skms.jp - robtex.com
skms.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dns21.jp ⭐ | ||||||
| A | 203.152.205.99🇯🇵 InfoSphere203.152.192.0/19 INTERLINK | ||||||
| PTR | 203.152.205.99.static.zoot.jp | ||||||
| NS | ns2.dns21.jp | ||||||
| A | 153.120.7.153🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-206-76899.vs.sakura.ne.jp | ||||||
| MX | mwpremgw1.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.225🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| MX | mwpremgw2.ocn.ad.jp ⭐ | ||||||
| A | 210.145.253.226🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| SOA | ns1.dns21.jppostmaster@fig.co.jp 2024-12-26 #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=1785573003 | ||||||
Subdomains
mail2.skms.jp |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSns1.dns21.jp2026-06-24 → 2026-08-01 · 3 obs
● 2026-06-24 04:00:06
● 2026-08-01 08:37:12
○NSns1.ecsv.jp2015-05-30 → 2017-06-03 · 4 obs
● 2017-06-03 12:38:04
○ 2026-06-24 04:00:06
○ 2026-08-01 08:37:12
●NSns2.dns21.jp2026-06-24 → 2026-08-01 · 3 obs
● 2026-06-24 04:00:06
● 2026-08-01 08:37:12
○NSns2.ecsv.jp2015-05-30 → 2017-06-03 · 4 obs
● 2017-06-03 12:38:04
○ 2026-06-24 04:00:06
○ 2026-08-01 08:37:12
○MXmail2.skms.jp2015-05-30 → 2017-06-03 · 4 obs
● 2017-06-03 12:38:04
○ 2026-06-24 04:00:06
○ 2026-08-01 08:37:12
●MXmwpremgw1.ocn.ad.jp2026-06-24 → 2026-08-01 · 3 obs
● 2026-06-24 04:00:06
● 2026-08-01 08:37:12
●MXmwpremgw2.ocn.ad.jp2026-06-24 → 2026-08-01 · 3 obs
● 2026-06-24 04:00:06
● 2026-08-01 08:37:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| skms.jp | ns1.dns21.jp, ns2.dns21.jp | 2 records |
✅ Authoritative Response
Server:203.152.205.99
NS records: ns1.dns21.jp, ns2.dns21.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for skms.jp (unsigned zone)
⏱️ Timing
Total: 1056ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.dns21.jp, ns1.dns21.jp |
| MX | 2 | mwpremgw1.ocn.ad.jp (pri: 10), mwpremgw2.ocn.ad.jp (pri: 10) |
| SOA | 1 | ns1.dns21.jp postmaster.fig.co.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns21.jp, ns2.dns21.jp)
Analysis
Hierarchy
skms.jp serves as the parent of mail2.skms.jp.
Name Servers
skms.jp is delegated to two name servers: ns1.dns21.jp and ns2.dns21.jp.
skms.jp has the same name server delegation as a number of other domains, such as chugaikisyo.co.jp, toumei-corp.com, asf.ne.jp and two more.
skms.jp has a partial name server overlap with other domains — among them 03office.com and dns21.jp.
It is common to find these name servers paired with the name servers 2nd.dnsv.jp.
ns1.dns21.jp directs to 203.152.205.99 and ns2.dns21.jp directs to 153.120.7.153; each host name points to exactly one IP number.
Mail Servers
The MX records for skms.jp point to two mail servers: mwpremgw1.ocn.ad.jp and mwpremgw2.ocn.ad.jp.
skms.jp has the same mail server arrangement as a number of other domains, for example rise-i.co.jp, c154bfze.mwprem.net, lab-micron.co.jp and two more.
The mail servers of skms.jp are at least partially shared with other domains, including shiftmax.net.
mwpremgw1.ocn.ad.jp directs to 210.145.253.225 and mwpremgw2.ocn.ad.jp directs to 210.145.253.226; each host name points to exactly one IP number.