katadakara.com, ibamen.com and two other host names share IP numbers with oou.co.jp.

Name Servers

oou.co.jp has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

oou.co.jp partially shares its NS delegation with several other domains, including mechatronix.org, kato-violin.com, ecolife-ec.co.jp and two others.

Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

Mail for oou.co.jp is handled by one mail server — oou.co.jp.

oou.co.jp points to one IP number — 219.94.129.176.