dolphin-blue.jp - robtex.com
dolphin-blue.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1776154502 | ||||||
Same first word
dolphin-blue.jp |
dolphin-blue.de |
Similar names
DNS History
8 records (3 active, 5 former)
●NSasns1.customer.ne.jp2026-03-24 → 2026-04-14 · 3 obs
● 2026-03-24 22:45:06
● 2026-04-14 08:23:42
●NSasns2.customer.ne.jp2026-03-24 → 2026-04-14 · 3 obs
● 2026-03-24 22:45:06
● 2026-04-14 08:23:42
○NSns1.dolphin-blue.jp2015-07-21 → 2019-03-30 · 4 obs
● 2019-03-30 19:18:14
○ 2026-03-24 22:45:06
○ 2026-04-14 08:23:42
○NSns2.sphere.ad.jp2015-07-21 → 2019-03-30 · 4 obs
● 2019-03-30 19:18:14
○ 2026-03-24 22:45:06
○ 2026-04-14 08:23:42
●MXdolphinblue-jp01i.mail.protection.outlook.com2019-03-30 → 2026-04-14 · 3 obs
● 2019-03-30 19:18:14
● 2026-04-14 08:23:42
○MXmail.dolphin-blue.jp2015-07-21 → 2017-03-17 · 4 obs
● 2017-03-17 02:16:44
○ 2019-03-30 19:18:14
○ 2026-04-14 08:23:42
○A202.224.201.182015-07-21 → 2015-07-21 · 3 obs
○ 2015-11-30 02:20:58
○ 2026-04-14 08:23:42
○A210.136.177.2182015-11-30 → 2019-03-30 · 5 obs
● 2015-11-30 02:20:58
● 2019-03-30 19:18:14
○ 2026-03-24 22:45:06
○ 2026-04-14 08:23:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, h.dns.jp, g.dns.jp, b.dns.jp... | - |
| dolphin-blue.jp | asns1.customer.ne.jp, asns2.customer.ne.jp | - |
✅ Authoritative Response
Server:210.150.254.86
NS records: asns1.customer.ne.jp, asns2.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dolphin-blue.jp (unsigned zone)
⏱️ Timing
Total: 1666ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | asns2.customer.ne.jp, asns1.customer.ne.jp |
| MX | 1 | dolphinblue-jp01i.mail.protection.outloo |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | asns1.customer.ne.jp admin.dolphin-blue. |
Analysis
Name Servers
Two name servers asns1.customer.ne.jp and asns2.customer.ne.jp handle the delegation for dolphin-blue.jp.
dolphin-blue.jp shares the same name server setup as other domains, for example utdi.co.jp, baem.jp, afm-sips.com, v0500-137.mailsecure.jp and v1000-040.mailsecure.jp.
dolphin-blue.jp shares name servers with other domains to some extent, including nagoyaka-link.co.jp, jaifa-learning.com, sokai.jp and artra-store.com.
Host names with one IP number:
asns1.customer.ne.jp points to 210.150.254.86; asns2.customer.ne.jp points to 210.150.254.94.
Mail Servers
The dolphinblue-jp01i.mail.protection.outlook.com mail server handles dolphin-blue.jp.
dolphinblue-jp01i.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::, 2a01:111:f403:cc24::, 52.101.124.0, 52.101.124.1, 52.101.124.6 and 52.101.157.10.