4cus.com.tw - robtex.com
4cus.com.tw
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ ⚠️ Not in parent delegation | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | c.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | d.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | e.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | f.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | g.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | h.dns.tw ⚠️ Not in parent delegation | ||||||
| NS | h.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006391989 | ||||||
Same first word
Similar names
cs4u.com |
cs4u.de |
sc4u.uk |
ucs4.us |
sc4u.ch |
cu4s.com |
sc4u.com |
4ucs.com |
4ucs.net |
us4c.com |
4ucs.network |
4ucs.co.nz |
c4us.com |
su4c.com |
cs4u.pl |
cs4u.us |
cs4u.net |
c4us.de |
cs4u.gr |
su4c.org |
cs4u.ca |
sc4u.us |
cs4u.ru |
sc4u.net |
DNS History
3 records (3 active, 0 former)
●NSvdns1.seed.net.tw2026-05-21 → 2026-08-14 · 2 obs
● 2026-08-14 07:55:52
●NSvdns2.seed.net.tw2026-05-21 → 2026-08-14 · 2 obs
● 2026-08-14 07:55:52
●MX4cus-com-tw.mail.protection.outlook.com2026-05-21 → 2026-08-14 · 2 obs
● 2026-08-14 07:55:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | e.dns.tw, g.dns.tw, a.dns.tw, b.dns.tw... | - |
| 4cus.com.tw | vdns2.seed.net.tw, vdns1.seed.net.tw | - |
✅ Authoritative Response
Server:61.20.46.204
NS records: vdns2.seed.net.tw, vdns1.seed.net.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4cus.com.tw (unsigned zone)
⏱️ Timing
Total: 1815ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | vdns1.seed.net.tw, vdns2.seed.net.tw |
| MX | 1 | 4cus-com-tw.mail.protection.outlook.com |
| TXT | 4 | v=spf1 include:spf.protection.outlook.co, MS=ms97490370... |
| SOA | 1 | vdns2.seed.net.tw sysop.vdns2.seed.net.t |
Analysis
Name Servers
4cus.com.tw is served by two delegated name servers, vdns1.seed.net.tw and vdns2.seed.net.tw.
The name server configuration of 4cus.com.tw is shared with other domains, for instance newspaper.org.tw, cyttw.com.tw, dcc.com.tw and two others.
The name servers of 4cus.com.tw overlap at least partially with those of other domains — among them hanzi.com.tw, cfba.tw, maghin.com.tw and two more.
These name servers commonly appear alongside the name servers vdns3.seed.net.tw and vdns4.seed.net.tw.
Both vdns1.seed.net.tw and vdns2.seed.net.tw have a single IP address each — vdns1.seed.net.tw resolves to 61.20.46.203 while vdns2.seed.net.tw resolves to 61.20.46.204.
Mail Servers
4cus.com.tw uses one mail server — 4cus-com-tw.mail.protection.outlook.com.
4cus-com-tw.mail.protection.outlook.com has 6 IP addresses: 52.101.124.117, 52.101.137.0, 52.101.157.80 plus 3 more.