tdco.com.tw - robtex.com
tdco.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=2006383072 | ||||||
Subdomains
www.tdco.com.tw |
Same first word
Similar names
DNS History
18 records (8 active, 10 former)
○NS(root)2017-03-25 → 2017-09-26 · 5 obs
● 2017-03-25 10:19:30
● 2017-09-26 15:39:20
○ 2026-06-30 19:54:02
○ 2026-07-18 14:21:36
●NSdmns1.tfn.net.tw2026-06-30 → 2026-07-18 · 3 obs
● 2026-06-30 19:54:02
● 2026-07-18 14:21:36
●NSdmns2.tfn.net.tw2026-06-30 → 2026-07-18 · 3 obs
● 2026-06-30 19:54:02
● 2026-07-18 14:21:36
○NSdns1.tfn.net.tw2017-03-25 → 2017-09-26 · 5 obs
● 2017-03-25 10:19:30
● 2017-09-26 15:39:20
○ 2026-06-30 19:54:02
○ 2026-07-18 14:21:36
○NSdns2.tfn.net.tw2017-03-25 → 2017-09-26 · 5 obs
● 2017-03-25 10:19:30
● 2017-09-26 15:39:20
○ 2026-06-30 19:54:02
○ 2026-07-18 14:21:36
○NSns11.cx901.com2015-08-24 → 2017-01-01 · 4 obs
● 2017-01-01 13:22:22
○ 2017-03-25 10:19:30
○ 2026-07-18 14:21:36
○NSns12.cx901.com2015-08-24 → 2017-01-01 · 4 obs
● 2017-01-01 13:22:22
○ 2017-03-25 10:19:30
○ 2026-07-18 14:21:36
●MXalt1.aspmx.l.google.com2015-08-24 → 2026-07-18 · 2 obs
● 2026-07-18 14:21:36
●MXalt2.aspmx.l.google.com2015-08-24 → 2026-07-18 · 2 obs
● 2026-07-18 14:21:36
●MXalt3.aspmx.l.google.com2017-03-25 → 2026-07-18 · 3 obs
● 2017-03-25 10:19:30
● 2026-07-18 14:21:36
●MXalt4.aspmx.l.google.com2017-03-25 → 2026-07-18 · 3 obs
● 2017-03-25 10:19:30
● 2026-07-18 14:21:36
●MXaspmx.l.google.com2015-08-24 → 2026-07-18 · 2 obs
● 2026-07-18 14:21:36
○MXaspmx2.googlemail.com2015-08-24 → 2017-01-01 · 4 obs
● 2017-01-01 13:22:22
○ 2017-03-25 10:19:30
○ 2026-07-18 14:21:36
○MXaspmx3.googlemail.com2015-08-24 → 2017-01-01 · 4 obs
● 2017-01-01 13:22:22
○ 2017-03-25 10:19:30
○ 2026-07-18 14:21:36
○A107.180.2.2072017-03-25 → 2017-09-08 · 5 obs
● 2017-03-25 10:19:30
● 2017-09-08 22:59:08
○ 2017-09-16 19:13:42
○ 2026-07-18 14:21:36
●A125.227.54.1862026-06-30 → 2026-07-18 · 3 obs
● 2026-06-30 19:54:02
● 2026-07-18 14:21:36
○A148.72.31.2122017-09-16 → 2017-09-26 · 5 obs
● 2017-09-16 19:13:42
● 2017-09-26 15:39:20
○ 2026-06-30 19:54:02
○ 2026-07-18 14:21:36
○A198.55.121.1002015-08-24 → 2017-01-01 · 4 obs
● 2017-01-01 13:22:22
○ 2017-03-25 10:19:30
○ 2026-07-18 14:21:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | anytld.apnic.net, b.dns.tw, h.dns.tw, f.dns.tw... | 15 records |
| tdco.com.tw | dmns1.tfn.net.tw, dmns2.tfn.net.tw | - |
✅ Authoritative Response
Server:211.78.215.219
NS records: dmns1.tfn.net.tw, dmns2.tfn.net.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tdco.com.tw (unsigned zone)
⏱️ Timing
Total: 1838ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 125.227.54.186 |
| NS | 2 | dmns2.tfn.net.tw, dmns1.tfn.net.tw |
| MX | 5 | ALT4.ASPMX.L.GOOGLE.COM (pri: 10), ALT2.ASPMX.L.GOOGLE.COM (pri: 5)... |
| TXT | 3 | google-site-verification=pvVnFGeDhSpGxdW, 3cdviqbbvqnrqvm06a8dmsb07o... |
| SOA | 1 | dmns1.tfn.net.tw dns_admin.tfn.net.tw |
📌 Glue Records Collected
Total: 15
In-bailiwick: 14 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 1 (anytld.apnic.net)
Analysis
Hierarchy
tdco.com.tw is a parent domain of www.tdco.com.tw.
IP Addresses
tdco.com.tw resolves to one IP address: 125.227.54.186.
tskynet.com, sanivi.com.tw, wangirl.com.tw and two other host names share IP numbers with tdco.com.tw.
Name Servers
tdco.com.tw uses two name servers for its delegation: dmns1.tfn.net.tw and dmns2.tfn.net.tw.
tdco.com.tw uses the same name servers as several other domains — among them clab.com.tw, otc.org.tw, infosec.com.tw and two more.
dmns1.tfn.net.tw and dmns2.tfn.net.tw each resolve to one IP number: dmns1.tfn.net.tw points to 211.78.213.219 and dmns2.tfn.net.tw points to 211.78.215.219.
Mail Servers
Mail for tdco.com.tw is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
tdco.com.tw has at least partial mail server overlap with other domains such as confluenceindia.org, abundancedelivered.com, latamrecruit.com and two more.
The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com and aspmx2.googlemail.com are commonly seen alongside these mail servers.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com directs traffic to 192.178.155.26 and 2607:f8b0:4004:c1f::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.