cseas.org - robtex.com
cseas.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.174.137🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www707b.sakura.ne.jp | ||||||
| NS | cseas.org ⭐ | ||||||
| A | 219.94.174.137🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www707b.sakura.ne.jp | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | mx01.muumuu-mail.com ⭐ | ||||||
| A | 163.44.185.158🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| TXT | v=spf1 include:_spf.muumuu-mail.com include:_spf.google.com ~all | ||||||
| SOA | cseas.orgpostmaster@cseas.org serial=1739950084 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1786192061 | ||||||
NS for
cseas.org |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NScseas.org2017-03-20 → 2026-08-08 · 3 obs
● 2017-03-20 22:01:36
● 2026-08-08 12:57:34
●NSdns01.muumuu-domain.com2017-03-20 → 2026-08-08 · 3 obs
● 2017-03-20 22:01:36
● 2026-08-08 12:57:34
●NSdns02.muumuu-domain.com2017-03-20 → 2026-08-08 · 3 obs
● 2017-03-20 22:01:36
● 2026-08-08 12:57:34
○NSns4.cpi.ad.jp2015-07-23 → 2016-07-08 · 4 obs
● 2016-07-08 20:57:08
○ 2017-03-20 22:01:36
○ 2026-08-08 12:57:34
○NSns5.cpi.ad.jp2015-07-23 → 2016-07-08 · 4 obs
● 2016-07-08 20:57:08
○ 2017-03-20 22:01:36
○ 2026-08-08 12:57:34
●MXmx01.muumuu-mail.com2026-06-23 → 2026-08-08 · 3 obs
● 2026-06-23 05:00:50
● 2026-08-08 12:57:34
○MXportal.cseas.kyoto-u.ac.jp2015-07-23 → 2016-07-08 · 4 obs
● 2016-07-08 20:57:08
○ 2017-03-20 22:01:36
○ 2026-08-08 12:57:34
○A130.54.102.12015-07-23 → 2016-07-08 · 4 obs
● 2016-07-08 20:57:08
○ 2017-03-20 22:01:36
○ 2026-08-08 12:57:34
○A133.3.251.1712017-03-20 → 2017-03-20 · 4 obs
● 2017-03-20 22:01:36
○ 2026-06-23 05:00:50
○ 2026-08-08 12:57:34
●A219.94.174.1372026-06-23 → 2026-08-08 · 3 obs
● 2026-06-23 05:00:50
● 2026-08-08 12:57:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| cseas.org | dns02.muumuu-domain.com, dns01.muumuu-domain.com | - |
✅ Authoritative Response
Server:160.251.249.62
NS records: dns02.muumuu-domain.com, dns01.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cseas.org (unsigned zone)
⏱️ Timing
Total: 944ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.174.137 |
| NS | 2 | dns01.muumuu-domain.com, dns02.muumuu-domain.com |
| MX | 1 | mx01.muumuu-mail.com (pri: 50) |
| TXT | 1 | v=spf1 include:_spf.muumuu-mail.com incl |
| SOA | 1 | cseas.org postmaster.cseas.org |
Analysis
Name Server Role
The NS records for cseas.org point back to cseas.org itself.
dns02.muumuu-domain.com, dns01.muumuu-domain.com and cseas.org regularly act as name servers together.
IP Addresses
cseas.org resolves to just one IP address, 219.94.174.137.
Two other host names, along with fujifudousan.net, cpp-japan.org and aj-c.sakura.ne.jp, also share IP numbers with cseas.org.
Name Servers
cseas.org has three authoritative name servers: cseas.org, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
cseas.org partially shares its NS delegation with several other domains, including kounan-shika.com, darahabeats.com, maruetsu-character-cp.com and two others.
cseas.org, dns01.muumuu-domain.com and dns02.muumuu-domain.com all have one IP address each — cseas.org directs to 219.94.174.137, dns01.muumuu-domain.com directs to 202.239.23.39 and dns02.muumuu-domain.com directs to 160.251.249.62.
Mail Servers
The sole mail server for cseas.org is mx01.muumuu-mail.com.
Among the domains sharing a mail server setup with cseas.org are oa-station.jp, freedomfuk.com, akeiro.com and two others.
cseas.org partially shares its mail servers with other domains, eriaji.com and woo-design.net being examples.
mx01.muumuu-mail.com has exactly one IP number: 163.44.185.158.