iutd-lab.com - robtex.com
iutd-lab.com
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=1781847415 | ||||||
MX for
iutd-lab.com |
Same first word
iutd-lab.com |
Similar names
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2017-01-04 → 2026-06-19 · 2 obs
● 2026-06-19 05:42:44
●NSns2.xserver.jp2017-01-04 → 2026-06-19 · 2 obs
● 2026-06-19 05:42:44
●NSns3.xserver.jp2017-01-04 → 2026-06-19 · 2 obs
● 2026-06-19 05:42:44
●NSns4.xserver.jp2017-01-04 → 2026-06-19 · 2 obs
● 2026-06-19 05:42:44
●NSns5.xserver.jp2017-01-04 → 2026-06-19 · 2 obs
● 2026-06-19 05:42:44
●MXiutd-lab.com2017-01-04 → 2026-06-19 · 2 obs
● 2026-06-19 05:42:44
●A202.226.37.1992026-06-04 → 2026-06-19 · 3 obs
● 2026-06-04 17:31:36
● 2026-06-19 05:42:44
○A210.188.201.1992017-01-04 → 2017-12-02 · 4 obs
● 2017-12-02 19:09:26
○ 2026-06-04 17:31:36
○ 2026-06-19 05:42:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| iutd-lab.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:183.90.224.230
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for iutd-lab.com (unsigned zone)
⏱️ Timing
Total: 1074ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.37.199 |
| NS | 5 | ns2.xserver.jp, ns5.xserver.jp... |
| MX | 1 | iutd-lab.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv168.xserver.jp +a:iutd-lab.c |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Mail Server Role
iutd-lab.com is listed as a mail server for itself.
IP Addresses
iutd-lab.com resolves to one IP address: 202.226.37.199.
www.paopao.org, consultant-tokyo.com, sai-web.com and two other host names share IP numbers with iutd-lab.com.
Name Servers
iutd-lab.com has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
There is at least partial name server overlap between iutd-lab.com and other domains — cinux.net, kanagawa-sr.or.jp, reform-franc.jp and two more among them.
These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that resolve to three IP addresses:
The hostname ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The hostname ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The hostname ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Hosts with just one IP address:
The hostname ns2.xserver.jp resolves to 35.72.43.26.
The hostname ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
Mail for iutd-lab.com is handled by one mail server — iutd-lab.com.
iutd-lab.com carries a single IP number, which is 202.226.37.199.