sky-21.com - robtex.com
sky-21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 118.27.122.21🇯🇵 GMO-INTERNET118.27.122.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | www191.conoha.ne.jp | ||||||
| NS | ns-a1.conoha.io ⭐ | ||||||
| A | 2400:8500:3000::88🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | ns-a1.cnode.io | ||||||
| A | 157.7.33.88🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | ns-a1.cnode.io | ||||||
| NS | ns-a2.conoha.io | ||||||
| A | 2404:8680:1101:310::53🇹🇭 GMO-ZCOM-AS-TH2404:8680:1101::/48 GMO-Z com NetDesign Holdings Co., Ltd. 246 Times Square Building 10th Fl., Room 10/04, Sukhumvit 12-14 Rd., Klongtoey Klongtoey, Bangkok 10110 | ||||||
| A | 150.95.23.148🇹🇭 GMO-ZCOM-AS-TH150.95.20.0/22 GMO-Z com NetDesign Holdings Co., Ltd. 246 Times Square Building 10th Fl., Room 10/04, Sukhumvit 12-14 Rd., Klongtoey Klongtoey, Bangkok 10110 | ||||||
| PTR | v150-95-23-148.a001.m.bkk1.static.cnode.io | ||||||
| NS | ns-a3.conoha.io | ||||||
| A | 2404:f080:1101:310::53🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi | ||||||
| A | 150.95.19.148🇻🇳 GMO-ZCOM-AS-VN150.95.16.0/22 RUNSYSTEM-VN | ||||||
| PTR | v150-95-19-148.a001.m.han1.static.cnode.io | ||||||
| MX | mx2.conoha.ne.jp ⭐ | ||||||
| TXT | v=spf1 include:_spf.conoha.ne.jp ~all | ||||||
| SOA | ns-a1.conoha.iopostmaster@sky-21.com serial=1772733895 | ||||||
com
| 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=1774540547 | ||||||
Subdomains
mail.sky-21.com |
Same first word
sky-21.com |
DNS History
11 records (5 active, 6 former)
○NScloud1.wishhost.net2017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-17 10:44:04
○ 2026-03-26 16:25:38
●NSns-a1.conoha.io2026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 10:44:04
● 2026-03-26 16:25:38
●NSns-a2.conoha.io2026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 10:44:04
● 2026-03-26 16:25:38
●NSns-a3.conoha.io2026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 10:44:04
● 2026-03-26 16:25:38
○NSns1.wishhost.net2017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-17 10:44:04
○ 2026-03-26 16:25:38
○NSns2.wishhost.net2017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-17 10:44:04
○ 2026-03-26 16:25:38
○MXmail.sky-21.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-17 10:44:04
○ 2026-03-26 16:25:38
●MXmx2.conoha.ne.jp2026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 10:44:04
● 2026-03-26 16:25:38
●A118.27.122.212026-03-17 → 2026-03-26 · 3 obs
● 2026-03-17 10:44:04
● 2026-03-26 16:25:38
○A176.9.7.1212017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-17 10:44:04
○ 2026-03-26 16:25:38
○A2a01:4f8:141:5063::12017-09-28 → 2017-09-28 · 3 obs
○ 2026-03-17 10:44:04
○ 2026-03-26 16:25:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net... | - |
| sky-21.com | ns-a1.conoha.io, ns-a2.conoha.io, ns-a3.conoha.io | - |
✅ Authoritative Response
Server:157.7.33.88
NS records: ns-a1.conoha.io, ns-a2.conoha.io, ns-a3.conoha.io
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sky-21.com (unsigned zone)
⏱️ Timing
Total: 1271ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 118.27.122.21 |
| NS | 3 | ns-a1.conoha.io, ns-a3.conoha.io... |
| MX | 1 | mx2.conoha.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.conoha.ne.jp ~all |
| SOA | 1 | ns-a1.conoha.io postmaster.sky-21.com |
Analysis
Hierarchy
sky-21.com is the parent of mail.sky-21.com.
IP Addresses
sky-21.com resolves to a single IP address: 118.27.122.21.
Other host names including kotobell.com, www.mo-na2.com, crastyle.estate, bengoshi-sos.com and profit-plus.co.jp share IP numbers with sky-21.com.
Name Servers
sky-21.com is delegated to three name servers: ns-a1.conoha.io, ns-a2.conoha.io and ns-a3.conoha.io.
sky-21.com at least partially shares name servers with other domains, including 38.95.150.in-addr.arpa, 219.183.95.150.in-addr.arpa, recomme.jp, lapisophia.com and uf-info.com.
Host names with two IP numbers:
ns-a1.conoha.io points to: 2400:8500:3000::88 and 157.7.33.88
ns-a2.conoha.io points to: 2404:8680:1101:310::53 and 150.95.23.148
ns-a3.conoha.io points to: 2404:f080:1101:310::53 and 150.95.19.148
Mail Servers
sky-21.com is handled by a single mail server, mx2.conoha.ne.jp.
sky-21.com shares its mail server setup with other domains, including fukushima-k.co.jp, kantan-web.net, gwals.com, mavinice.com and ses-blog.net.
The mail servers for sky-21.com are shared with other domains, for instance shogetsuin-clinic.jp, wataoka.co.jp, pulebe.com, social-lending.online and jipc.co.jp.