ymwk.ed.jp - robtex.com
ymwk.ed.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 111.89.140.225🇯🇵 InfoSphere111.89.0.0/16 INFOSPHERE | ||||||
| PTR | ymwk.ed.jp | ||||||
| NS | asns1.customer.ne.jp ⭐ | ||||||
| A | 210.150.254.86🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE | ||||||
| PTR | asns1.customer.ne.jp | ||||||
| NS | asns2.customer.ne.jp | ||||||
| A | 210.150.254.94🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE | ||||||
| PTR | asns2.customer.ne.jp | ||||||
| MX | ymwk.ed.jp ⭐ | ||||||
| A | 111.89.140.225🇯🇵 InfoSphere111.89.0.0/16 INFOSPHERE | ||||||
| PTR | ymwk.ed.jp | ||||||
| TXT | MS=ms99996425 | ||||||
| TXT | apple-domain-verification=8oUk0e3evEf1BzNT | ||||||
| TXT | v=spf1 include:fmx.etius.jp include:_spf.activegate-ss.jp include:digital-kno... | ||||||
| SOA | asns1.customer.ne.jptakiguchi@ymwk.ed.jp serial=1634962144 | ||||||
ed.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ed.jp. | ||||||
MX for
ymwk.ed.jp |
Same first word
Similar names
kwym.cn |
ywmk.cn |
mwky.com.cn |
mykw.dk |
mykw.nl |
mykw.es |
ymkw.com |
kymw.com |
mkwy.com |
mykw.com.my |
mykw.org |
mykw.com |
ymkw.info |
mywk.cn |
kmyw.com.cn |
wkym.com |
mywk.com |
wykm.cn |
wkym.cc |
wmky.org |
ymkw.net |
ykmw.com.my |
wkmy.cn |
DNS History
6 records (4 active, 2 former)
●NSasns1.customer.ne.jp2026-04-12 → 2026-05-11 · 3 obs
● 2026-04-12 20:07:14
● 2026-05-11 14:57:22
●NSasns2.customer.ne.jp2026-04-12 → 2026-05-11 · 3 obs
● 2026-04-12 20:07:14
● 2026-05-11 14:57:22
○NSns3.sphere.ad.jp2015-07-11 → 2018-08-31 · 4 obs
● 2018-08-31 00:39:48
○ 2026-04-12 20:07:14
○ 2026-05-11 14:57:22
○NSns4.sphere.ad.jp2015-07-11 → 2018-08-31 · 4 obs
● 2018-08-31 00:39:48
○ 2026-04-12 20:07:14
○ 2026-05-11 14:57:22
●MXymwk.ed.jp2015-07-11 → 2026-05-11 · 2 obs
● 2026-05-11 14:57:22
●A111.89.140.2252015-07-11 → 2026-05-11 · 2 obs
● 2026-05-11 14:57:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | g.dns.jp, h.dns.jp, a.dns.jp, d.dns.jp... | - |
| ymwk.ed.jp | asns1.customer.ne.jp, asns2.customer.ne.jp | - |
✅ Authoritative Response
Server:210.150.254.94
NS records: asns1.customer.ne.jp, asns2.customer.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ymwk.ed.jp (unsigned zone)
⏱️ Timing
Total: 1506ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 111.89.140.225 |
| NS | 2 | asns2.customer.ne.jp, asns1.customer.ne.jp |
| MX | 1 | ymwk.ed.jp (pri: 10) |
| TXT | 3 | MS=ms99996425, v=spf1 include:fmx.etius.jp include:_spf... |
| SOA | 1 | asns1.customer.ne.jp takiguchi.ymwk.ed.j |
Analysis
Mail Server Role
ymwk.ed.jp serves as the mail server for ymwk.ed.jp.
IP Addresses
ymwk.ed.jp points to IP number: 111.89.140.225.
Name Servers
ymwk.ed.jp is delegated to two name servers: asns1.customer.ne.jp and asns2.customer.ne.jp.
ymwk.ed.jp shares the same name server setup as v0400-013.mailsecure.jp, v1600-022.mailsecure.jp, cre-token.com, rips.or.jp and v0300-0129.mail.arena.ne.jp.
Host names with a single IP:
asns1.customer.ne.jp points to 210.150.254.86.
asns2.customer.ne.jp points to 210.150.254.94.
Mail Servers
ymwk.ed.jp is handled by a single mail server, ymwk.ed.jp.
ymwk.ed.jp points to a single IP: 111.89.140.225.