eureka.jp - robtex.com
eureka.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.167.8.146🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | www5206.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 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 | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | eureka.jp ⭐ | ||||||
| A | 133.167.8.146🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | www5206.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www5206.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-07-13 #1 | ||||||
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=1773558003 | ||||||
Previously NS for
eureka.jp |
MX for
eureka.jp |
Same first word
Similar names
aueerk.de |
akerue.it |
euerka.com |
aureke.com |
akerue.net |
akerue.es |
ekaeru.jpn.org |
ukeera.com |
ekaeru.com |
ureeka.biz |
akerue.com.ar |
erueka.com |
akerue.com |
DNS History
11 records (5 active, 6 former)
○NSdnss10.so-net.ne.jp2015-08-04 → 2018-04-12 · 4 obs
● 2018-04-12 10:36:28
○ 2026-03-16 10:24:10
○ 2026-03-22 22:19:38
○NSdnss11.so-net.ne.jp2015-08-04 → 2018-04-12 · 4 obs
● 2018-04-12 10:36:28
○ 2026-03-16 10:24:10
○ 2026-03-22 22:19:38
○NSeureka.jp2015-08-04 → 2018-04-12 · 4 obs
● 2018-04-12 10:36:28
○ 2026-03-16 10:24:10
○ 2026-03-22 22:19:38
●NSmaster.dns.ne.jp2026-03-16 → 2026-03-22 · 3 obs
● 2026-03-16 10:24:10
● 2026-03-22 22:19:38
●NSns1.dns.ne.jp2026-03-16 → 2026-03-22 · 3 obs
● 2026-03-16 10:24:10
● 2026-03-22 22:19:38
●NSns2.dns.ne.jp2026-03-16 → 2026-03-22 · 3 obs
● 2026-03-16 10:24:10
● 2026-03-22 22:19:38
●MXeureka.jp2015-08-04 → 2026-03-22 · 5 obs
○ 2015-11-22 22:42:42
○ 2018-04-12 10:36:28
● 2026-03-16 10:24:10
● 2026-03-22 22:19:38
○MXmx.eureka.jp2015-11-22 → 2018-04-12 · 5 obs
● 2015-11-22 22:42:42
● 2018-04-12 10:36:28
○ 2026-03-16 10:24:10
○ 2026-03-22 22:19:38
●A133.167.8.1462026-03-16 → 2026-03-22 · 3 obs
● 2026-03-16 10:24:10
● 2026-03-22 22:19:38
○A204.227.191.1462015-08-04 → 2015-08-04 · 3 obs
○ 2015-11-22 22:42:42
○ 2026-03-22 22:19:38
○A211.13.196.1412015-11-22 → 2018-04-12 · 5 obs
● 2015-11-22 22:42:42
● 2018-04-12 10:36:28
○ 2026-03-16 10:24:10
○ 2026-03-22 22:19:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| eureka.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server: 133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for eureka.jp (unsigned zone)
⏱️ Timing
Total: 918ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.8.146 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | eureka.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www5206.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Mail Server Role
For eureka.jp, the mail server is eureka.jp.
IP Addresses
eureka.jp resolves to one IP number: 133.167.8.146.
other host names including www.mpat.go.jp, renaiss-law.sakura.ne.jp, linkey-lock.com, www5206.sakura.ne.jp and paso-lab.net share IP numbers with eureka.jp.
Name Servers
eureka.jp is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
eureka.jp at least partially shares name servers with other domains, for instance yayoi-yochien.com, witchmail.sakura.ne.jp, yamayatakeshi.jp, senteur.jp and love-peace.jpn.com.
these name servers are commonly used alongside dns.sakura.ad.jp.
Host names with one IP number: 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
eureka.jp is served by a single mail server, eureka.jp.
eureka.jp resolves to IP 133.167.8.146.