catch-u.com.tw - robtex.com
catch-u.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.138.106.47🇹🇼 ABOVE-AS-AP103.138.106.0/24 Chief Telecom Inc. | ||||||
| NS | ns1.dns.why3s.com ⭐ | ||||||
| A | 35.236.151.41🇹🇼 Google35.236.144.0/20 | ||||||
| PTR | 41.151.236.35.bc.googleusercontent.com | ||||||
| NS | ns2.dns.why3s.com | ||||||
| A | 172.105.200.231🇯🇵 AKAMAI-LINODE-AP172.105.192.0/19 Akamai Technologies | ||||||
| PTR | 172-105-200-231.ip.linodeusercontent.com | ||||||
| NS | ns3.dns.why3s.com | ||||||
| A | 34.150.30.120🇭🇰 Google34.150.16.0/20 | ||||||
| PTR | 120.30.150.34.bc.googleusercontent.com | ||||||
| NS | ns4.dns.why3s.com | ||||||
| A | 172.105.239.245🇯🇵 AKAMAI-LINODE-AP172.105.224.0/20 Akamai Technologies | ||||||
| PTR | ns4.dns.why3s.com | ||||||
| MX | catch-u.com.tw ⭐ | ||||||
| A | 103.138.106.47🇹🇼 ABOVE-AS-AP103.138.106.0/24 Chief Telecom Inc. | ||||||
| SOA | ns1.dns.why3s.comroot@sun6332.bestoneserver.com 2026-02-28 #1 | ||||||
com.tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| NS | anytld.apnic.net | ||||||
| NS | b.twnic.net.tw | ||||||
| NS | c.twnic.net.tw | ||||||
| NS | d.twnic.net.tw | ||||||
| NS | e.twnic.net.tw | ||||||
| NS | f.twnic.net.tw | ||||||
| NS | g.twnic.net.tw | ||||||
| NS | h.dns.tw | ||||||
| NS | h.twnic.net.tw | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006345314 | ||||||
MX for
catch-u.com.tw |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns1.dns.why3s.com2016-04-26 → 2026-04-26 · 3 obs
● 2016-04-26 11:15:12
● 2026-04-26 12:18:04
●NSns2.dns.why3s.com2016-04-26 → 2026-04-26 · 3 obs
● 2016-04-26 11:15:12
● 2026-04-26 12:18:04
○NSns25.g-dns.com2015-11-08 → 2016-01-20 · 4 obs
● 2016-01-20 16:05:04
○ 2016-04-26 11:15:12
○ 2026-04-26 12:18:04
○NSns26.g-dns.com2015-11-08 → 2016-01-20 · 4 obs
● 2016-01-20 16:05:04
○ 2016-04-26 11:15:12
○ 2026-04-26 12:18:04
●NSns3.dns.why3s.com2016-04-26 → 2026-04-26 · 3 obs
● 2016-04-26 11:15:12
● 2026-04-26 12:18:04
●NSns4.dns.why3s.com2016-04-26 → 2026-04-26 · 3 obs
● 2016-04-26 11:15:12
● 2026-04-26 12:18:04
●MXcatch-u.com.tw2015-11-08 → 2026-04-26 · 2 obs
● 2026-04-26 12:18:04
●A103.138.106.472026-02-18 → 2026-04-26 · 3 obs
● 2026-02-18 00:24:16
● 2026-04-26 12:18:04
○A103.17.8.432015-11-08 → 2016-01-20 · 4 obs
● 2016-01-20 16:05:04
○ 2016-04-26 11:15:12
○ 2026-04-26 12:18:04
○A61.63.25.2192016-04-26 → 2018-01-14 · 5 obs
● 2016-04-26 11:15:12
● 2018-01-14 01:55:06
○ 2026-02-18 00:24:16
○ 2026-04-26 12:18:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | 16 records |
| catch-u.com.tw | ns1.dns.why3s.com, ns2.dns.why3s.com, ns3.dns.why3s.com, ns4.dns.why3s.com | - |
✅ Authoritative Response
Server:35.236.151.41
NS records: ns1.dns.why3s.com, ns2.dns.why3s.com, ns3.dns.why3s.com, ns4.dns.why3s.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for catch-u.com.tw (unsigned zone)
⏱️ Timing
Total: 1892ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.138.106.47 |
| NS | 4 | ns4.dns.why3s.com, ns2.dns.why3s.com... |
| MX | 1 | catch-u.com.tw (pri: 0) |
| SOA | 1 | ns1.dns.why3s.com root.sun6332.bestonese |
📌 Glue Records Collected
Total: 16
In-bailiwick: 14 (a.dns.tw, a.dns.tw, b.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
Mail Server Role
The mail server for catch-u.com.tw is catch-u.com.tw.
IP Addresses
catch-u.com.tw maps to IP address 103.138.106.47.
Other host names, for instance www.fantail.com.tw, kiwinewenergy.com, fantail.com.tw, grandview.org.tw and sunsfore.com share IP numbers with catch-u.com.tw.
Name Servers
catch-u.com.tw is delegated to four name servers: ns1.dns.why3s.com, ns2.dns.why3s.com, ns3.dns.why3s.com and ns4.dns.why3s.com.
catch-u.com.tw at least partially shares name servers with other domains such as misshana.why3s.cc, sdy-tec.com, go-fishing.com.tw, chainfull.tw and okrwd.com.
Host names with one IP number:
ns1.dns.why3s.com points to: 35.236.151.41
ns2.dns.why3s.com points to: 172.105.200.231
ns3.dns.why3s.com points to: 34.150.30.120
ns4.dns.why3s.com points to: 172.105.239.245
Mail Servers
One mail server serves catch-u.com.tw.
catch-u.com.tw points to one IP number: 103.138.106.47.