yy-j.net - robtex.com
yy-j.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.37.113.20🇯🇵 ESU2103.37.112.0/22 esu2 Corporation | ||||||
| PTR | 103-37-113-20.static.dg-ipas.net | ||||||
| NS | ns1.zen-sv.com ⭐ | ||||||
| A | 18.180.7.78🇯🇵 Amazon18.180.0.0/15 EC2 NRT prefix | ||||||
| PTR | ec2-18-180-7-78.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns2.zen-sv.com | ||||||
| A | 54.95.249.97🇯🇵 Amazon54.95.128.0/17 EC2 NRT prefix | ||||||
| PTR | ec2-54-95-249-97.ap-northeast-1.compute.amazonaws.com | ||||||
| NS | ns3.zen-sv.com | ||||||
| A | 133.125.54.45🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ik1-445-54541.vs.sakura.ne.jp | ||||||
| MX | mail.yy-j.net ⭐ | ||||||
| A | 103.37.113.20🇯🇵 ESU2103.37.112.0/22 esu2 Corporation | ||||||
| PTR | 103-37-113-20.static.dg-ipas.net | ||||||
| TXT | v=spf1 mx +a:sv.yy-j.net ~all | ||||||
| SOA | ns1.zen-sv.comsvinfo@zen-sv.com 2021-05-28 #1 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1777129141 | ||||||
Previously MX for
yy-j.net |
Subdomains
Same first word
yy-j.net |
Similar names
DNS History
11 records (5 active, 6 former)
○NSns1.creative-japan.org2007-10-18 → 2007-10-18 · 3 obs
○ 2015-07-21 00:18:42
○ 2026-04-25 15:16:44
●NSns1.zen-sv.com2015-07-21 → 2026-04-25 · 3 obs
● 2015-07-21 00:18:42
● 2026-04-25 15:16:44
○NSns2.creative-japan.org2007-10-18 → 2007-10-18 · 3 obs
○ 2015-07-21 00:18:42
○ 2026-04-25 15:16:44
●NSns2.zen-sv.com2015-07-21 → 2026-04-25 · 3 obs
● 2015-07-21 00:18:42
● 2026-04-25 15:16:44
●NSns3.zen-sv.com2015-07-21 → 2026-04-25 · 3 obs
● 2015-07-21 00:18:42
● 2026-04-25 15:16:44
●MXmail.yy-j.net2015-07-21 → 2026-04-25 · 3 obs
● 2015-07-21 00:18:42
● 2026-04-25 15:16:44
○MXyy-j.net2007-10-18 → 2007-10-18 · 3 obs
○ 2015-07-21 00:18:42
○ 2026-04-25 15:16:44
○A103.21.103.122015-07-21 → 2016-07-06 · 5 obs
● 2015-07-21 00:18:42
● 2016-07-06 17:23:14
○ 2016-09-05 03:03:28
○ 2026-04-25 15:16:44
●A103.37.113.202026-03-07 → 2026-04-25 · 3 obs
● 2026-03-07 22:22:00
● 2026-04-25 15:16:44
○A103.55.13.442016-09-05 → 2018-09-02 · 5 obs
● 2016-09-05 03:03:28
● 2018-09-02 15:21:36
○ 2026-03-07 22:22:00
○ 2026-04-25 15:16:44
○A124.40.3.752007-10-18 → 2007-10-18 · 3 obs
○ 2015-07-21 00:18:42
○ 2026-04-25 15:16:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | d.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net... | - |
| yy-j.net | ns1.zen-sv.com, ns2.zen-sv.com, ns3.zen-sv.com | - |
✅ Authoritative Response
Server:54.95.249.97
NS records: ns1.zen-sv.com, ns2.zen-sv.com, ns3.zen-sv.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yy-j.net (unsigned zone)
⏱️ Timing
Total: 1009ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.37.113.20 |
| NS | 3 | ns3.zen-sv.com, ns2.zen-sv.com... |
| MX | 1 | mail.yy-j.net (pri: 10) |
| TXT | 1 | v=spf1 mx +a:sv.yy-j.net ~all |
| SOA | 1 | ns1.zen-sv.com svinfo.zen-sv.com |
Analysis
Hierarchy
yy-j.net is a parent of mail.yy-j.net and sv.yy-j.net.
IP Addresses
yy-j.net points to IP number 103.37.113.20.
Other host names for example mail.yy-j.net, 103-37-113-20.static.dg-ipas.net and sv.yy-j.net share IP numbers with yy-j.net.
Name Servers
The delegation for yy-j.net is handled by three name servers: ns1.zen-sv.com, ns2.zen-sv.com and ns3.zen-sv.com.
yy-j.net shares name servers with other domains at least partially, for example npo-hiroba.or.jp, pile.company, prior-parts.com, kahoku-jibika.jp and hirakawa-r.com.
Host names with a single IP address: ns1.zen-sv.com points to 18.180.7.78; ns2.zen-sv.com points to 54.95.249.97; ns3.zen-sv.com points to 133.125.54.45.
Mail Servers
yy-j.net is handled by a single mail server, mail.yy-j.net.
mail.yy-j.net points to a single IP: 103.37.113.20.