coremaster.com.tw - dns.ninja
coremaster.com.tw
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=2006381144 | ||||||
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
●NSns-1172.awsdns-18.org2017-04-01 → 2026-07-13 · 3 obs
● 2017-04-01 06:26:04
● 2026-07-13 04:43:08
●NSns-1689.awsdns-19.co.uk2017-04-01 → 2026-07-13 · 3 obs
● 2017-04-01 06:26:04
● 2026-07-13 04:43:08
●NSns-36.awsdns-04.com2017-04-01 → 2026-07-13 · 3 obs
● 2017-04-01 06:26:04
● 2026-07-13 04:43:08
●NSns-560.awsdns-06.net2017-04-01 → 2026-07-13 · 3 obs
● 2017-04-01 06:26:04
● 2026-07-13 04:43:08
○NSpdns03.domaincontrol.com2015-06-09 → 2016-08-06 · 4 obs
● 2016-08-06 10:39:58
○ 2017-04-01 06:26:04
○ 2026-07-13 04:43:08
○NSpdns04.domaincontrol.com2015-06-09 → 2016-08-06 · 4 obs
● 2016-08-06 10:39:58
○ 2017-04-01 06:26:04
○ 2026-07-13 04:43:08
●MXofficemail.cloudmax.com.tw2026-02-21 → 2026-07-13 · 3 obs
● 2026-02-21 20:22:30
● 2026-07-13 04:43:08
○MXvmas.fetnet.net2015-06-09 → 2017-05-17 · 4 obs
● 2017-05-17 01:13:36
○ 2026-02-21 20:22:30
○ 2026-07-13 04:43:08
●A13.248.188.1672026-02-21 → 2026-07-13 · 3 obs
● 2026-02-21 20:22:30
● 2026-07-13 04:43:08
○A174.129.30.2352015-06-09 → 2017-05-17 · 4 obs
● 2017-05-17 01:13:36
○ 2026-02-21 20:22:30
○ 2026-07-13 04:43:08
●A76.223.61.2402026-02-21 → 2026-07-13 · 3 obs
● 2026-02-21 20:22:30
● 2026-07-13 04:43:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| com.tw | b.twnic.net.tw, c.twnic.net.tw, h.dns.tw, anytld.apnic.net... | 17 records |
| coremaster.com.tw | ns-1689.awsdns-19.co.uk, ns-36.awsdns-04.com, ns-560.awsdns-06.net, ns-1172.awsdns-18.org | - |
✅ Authoritative Response
Server:205.251.198.153
NS records: ns-1689.awsdns-19.co.uk, ns-36.awsdns-04.com, ns-560.awsdns-06.net, ns-1172.awsdns-18.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coremaster.com.tw (unsigned zone)
⏱️ Timing
Total: 1564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.188.167, 76.223.61.240 |
| NS | 4 | ns-1172.awsdns-18.org, ns-1689.awsdns-19.co.uk... |
| MX | 1 | officemail.cloudmax.com.tw (pri: 0) |
| TXT | 3 | 6grt8bvp0j8kqch63bvfpgc283, google-site-verification=vkbkGpocR21iOuN... |
| SOA | 1 | ns-36.awsdns-04.com awsdns-hostmaster.am |
📌 Glue Records Collected
Total: 17
Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)
Analysis
IP Addresses
coremaster.com.tw resolves to the IP addresses 13.248.188.167 and 76.223.61.240
www.yenchen.com.tw, www.exw.com.tw, tienyih.com and two other host names share IP numbers with coremaster.com.tw.
Name Servers
The authoritative name servers for coremaster.com.tw are ns-36.awsdns-04.com, ns-560.awsdns-06.net, ns-1172.awsdns-18.org and ns-1689.awsdns-19.co.uk.
coremaster.com.tw shares at least some of its name servers with other domains, including carejobsiowa.com, myraatechnologies.com, inogi-energo.org and two others.
The host names ns-36.awsdns-04.com, ns-560.awsdns-06.net, ns-1172.awsdns-18.org and ns-1689.awsdns-19.co.uk each resolve to two IP addresses: ns-36.awsdns-04.com resolves to 205.251.192.36 and 2600:9000:5300:2400::1; ns-560.awsdns-06.net resolves to 205.251.194.48 and 2600:9000:5302:3000::1; ns-1172.awsdns-18.org resolves to 205.251.196.148 and 2600:9000:5304:9400::1; ns-1689.awsdns-19.co.uk resolves to 205.251.198.153 and 2600:9000:5306:9900::1.
Mail Servers
Mail for coremaster.com.tw is handled by a single mail server, officemail.cloudmax.com.tw.
coremaster.com.tw uses an identical mail server configuration to several other domains — among them toptran.com.tw, parfaite.com.tw, twpenguin.com and two more.
There is at least a partial overlap in mail servers between coremaster.com.tw and other domains like 3gnet.com.tw, unicrane.com.tw and growthlinkshoe.com.
There is one IP number for officemail.cloudmax.com.tw: 203.69.82.4.