aptcm.com - dns.ninja
aptcm.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.75.174.164🇹🇼 HiNet211.75.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. Data Communication Business Group 21, Section 1, Hsin-Yi Road, Taipei Taiwan R.O.C. | ||||||
| PTR | mail.twefish.com.tw | ||||||
| NS | aptcm.com ⭐ | ||||||
| A | 211.75.174.164🇹🇼 HiNet211.75.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. Data Communication Business Group 21, Section 1, Hsin-Yi Road, Taipei Taiwan R.O.C. | ||||||
| PTR | mail.twefish.com.tw | ||||||
| NS | ns6.aptcm.com | ||||||
| A | 211.75.174.164🇹🇼 HiNet211.75.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. Data Communication Business Group 21, Section 1, Hsin-Yi Road, Taipei Taiwan R.O.C. | ||||||
| PTR | mail.twefish.com.tw | ||||||
| NS | ns7.aptcm.com | ||||||
| A | 60.250.85.5🇹🇼 HiNet60.250.0.0/16 | ||||||
| PTR | mail.21web.tw | ||||||
| MX | mail.aptcm.com ⭐ | ||||||
| A | 211.75.174.164🇹🇼 HiNet211.75.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. Data Communication Business Group 21, Section 1, Hsin-Yi Road, Taipei Taiwan R.O.C. | ||||||
| PTR | mail.twefish.com.tw | ||||||
| TXT | v=spf1 ip4:211.75.174.164 mx:mail.aptcm.com ~all | ||||||
| SOA | aptcm.comhostmaster serial=95 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786036789 | ||||||
NS for
aptcm.com |
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSaptcm.com2015-07-11 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:12
●NSns6.aptcm.com2015-07-11 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:12
●NSns7.aptcm.com2015-07-11 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:12
●MXmail.aptcm.com2015-07-11 → 2026-08-06 · 2 obs
● 2026-08-06 17:45:12
●A211.75.174.1642015-07-11 → 2026-08-06 · 5 obs
● 2016-02-09 19:53:02
○ 2016-03-14 17:46:26
● 2016-06-15 14:41:16
● 2026-08-06 17:45:12
○A60.250.85.32015-07-11 → 2017-08-19 · 9 obs
○ 2015-11-14 19:44:20
○ 2016-02-09 19:53:02
● 2016-03-14 17:46:26
○ 2016-06-15 14:41:16
● 2017-07-01 23:48:50
● 2017-08-19 00:15:50
○ 2026-02-19 00:28:40
○ 2026-08-06 17:45:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net... | - |
| aptcm.com | ns6.aptcm.com, ns7.aptcm.com | 2 records |
✅ Authoritative Response
Server:211.75.174.164
NS records: ns6.aptcm.com, ns7.aptcm.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for aptcm.com (unsigned zone)
⏱️ Timing
Total: 428ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.75.174.164 |
| NS | 2 | ns7.aptcm.com, ns6.aptcm.com |
| MX | 1 | mail.aptcm.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:211.75.174.164 mx:mail.aptcm. |
| SOA | 1 | aptcm.com hostmaster |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns6.aptcm.com, ns7.aptcm.com)
Analysis
Hierarchy
www.aptcm.com, ns7.aptcm.com, ns6.aptcm.com and mail.aptcm.com are all subdomains of aptcm.com.
Name Server Role
aptcm.com is listed as a name server for aptcm.com — it is in-bailiwick, authoritative for its own domain.
ns6.aptcm.com, ns7.aptcm.com and aptcm.com are commonly seen together as name servers.
IP Addresses
aptcm.com has exactly one IP address — 211.75.174.164.
mail.21hitech.com, ns1.21cms.tw, ns6.aptcm.com plus two other host names have IP numbers in common with aptcm.com.
Name Servers
aptcm.com has three authoritative name servers: aptcm.com, ns6.aptcm.com and ns7.aptcm.com.
aptcm.com and ns6.aptcm.com both resolve to 211.75.174.164, while ns7.aptcm.com resolves to 60.250.85.5; all three hostnames carry exactly one IP address.
Host names pointing to 211.75.174.164 IP addresses: aptcm.com and ns6.aptcm.com.
Mail Servers
aptcm.com uses one mail server — mail.aptcm.com.
mail.aptcm.com has exactly one IP number: 211.75.174.164.