ymm21.jp - robtex.com
ymm21.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.43.103.201🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| PTR | sv11060.xbiz.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 | mail.ymm21.jp ⭐ | ||||||
| A | 162.43.103.201🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc. | ||||||
| PTR | sv11060.xbiz.ne.jp | ||||||
| TXT | v=spf1 include:spf.yokohama-tvkcoms.com ~all | ||||||
| SOA | dns01.muumuu-domain.compostmaster@ymm21.jp serial=1731337993 | ||||||
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=1775999703 | ||||||
Subdomains
Same first word
ymm21.jp |
DNS History
7 records (4 active, 3 former)
●NSdns01.muumuu-domain.com2026-03-13 → 2026-04-12 · 3 obs
● 2026-03-13 20:41:58
● 2026-04-12 13:55:42
●NSdns02.muumuu-domain.com2026-03-13 → 2026-04-12 · 3 obs
● 2026-03-13 20:41:58
● 2026-04-12 13:55:42
○NSns1.jpdns.jp2015-08-11 → 2017-04-19 · 4 obs
● 2017-04-19 23:42:14
○ 2026-03-13 20:41:58
○ 2026-04-12 13:55:42
○NSns2.jpdns.jp2015-08-11 → 2017-04-19 · 4 obs
● 2017-04-19 23:42:14
○ 2026-03-13 20:41:58
○ 2026-04-12 13:55:42
●MXmail.ymm21.jp2015-08-11 → 2026-04-12 · 2 obs
● 2026-04-12 13:55:42
●A162.43.103.2012026-03-13 → 2026-04-12 · 3 obs
● 2026-03-13 20:41:58
● 2026-04-12 13:55:42
○A219.109.136.1442015-08-11 → 2017-04-19 · 4 obs
● 2017-04-19 23:42:14
○ 2026-03-13 20:41:58
○ 2026-04-12 13:55:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| ymm21.jp | dns01.muumuu-domain.com, dns02.muumuu-domain.com | - |
✅ Authoritative Response
Server:160.251.249.62
NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ymm21.jp (unsigned zone)
⏱️ Timing
Total: 1539ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.103.201 |
| NS | 2 | dns01.muumuu-domain.com, dns02.muumuu-domain.com |
| MX | 1 | mail.ymm21.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf.yokohama-tvkcoms.com |
| SOA | 1 | dns01.muumuu-domain.com postmaster.ymm21 |
Analysis
Hierarchy
ymm21.jp is parent of mail.ymm21.jp and www.ymm21.jp.
IP Addresses
ymm21.jp points to a single IP: 162.43.103.201.
Other host names, for instance www.tvk-coms.co.jp, www.ymm21.jp, mail.ymm21.jp, tvk-coms.co.jp and www.tvk-ticket.jp share IP numbers with ymm21.jp.
Name Servers
ymm21.jp's delegation is to two name servers dns01.muumuu-domain.com and dns02.muumuu-domain.com.
ymm21.jp shares the same name server configuration as other domains, such as takanenonadeshiko.jp, xn--hdks151yx96c.com, cortiton.com, annemise.com and adabatik.com.
ymm21.jp at least partially shares its name servers with other domains, for instance rinsihoj.com, fsv.design, bannara.com, tenyobi.com and hibee.net.
Host names with a single IP:
dns01.muumuu-domain.com resolves to 202.239.23.39.
dns02.muumuu-domain.com resolves to 160.251.249.62.
Mail Servers
ymm21.jp is served by a single mail server, mail.ymm21.jp.
mail.ymm21.jp points to IP number 162.43.103.201.