openskill.co.jp - robtex.com
openskill.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.229.82🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | www.gmoserver.jp | ||||||
| NS | dns01.gmoserver.jp ⭐ | ||||||
| A | 157.7.33.81🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | dns01.gmoserver.jp | ||||||
| NS | dns02.gmoserver.jp | ||||||
| A | 157.7.34.81🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | dns02.gmoserver.jp | ||||||
| MX | mx.openskill.co.jp ⭐ | ||||||
| A | 160.251.229.94🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx-08.gmoserver.jp | ||||||
| TXT | v=spf1 include:spf.gmoserver.jp ~all | ||||||
| SOA | dns01.gmoserver.jphostmaster@openskill.co.jp 2016-07-29 #2 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Subdomains
mx.openskill.co.jp |
Same first word
openskill.lu |
openskill.co.jp |
Similar names
DNS History
5 records (4 active, 1 former)
●NSdns01.gmoserver.jp2015-08-15 → 2026-03-28 · 2 obs
● 2026-03-28 18:28:12
●NSdns02.gmoserver.jp2015-08-15 → 2026-03-28 · 2 obs
● 2026-03-28 18:28:12
●MXmx.openskill.co.jp2015-08-15 → 2026-03-28 · 2 obs
● 2026-03-28 18:28:12
○A157.7.144.52015-08-15 → 2017-03-29 · 4 obs
● 2017-03-29 16:41:22
○ 2026-03-28 05:10:44
○ 2026-03-28 18:28:12
●A160.251.229.822026-03-28 → 2026-03-28 · 3 obs
● 2026-03-28 05:10:44
● 2026-03-28 18:28:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| openskill.co.jp | dns02.gmoserver.jp, dns01.gmoserver.jp | - |
✅ Authoritative Response
Server:157.7.34.81
NS records: dns02.gmoserver.jp, dns01.gmoserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openskill.co.jp (unsigned zone)
⏱️ Timing
Total: 1394ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.229.82 |
| NS | 2 | dns01.gmoserver.jp, dns02.gmoserver.jp |
| MX | 1 | mx.openskill.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf.gmoserver.jp ~all |
| SOA | 1 | dns01.gmoserver.jp hostmaster.openskill. |
Analysis
Hierarchy
The parent of mx.openskill.co.jp is openskill.co.jp.
IP Addresses
openskill.co.jp points to an IP address: 160.251.229.82.
other host names include stylekyoto.com, brilliance06.com, yosemiya.jp, barbamboo.info and kaileohula.com; they share IP numbers with openskill.co.jp.
Name Servers
Two name servers dns01.gmoserver.jp and dns02.gmoserver.jp handle the delegation for openskill.co.jp.
openskill.co.jp shares the same name server setup as other domains, for instance jinba.jp, studies.co.jp, chottomi.jp, owmya.com and daishinkako.com.
Host names with one IP:
dns01.gmoserver.jp points to: 157.7.33.81
dns02.gmoserver.jp points to: 157.7.34.81
Mail Servers
openskill.co.jp is handled by a single mail server, mx.openskill.co.jp.
The host name mx.openskill.co.jp points to IP 160.251.229.94.