contop.com.tw - robtex.com
contop.com.tw
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2006338885 | ||||||
Subdomains
www.contop.com.tw |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSadmns1.hinet.net2015-07-03 → 2015-11-07 · 4 obs
● 2015-11-07 13:44:58
○ 2016-01-10 20:38:32
○ 2026-04-01 05:46:12
○NSadmns2.hinet.net2015-07-03 → 2015-11-07 · 4 obs
● 2015-11-07 13:44:58
○ 2016-01-10 20:38:32
○ 2026-04-01 05:46:12
●NSns1.bdm.microsoftonline.com2016-01-10 → 2026-04-01 · 3 obs
● 2016-01-10 20:38:32
● 2026-04-01 05:46:12
●NSns2.bdm.microsoftonline.com2016-01-10 → 2026-04-01 · 3 obs
● 2016-01-10 20:38:32
● 2026-04-01 05:46:12
●NSns3.bdm.microsoftonline.com2016-01-10 → 2026-04-01 · 3 obs
● 2016-01-10 20:38:32
● 2026-04-01 05:46:12
●NSns4.bdm.microsoftonline.com2016-01-10 → 2026-04-01 · 3 obs
● 2016-01-10 20:38:32
● 2026-04-01 05:46:12
●MXcontop-com-tw.mail.protection.outlook.com2016-01-10 → 2026-04-01 · 3 obs
● 2016-01-10 20:38:32
● 2026-04-01 05:46:12
○MXmail.contop.com.tw2015-07-03 → 2015-11-07 · 4 obs
● 2015-11-07 13:44:58
○ 2016-01-10 20:38:32
○ 2026-04-01 05:46:12
○MXms70525592.msv1.invalid2015-11-07 → 2015-11-07 · 4 obs
● 2015-11-07 13:44:58
○ 2016-01-10 20:38:32
○ 2026-04-01 05:46:12
○A59.125.208.1602015-07-03 → 2015-11-07 · 4 obs
● 2015-11-07 13:44:58
○ 2016-01-10 20:38:32
○ 2026-04-01 05:46:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | e.dns.tw, f.dns.tw, b.dns.tw, h.dns.tw... | 16 records |
| com.tw | g.twnic.net.tw, f.twnic.net.tw, c.twnic.net.tw, b.twnic.net.tw... | 17 records |
| contop.com.tw | ns4.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com | - |
✅ Authoritative Response
Server:150.171.21.208
NS records: ns4.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contop.com.tw (unsigned zone)
⏱️ Timing
Total: 1176ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com... |
| MX | 1 | contop-com-tw.mail.protection.outlook.co |
| TXT | 2 | mscid=y8fNUfSfC2VmZCGS+kbXjdR/4hwQOk9msb, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.bdm.microsoftonline.com azuredns-hos |
📌 Glue Records Collected
Total: 33
In-bailiwick: 14 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 19 (anytld.apnic.net, anytld.apnic.net, h.twnic.net.tw...)
Analysis
Hierarchy
contop.com.tw is the parent of www.contop.com.tw.
Name Servers
contop.com.tw is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.
contop.com.tw at least partially shares name servers with other domains, for instance cafe10.com.au, sjoestroem.de, samardan.com, alkapool.com and coastalind.com.
Host names with two IP numbers:
ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208; ns2.bdm.microsoftonline.com points to 2620:1ec:8ec:700::d0 and 150.171.21.208; ns3.bdm.microsoftonline.com points to 2a01:111:4000:700::d0 and 204.14.183.208; ns4.bdm.microsoftonline.com points to 2620:1ec:bda:700::d0 and 208.84.5.208.
Mail Servers
contop.com.tw is handled by a single mail server, contop-com-tw.mail.protection.outlook.com.
The host name contop-com-tw.mail.protection.outlook.com resolves to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.