ctr.com.tw - dns.ninja
ctr.com.tw
com.tw
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | a.twnic.net.tw โญ | ||||||
| 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=2006355943 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
โNSns.ctr.com.tw2015-07-08 โ 2017-04-02 ยท 4 obs
โ 2017-04-02 21:09:32
โ 2017-07-30 05:35:40
โ 2026-06-04 10:04:40
โNSns11.twnic.net.tw2017-07-30 โ 2026-06-04 ยท 3 obs
โ 2017-07-30 05:35:40
โ 2026-06-04 10:04:40
โNSns12.twnic.net.tw2017-07-30 โ 2026-06-04 ยท 3 obs
โ 2017-07-30 05:35:40
โ 2026-06-04 10:04:40
โNSns2.ctr.com.tw2015-07-08 โ 2017-04-02 ยท 4 obs
โ 2017-04-02 21:09:32
โ 2017-07-30 05:35:40
โ 2026-06-04 10:04:40
โNSns3.ctr.com.tw2015-07-08 โ 2017-04-02 ยท 4 obs
โ 2017-04-02 21:09:32
โ 2017-07-30 05:35:40
โ 2026-06-04 10:04:40
โMXimail5.greatwall.net2015-07-08 โ 2017-04-02 ยท 4 obs
โ 2017-04-02 21:09:32
โ 2017-07-30 05:35:40
โ 2026-06-04 10:04:40
โMXms1.ctr.com.tw2017-07-30 โ 2026-06-04 ยท 3 obs
โ 2017-07-30 05:35:40
โ 2026-06-04 10:04:40
โA203.69.42.972015-07-08 โ 2017-04-02 ยท 4 obs
โ 2017-04-02 21:09:32
โ 2017-07-30 05:35:40
โ 2026-06-04 10:04:40
โA211.72.207.2332026-03-18 โ 2026-06-04 ยท 3 obs
โ 2026-03-18 13:37:16
โ 2026-06-04 10:04:40
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| ctr.com.tw | ns12.twnic.net.tw, ns11.twnic.net.tw | - |
โ Authoritative Response
Server:211.20.231.13
NS records: ns12.twnic.net.tw, ns11.twnic.net.tw
๐ DNSSEC Status
๐ Secure (DNSSEC validated)
Chain of trust verified from root to domain
โฑ๏ธ Timing
Total: 2824ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.72.207.233 |
| NS | 2 | ns12.twnic.net.tw, ns11.twnic.net.tw |
| MX | 1 | ms1.ctr.com.tw (pri: 10) |
| TXT | 1 | v=spf1 ip4:220.128.113.40 ~all |
| SOA | 1 | ns11.twnic.net.tw tech.twnic.net.tw |
Analysis
Hierarchy
The parent domain of mail.ctr.com.tw and ms1.ctr.com.tw is ctr.com.tw.
IP Addresses
ctr.com.tw directs to one IP number, which is 211.72.207.233.
Among the host names that share IP numbers with ctr.com.tw are anchung.com.tw, gianni.com.tw, gianni.tw and two others.
Name Servers
DNS delegation for ctr.com.tw points to two name servers: ns11.twnic.net.tw and ns12.twnic.net.tw.
ctr.com.tw has the same name server delegation as a number of other domains, such as nimax.com.tw, casemate.com.tw, sonax.com.tw and two more.
Host names resolving to 5 IP numbers:
ns11.twnic.net.tw directs to 54.249.43.242, 203.73.24.198, 210.201.138.52 and two other IP addresses.
ns12.twnic.net.tw directs to 60.199.218.234, 104.199.237.109, 211.20.231.13 and two other IP addresses.
Mail Servers
ctr.com.tw routes its mail through a single mail server, ms1.ctr.com.tw.
ctr.com.tw and domains like mail.ctr.com.tw share an identical mail server configuration.
ms1.ctr.com.tw has exactly one IP number: 220.128.113.40.