hctt.com.tw - robtex.com
hctt.com.tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns11.twnic.net.tw ⭐ | ||||||
| A | 2001:cd8:800::198🇹🇼 Seednet2001:cd8::/32 SeedNet/NCIC route object | ||||||
| A | 2404:0:10a0::3852🇹🇼 EBT2404:0:1000::/40 Asia Pacific Telecom IPv6 | ||||||
| A | 54.249.43.242🇯🇵 Amazon54.249.32.0/19 EC2 NRT | ||||||
| PTR | ec2-54-249-43-242.ap-northeast-1.compute.amazonaws.com | ||||||
| A | 203.73.24.198🇹🇼 Seednet203.73.24.0/24 SeedNet | ||||||
| A | 210.201.138.52🇹🇼 APOL210.201.138.0/24 Asia Pacific Telecom co., Ltd | ||||||
| NS | ns12.twnic.net.tw | ||||||
| A | 60.199.218.234🇹🇼 TFN-NET60.199.218.0/24 Taiwan Fixed Network | ||||||
| PTR | ns12.twnic.net.tw | ||||||
| A | 104.199.237.109🇹🇼 Google104.199.224.0/20 | ||||||
| PTR | 109.237.199.104.bc.googleusercontent.com | ||||||
| A | 211.20.231.13🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 211-20-231-13.hinet-ip.hinet.net | ||||||
| MX | mail.hctt.com.tw ⭐ | ||||||
| A | 210.68.70.195🇹🇼 Seednet210.68.64.0/19 SeedNet | ||||||
| PTR | mail.hctt.com.tw | ||||||
| TXT | v=spf1 a mx ptr ip4:210.68.70.195 ~all | ||||||
| SOA | ns11.twnic.net.twtech@twnic.net.tw serial=1783279032 | ||||||
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006386650 | ||||||
Previously MX for
hctt.com.tw |
Subdomains
mail.hctt.com.tw |
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
●NSns11.twnic.net.tw2017-06-26 → 2026-07-28 · 3 obs
● 2017-06-26 00:08:12
● 2026-07-28 22:52:18
●NSns12.twnic.net.tw2017-06-26 → 2026-07-28 · 3 obs
● 2017-06-26 00:08:12
● 2026-07-28 22:52:18
○NSwin2ksrv2015-05-27 → 2016-11-15 · 4 obs
● 2016-11-15 08:38:28
○ 2017-06-26 00:08:12
○ 2026-07-28 22:52:18
○MXhctt.com.tw2015-05-27 → 2016-11-15 · 4 obs
● 2016-11-15 08:38:28
○ 2017-06-26 00:08:12
○ 2026-07-28 22:52:18
●MXmail.hctt.com.tw2015-05-27 → 2026-07-28 · 2 obs
● 2026-07-28 22:52:18
○A210.68.70.1952015-05-27 → 2016-11-15 · 4 obs
● 2016-11-15 08:38:28
○ 2017-06-26 00:08:12
○ 2026-07-28 22:52:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | 16 records |
| hctt.com.tw | ns12.twnic.net.tw, ns11.twnic.net.tw | - |
✅ Authoritative Response
Server:203.73.24.198
NS records: ns12.twnic.net.tw, ns11.twnic.net.tw
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2240ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns12.twnic.net.tw, ns11.twnic.net.tw |
| MX | 1 | mail.hctt.com.tw (pri: 5) |
| TXT | 1 | v=spf1 a mx ptr ip4:210.68.70.195 ~all |
| SOA | 1 | ns11.twnic.net.tw tech.twnic.net.tw |
📌 Glue Records Collected
Total: 16
In-bailiwick: 14 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
Hierarchy
mail.hctt.com.tw is a subdomain of hctt.com.tw.
Name Servers
hctt.com.tw has two authoritative name servers — ns11.twnic.net.tw and ns12.twnic.net.tw.
hctt.com.tw shares its NS records with other domains, for example sanfong.com.tw, coolbooks.com.tw, tssdnews.com.tw and two others.
The name servers for hctt.com.tw overlap at least partially with those of other domains — for example 252.174.147.122.in-addr.arpa.
Host names directing to five IP addresses:
ns11.twnic.net.tw has four IP addresses — 54.249.43.242, 203.73.24.198, 210.201.138.52 and two others.
Hostnames that map to three IP numbers:
ns12.twnic.net.tw resolves to 60.199.218.234, 104.199.237.109 and 211.20.231.13.
Mail Servers
The sole mail server for hctt.com.tw is mail.hctt.com.tw.
mail.hctt.com.tw points to one IP number — 210.68.70.195.