tud-net.com - robtex.com
tud-net.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 59.169.126.232🇯🇵 ASN-ATHOMEJP59.169.64.0/18 JCOM Co., Ltd. | ||||||
| NS | ns1.tud-net.com ⭐ | ||||||
| A | 59.169.126.232🇯🇵 ASN-ATHOMEJP59.169.64.0/18 JCOM Co., Ltd. | ||||||
| NS | ns3.neobb.ne.jp | ||||||
| A | 203.139.203.35🇯🇵 STCN203.139.192.0/19 | ||||||
| NS | ns4.neobb.ne.jp | ||||||
| A | 61.206.7.68🇯🇵 STCN61.206.0.0/20 | ||||||
| MX | mail.tud-net.com ⭐ | ||||||
| A | 59.169.126.232🇯🇵 ASN-ATHOMEJP59.169.64.0/18 JCOM Co., Ltd. | ||||||
| TXT | v=spf1 include:spf.neobb.ne.jp -all | ||||||
| SOA | ns1.tud-net.comsupport@neobb.ne.jp 2026-05-13 #1 | ||||||
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=1778684806 | ||||||
Subdomains
Same first word
tud-net.com |
DNS History
7 records (5 active, 2 former)
●NSns1.tud-net.com2019-12-14 → 2026-05-13 · 2 obs
● 2026-05-13 15:32:48
●NSns3.neobb.ne.jp2019-12-14 → 2026-05-13 · 2 obs
● 2026-05-13 15:32:48
●NSns4.neobb.ne.jp2019-12-14 → 2026-05-13 · 2 obs
● 2026-05-13 15:32:48
●MXmail.tud-net.com2019-12-14 → 2026-05-13 · 2 obs
● 2026-05-13 15:32:48
○A203.174.90.1422019-12-14 → 2019-12-14 · 3 obs
○ 2026-02-19 21:43:28
○ 2026-05-13 15:32:48
○A59.169.126.1432026-02-19 → 2026-03-07 · 5 obs
● 2026-02-19 21:43:28
● 2026-03-07 14:25:18
○ 2026-03-23 05:12:56
○ 2026-05-13 15:32:48
●A59.169.126.2322026-03-23 → 2026-05-13 · 3 obs
● 2026-03-23 05:12:56
● 2026-05-13 15:32:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net... | - |
| tud-net.com | ns3.neobb.ne.jp, ns4.neobb.ne.jp, ns1.tud-net.com | 1 record |
✅ Authoritative Response
Server:203.139.203.35
NS records: ns3.neobb.ne.jp, ns4.neobb.ne.jp, ns1.tud-net.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tud-net.com (unsigned zone)
⏱️ Timing
Total: 1410ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 59.169.126.232 |
| NS | 3 | ns4.neobb.ne.jp, ns3.neobb.ne.jp... |
| MX | 1 | mail.tud-net.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.neobb.ne.jp -all |
| SOA | 1 | ns1.tud-net.com support.neobb.ne.jp |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (ns1.tud-net.com)
Analysis
Hierarchy
tud-net.com is a parent of mail.tud-net.com and ns1.tud-net.com.
IP Addresses
tud-net.com resolves to one IP number: 59.169.126.232.
Other host names, for instance swat-b.jp, neo232.static.neobb.ne.jp, ns1.swat-b.jp, mail.swat-b.jp and ns1.tud-net.com share IP numbers with tud-net.com.
Name Servers
tud-net.com is delegated to three name servers: ns1.tud-net.com, ns3.neobb.ne.jp and ns4.neobb.ne.jp.
tud-net.com at least partially shares name servers with other domains, including 88.174.203.in-addr.arpa, dcj.jp, aca-gsi.co.jp, neobb.jp and dc-g.net.
These name servers are commonly used with ns2.neobb.ne.jp, ns1.neobb.ne.jp, ns.hearts.ne.jp, ns1.stnet.ad.jp, ns1.aca-gsi.co.jp and ns1.neobb.jp.
Host names with a single IP:
ns1.tud-net.com points to 59.169.126.232; ns3.neobb.ne.jp points to 203.139.203.35; ns4.neobb.ne.jp points to 61.206.7.68.
Mail Servers
A single mail server handles tud-net.com, mail.tud-net.com.
Host name mail.tud-net.com resolves to a single IP: 59.169.126.232.