den-corp.com - robtex.com
den-corp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.227.147.81🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | den-corp.com | ||||||
| NS | ns4.mcnet.ad.jp ⭐ | ||||||
| A | 210.172.36.182🇯🇵 MCNET210.172.32.0/19 | ||||||
| NS | ns5.mcnet.ad.jp | ||||||
| A | 210.172.36.198🇯🇵 MCNET210.172.32.0/19 | ||||||
| MX | mail.den-corp.com ⭐ | ||||||
| A | 140.227.147.81🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE | ||||||
| PTR | den-corp.com | ||||||
| TXT | v=spf1 include:den-corp.com.spf.hosting-pf.net ~all | ||||||
| SOA | ns4.mcnet.ad.jppostmaster@mcnet.ad.jp 2021-10-01 #0 | ||||||
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=1776093567 | ||||||
PTR for
Previously MX for
den-corp.com |
Subdomains
mail.den-corp.com |
Same first word
den-corp.com |
Similar names
DNS History
8 records (4 active, 4 former)
○NSns3.sphere.ad.jp2007-11-13 → 2017-02-19 · 4 obs
● 2017-02-19 09:34:34
○ 2026-03-15 21:04:56
○ 2026-04-13 15:31:16
●NSns4.mcnet.ad.jp2026-03-15 → 2026-04-13 · 3 obs
● 2026-03-15 21:04:56
● 2026-04-13 15:31:16
○NSns4.sphere.ad.jp2007-11-13 → 2017-02-19 · 4 obs
● 2017-02-19 09:34:34
○ 2026-03-15 21:04:56
○ 2026-04-13 15:31:16
●NSns5.mcnet.ad.jp2026-03-15 → 2026-04-13 · 3 obs
● 2026-03-15 21:04:56
● 2026-04-13 15:31:16
○MXden-corp.com2007-11-13 → 2017-02-19 · 4 obs
● 2017-02-19 09:34:34
○ 2026-03-15 21:04:56
○ 2026-04-13 15:31:16
●MXmail.den-corp.com2026-03-15 → 2026-04-13 · 3 obs
● 2026-03-15 21:04:56
● 2026-04-13 15:31:16
●A140.227.147.812026-03-15 → 2026-04-13 · 3 obs
● 2026-03-15 21:04:56
● 2026-04-13 15:31:16
○A210.150.137.1122007-11-13 → 2017-02-19 · 4 obs
● 2017-02-19 09:34:34
○ 2026-03-15 21:04:56
○ 2026-04-13 15:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net... | - |
| den-corp.com | ns4.mcnet.ad.jp, ns5.mcnet.ad.jp | - |
✅ Authoritative Response
Server:210.172.36.198
NS records: ns4.mcnet.ad.jp, ns5.mcnet.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for den-corp.com (unsigned zone)
⏱️ Timing
Total: 1109ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.227.147.81 |
| NS | 2 | ns4.mcnet.ad.jp, ns5.mcnet.ad.jp |
| MX | 1 | mail.den-corp.com (pri: 10) |
| TXT | 1 | v=spf1 include:den-corp.com.spf.hosting- |
| SOA | 1 | ns4.mcnet.ad.jp postmaster.mcnet.ad.jp |
Analysis
Hierarchy
The parent of mail.den-corp.com is den-corp.com.
IP Addresses
den-corp.com points to IP number: 140.227.147.81.
Other host names, for instance mail.den-corp.com share IP numbers with den-corp.com.
Name Servers
den-corp.com is delegated to two name servers: ns4.mcnet.ad.jp and ns5.mcnet.ad.jp.
den-corp.com shares the same name server setup as tougu.com, micro-glitter.com, adapt-inc.jp, silkytime.com and yamazaki-winery.co.jp.
Host names with a single IP:
ns4.mcnet.ad.jp points to 210.172.36.182.
ns5.mcnet.ad.jp points to 210.172.36.198.
Mail Servers
den-corp.com is handled by a single mail server, mail.den-corp.com.
mail.den-corp.com points to a single IP: 140.227.147.81.