dev-system.work - robtex.com
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 | ||||||
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | dns0.heteml.jphostmaster@dev-system.work serial=1791167538 | ||||||
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=1791167503 | ||||||
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 → 2026-10-05 · 2 obs
● 2026-10-05 02:37:54
●A157.7.44.1772026-09-28 → 2026-10-05 · 2 obs
● 2026-10-05 02:37:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | b.nic.work, x.nic.work, z.nic.work, c.nic.work... | 12 records |
| dev-system.work | dns0.heteml.jp, dns1.heteml.jp | - |
✅ Authoritative Response
Server:157.7.188.149
NS records: dns0.heteml.jp, dns1.heteml.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dev-system.work (unsigned zone)
⏱️ Timing
Total: 2640ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.44.177 |
| NS | 2 | dns0.heteml.jp, dns1.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 |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (b.nic.work, b.nic.work, x.nic.work...)
Analysis
IP Addresses
dev-system.work resolves to just one IP address, 157.7.44.177.
Two other host names, along with numpre7.com, haya(0x73686974)ei.com and kakinotane.jp, also share IP numbers with dev-system.work.
Name Servers
Two name servers handle the delegation for dev-system.work: dns0.heteml.jp and dns1.heteml.jp.
dev-system.work shares its NS records with other domains, for example treybig.xyz, preco.co.jp, hpo-os.com and two others.
Each of dns0.heteml.jp and dns1.heteml.jp has one IP address: dns0.heteml.jp uses 157.7.44.53 and dns1.heteml.jp uses 157.7.188.149.
Mail Servers
The sole mail server for dev-system.work is mx.hetemail.jp.
Among the domains sharing a mail server setup with dev-system.work are showa-d-dousou.jp, towa-clinic.jp, kandanaikaiin.com and two others.
mx.hetemail.jp carries a single IP number, which is 157.7.189.1.