challtech.com.tw - dns.ninja
challtech.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.71.187.212🇹🇼 HiNet210.71.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mailfilter.hibox.hinet.net | ||||||
| NS | ns1.teng.com.tw ⭐ | ||||||
| A | 211.20.105.139🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.teng.com.tw | ||||||
| NS | ns2.teng.com.tw | ||||||
| A | 211.20.105.139🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.teng.com.tw | ||||||
| MX | mailfilter.hibox.hinet.net ⭐ | ||||||
| A | 61.219.36.11🇹🇼 HiNet61.219.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mailfilter.hibox.hinet.net | ||||||
| A | 210.71.187.212🇹🇼 HiNet210.71.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mailfilter.hibox.hinet.net | ||||||
| TXT | v=spf1 include:hibox.hinet.net ~all | ||||||
| SOA | ns1.teng.com.twhostmaster serial=14 | ||||||
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=2006386632 | ||||||
Same first word
challtech.com.tw |
challtech.com |
DNS History
4 records (4 active, 0 former)
●NSns1.teng.com.tw2026-04-22 → 2026-07-28 · 2 obs
● 2026-07-28 19:53:32
●NSns2.teng.com.tw2026-04-22 → 2026-07-28 · 2 obs
● 2026-07-28 19:53:32
●MXmailfilter.hibox.hinet.net2026-04-22 → 2026-07-28 · 2 obs
● 2026-07-28 19:53:32
●A210.71.187.2122026-04-22 → 2026-07-28 · 2 obs
● 2026-07-28 19:53:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | d.dns.tw, e.dns.tw, h.dns.tw, g.dns.tw... | 16 records |
| challtech.com.tw | ns2.teng.com.tw, ns1.teng.com.tw | 2 records |
✅ Authoritative Response
Server:211.20.105.139
NS records: ns2.teng.com.tw, ns1.teng.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for challtech.com.tw (unsigned zone)
⏱️ Timing
Total: 1071ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.71.187.212 |
| NS | 2 | ns1.teng.com.tw, ns2.teng.com.tw |
| MX | 1 | mailfilter.hibox.hinet.net (pri: 10) |
| TXT | 1 | v=spf1 include:hibox.hinet.net ~all |
| SOA | 1 | ns1.teng.com.tw hostmaster |
📌 Glue Records Collected
Total: 18
In-bailiwick: 14 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 4 (anytld.apnic.net, anytld.apnic.net, ns2.teng.com.tw...)
Analysis
IP Addresses
challtech.com.tw resolves to one IP address: 210.71.187.212.
mailfilter.xn--11xzc.tw, mailfilter.gallop-on.com, mailfilter.taiwan-wheels.com and two other host names share IP numbers with challtech.com.tw.
Name Servers
The NS records for challtech.com.tw delegate to ns1.teng.com.tw and ns2.teng.com.tw.
challtech.com.tw uses the same name servers as several other domains — among them jabon.com.tw, jing-yu.com.tw, rui-yuan.com.tw and two more.
challtech.com.tw partially shares its NS delegation with several other domains, including lawyertfs.com.tw, hochuyuan.com.tw, mammy.org.tw and two others.
These name servers are regularly seen alongside ns1.armlet.com.tw and ns2.armlet.com.tw as name servers.
Each of ns1.teng.com.tw and ns2.teng.com.tw points to exactly one IP address: 211.20.105.139.
ns1.teng.com.tw and ns2.teng.com.tw each have 211.20.105.139 IP addresses.
Mail Servers
Mail for challtech.com.tw is handled by a single mail server, mailfilter.hibox.hinet.net.
challtech.com.tw uses an identical mail server configuration to several other domains — among them guuyih.com.tw, wje.com.tw, yarnway.com.tw and two more.
challtech.com.tw has at least partial mail server overlap with other domains such as multiplas.com.tw, hl2c.com.tw, aiweb.tw and two more.
The host mailfilter.hibox.hinet.net resolves to 61.219.36.11 and 210.71.187.212 — two IP addresses.