oacenter.jp - robtex.com

oacenter.jp

DNSSEC⚠️ Not signed
A2403:3a00:201:19:210:224:185:181🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww2541.sakura.ne.jp
A210.224.185.181🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
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
MXoacenter.jp ⭐
A2403:3a00:201:19:210:224:185:181🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww2541.sakura.ne.jp
A210.224.185.181🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2541.sakura.ne.jp
TXTv=spf1 a:www2541.sakura.ne.jp mx ~all
TXTMS=DD969686049F6290607D461702B48922F53B544A
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-12-08 #2

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=1774782902

MX for

oacenter.jp

Same first word

oacenter.co.jp
oacenter.jp
oacenter.com

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oceanter.com
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DNS History

6 records (6 active, 0 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXoacenter.jpA210.224.185.1812403:3a00:201:19:210:224:185:181
●NSmaster.dns.ne.jp2015-06-19 → 2026-03-29 · 2 obs
● 2015-06-19 03:14:58
● 2026-03-29 11:32:52
●NSns1.dns.ne.jp2015-06-19 → 2026-03-29 · 2 obs
● 2015-06-19 03:14:58
● 2026-03-29 11:32:52
●NSns2.dns.ne.jp2015-06-19 → 2026-03-29 · 2 obs
● 2015-06-19 03:14:58
● 2026-03-29 11:32:52
●MXoacenter.jp2015-06-19 → 2026-03-29 · 2 obs
● 2015-06-19 03:14:58
● 2026-03-29 11:32:52
●A210.224.185.1812015-06-19 → 2026-03-29 · 2 obs
● 2015-06-19 03:14:58
● 2026-03-29 11:32:52
●A2403:3a00:201:19:210:224:185:1812026-03-27 → 2026-03-29 · 3 obs
○ 2015-06-19 03:14:58
● 2026-03-27 11:09:48
● 2026-03-29 11:32:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
oacenter.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oacenter.jp (unsigned zone)

⏱️ Timing

Total: 701ms | Queries: -

📄 Records

TypeCountSample Data
A1210.224.185.181
AAAA12403:3a00:201:19:210:224:185:181
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1oacenter.jp (pri: 10)
TXT2v=spf1 a:www2541.sakura.ne.jp mx ~all, MS=DD969686049F6290607D461702B48922F53B5
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

oacenter.jp serves as the mail server for oacenter.jp.

IP Addresses

The entity oacenter.jp points to two IP numbers: 2403:3a00:201:19:210:224:185:181 and 210.224.185.181.

For instance, other host names ant-kouken.jp, tonesphere.com, bh-i.net, www2541.sakura.ne.jp and grace-land.net share IP numbers with oacenter.jp.

Name Servers

The delegation for oacenter.jp is handled by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

oacenter.jp shares name servers with other domains at least partially, for example y-niiyaman.com, a-i-t.net, octd.net, jupiter.ne.jp and town-rpnishiarai.com.

These name servers are commonly used with dns.sakura.ad.jp.

Host names with a single IP address: master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

oacenter.jp is handled by a single mail server, oacenter.jp.

oacenter.jp resolves to two IPs: 2403:3a00:201:19:210:224:185:181 and 210.224.185.181.