seasu.co.jp - robtex.com
seasu.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.43.194.228🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | seasu.co.jp | ||||||
| NS | mwns1.customer.ne.jp ⭐ | ||||||
| A | 210.150.23.210🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE | ||||||
| NS | mwns2.customer.ne.jp | ||||||
| A | 202.17.152.183🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE | ||||||
| MX | seasu.co.jp ⭐ | ||||||
| A | 60.43.194.228🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | seasu.co.jp | ||||||
| TXT | v=spf1 a include:_spf.bizmw.com ~all | ||||||
| SOA | mwns1.customer.ne.jphost-plan-ac@ntt.com serial=1614134771 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
PTR for
MX for
seasu.co.jp |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSmwns1.customer.ne.jp2026-05-06 → 2026-05-11 · 3 obs
● 2026-05-06 12:05:18
● 2026-05-11 21:01:18
●NSmwns2.customer.ne.jp2026-05-06 → 2026-05-11 · 3 obs
● 2026-05-06 12:05:18
● 2026-05-11 21:01:18
○NSns-219.dns.jp-e1.cloudn-service.com2016-01-14 → 2017-05-15 · 5 obs
● 2016-01-14 23:28:46
● 2017-05-15 16:51:30
○ 2026-05-06 12:05:18
○ 2026-05-11 21:01:18
○NSns-220.dns.jp-w1.cloudn-service.com2016-01-14 → 2017-05-15 · 5 obs
● 2016-01-14 23:28:46
● 2017-05-15 16:51:30
○ 2026-05-06 12:05:18
○ 2026-05-11 21:01:18
○NSns-221.dns.us-e1.cloudn-service.com2016-01-14 → 2017-05-15 · 5 obs
● 2016-01-14 23:28:46
● 2017-05-15 16:51:30
○ 2026-05-06 12:05:18
○ 2026-05-11 21:01:18
○NSns1.secure.net2015-06-18 → 2015-11-01 · 4 obs
● 2015-11-01 18:17:00
○ 2016-01-14 23:28:46
○ 2026-05-11 21:01:18
○NSns2.secure.net2015-06-18 → 2015-11-01 · 4 obs
● 2015-11-01 18:17:00
○ 2016-01-14 23:28:46
○ 2026-05-11 21:01:18
●MXseasu.co.jp2015-06-18 → 2026-05-11 · 2 obs
● 2026-05-11 21:01:18
●A60.43.194.2282026-05-06 → 2026-05-11 · 3 obs
● 2026-05-06 12:05:18
● 2026-05-11 21:01:18
○A61.112.25.552015-06-18 → 2017-05-15 · 4 obs
● 2017-05-15 16:51:30
○ 2026-05-06 12:05:18
○ 2026-05-11 21:01:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| seasu.co.jp | mwns1.customer.ne.jp, mwns2.customer.ne.jp | - |
✅ Authoritative Response
Server:202.17.152.183
NS records: mwns1.customer.ne.jp, mwns2.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for seasu.co.jp (unsigned zone)
⏱️ Timing
Total: 5457ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.43.194.228 |
| NS | 2 | mwns1.customer.ne.jp, mwns2.customer.ne.jp |
| MX | 1 | seasu.co.jp (pri: 10) |
| TXT | 1 | v=spf1 a include:_spf.bizmw.com ~all |
| SOA | 1 | mwns1.customer.ne.jp host-plan-ac.ntt.co |
Analysis
Mail Server Role
seasu.co.jp serves as the mail server for seasu.co.jp.
IP Addresses
seasu.co.jp points to a single IP number: 60.43.194.228.
Name Servers
seasu.co.jp is delegated to two name servers: mwns1.customer.ne.jp and mwns2.customer.ne.jp.
seasu.co.jp uses the same name server setup as other domains, for instance ep-kagoshima.or.jp, u-one.net, tn-ats.co.jp, keishin-k.jp and lemondefujigaya.com.
Host names with one IP number:
mwns1.customer.ne.jp points to: 210.150.23.210.
mwns2.customer.ne.jp points to: 202.17.152.183.
Mail Servers
A single mail server handles seasu.co.jp and seasu.co.jp.
Host name seasu.co.jp resolves to IP 60.43.194.228.