dev-system.work - dns.ninja
dev-system.work
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.44.177🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users259.vip.heteml.jp | ||||||
| NS | dns0.heteml.jp ⭐ | ||||||
| A | 157.7.44.53🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | dns510.heteml.jp | ||||||
| NS | dns1.heteml.jp | ||||||
| A | 157.7.188.149🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | dns711.phy.heteml.jp | ||||||
| MX | mx.hetemail.jp ⭐ | ||||||
| A | 157.7.189.1🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx.heteml.jp | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | dns0.heteml.jphostmaster@dev-system.work serial=1792238898 | ||||||
work
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.work ⭐ | ||||||
| NS | b.nic.work | ||||||
| NS | c.nic.work | ||||||
| NS | x.nic.work | ||||||
| NS | y.nic.work | ||||||
| NS | z.nic.work | ||||||
| SOA | a.nic.workadmin@tldns.godaddy serial=1792431007 | ||||||
Same first word
dev-system.one |
dev-system.biz |
dev-system.com |
dev-system.org |
dev-system.jp |
dev-system.work |
dev-system.pl |
dev-system.workers.dev |
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●MXmx.hetemail.jp2026-09-28 → 2026-10-19 · 2 obs
● 2026-10-19 18:09:26
●A157.7.44.1772026-09-28 → 2026-10-19 · 2 obs
● 2026-10-19 18:09:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | b.nic.work, x.nic.work, z.nic.work, c.nic.work... | - |
| dev-system.work | dns1.heteml.jp, dns0.heteml.jp | - |
✅ Authoritative Response
Server:157.7.44.53
NS records: dns1.heteml.jp, dns0.heteml.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dev-system.work (unsigned zone)
⏱️ Timing
Total: 2508ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.177 |
| NS | 2 | dns1.heteml.jp, dns0.heteml.jp |
| MX | 1 | mx.hetemail.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.heteml.jp ~all |
| SOA | 1 | dns0.heteml.jp hostmaster.dev-system.wor |
Analysis
IP Addresses
dev-system.work directs to one IP number, which is 157.7.44.177.
Among the host names that share IP numbers with dev-system.work are numpre7.com, haya(0x73686974)ei.com, kakinotane.jp and two others.
Name Servers
dev-system.work has two authoritative name servers — dns0.heteml.jp and dns1.heteml.jp.
dev-system.work has the same name server delegation as a number of other domains, such as treybig.xyz, preco.co.jp, hpo-os.com and two more.
Both dns0.heteml.jp and dns1.heteml.jp have a single IP address each — dns0.heteml.jp resolves to 157.7.44.53 while dns1.heteml.jp resolves to 157.7.188.149.
Mail Servers
dev-system.work routes its mail through a single mail server, mx.hetemail.jp.
dev-system.work has the same mail server arrangement as a number of other domains, for example showa-d-dousou.jp, towa-clinic.jp, kandanaikaiin.com and two more.
mx.hetemail.jp points to one IP number — 157.7.189.1.