sci.org.tw - robtex.com
sci.org.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.84.199.120🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-120.asiawhere.com | ||||||
| NS | ns1.wt500.com ⭐ | ||||||
| A | 219.84.199.1🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-1.asiawhere.com | ||||||
| NS | ns2.wt500.com | ||||||
| A | 219.84.199.2🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-2.asiawhere.com | ||||||
| NS | ns3.wt500.com ⚠️ Not in parent delegation | ||||||
| A | 61.56.223.218🇹🇼 NCIC-TW61.56.223.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| PTR | fa223-218.asiawhere.com | ||||||
| NS | ns4.wt500.com ⚠️ Not in parent delegation | ||||||
| A | 61.56.223.219🇹🇼 NCIC-TW61.56.223.0/24 Far Eastone Telecommunications Co., Ltd | ||||||
| PTR | fa223-219.asiawhere.com | ||||||
| MX | mail.sci.org.tw ⭐ | ||||||
| A | 219.84.199.120🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-120.asiawhere.com | ||||||
| TXT | v=spf1 a mx ip4:219.84.199.120 ?all | ||||||
| SOA | ns1.wt500.comericw318@scsrc.org.tw serial=1580882985 | ||||||
org.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=1999640171 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
●NSns3.wt500.com2026-03-13 → 2026-03-23 · 3 obs
● 2026-03-13 04:56:36
● 2026-03-23 14:36:16
●NSns4.wt500.com2026-03-13 → 2026-03-23 · 3 obs
● 2026-03-13 04:56:36
● 2026-03-23 14:36:16
●MXmail.sci.org.tw2015-06-27 → 2026-03-23 · 2 obs
● 2026-03-23 14:36:16
●A219.84.199.1202026-03-13 → 2026-03-23 · 3 obs
● 2026-03-13 04:56:36
● 2026-03-23 14:36:16
○A219.84.199.312015-06-27 → 2019-04-02 · 4 obs
● 2019-04-02 11:19:52
○ 2026-03-13 04:56:36
○ 2026-03-23 14:36:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | h.dns.tw, f.dns.tw, e.dns.tw, a.dns.tw... | - |
| org.tw | d.twnic.net.tw, h.twnic.net.tw, f.twnic.net.tw, g.twnic.net.tw... | 17 records |
| sci.org.tw | ns1.wt500.com, ns2.wt500.com | - |
✅ Authoritative Response
Server:219.84.199.2
NS records: ns1.wt500.com, ns2.wt500.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sci.org.tw (unsigned zone)
⏱️ Timing
Total: 1444ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.84.199.120 |
| NS | 4 | ns1.wt500.com, ns3.wt500.com... |
| MX | 1 | mail.sci.org.tw (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:219.84.199.120 ?all |
| SOA | 1 | ns1.wt500.com ericw318.scsrc.org.tw |
📌 Glue Records Collected
Total: 17
Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)
Analysis
Hierarchy
sci.org.tw is a parent of www.sci.org.tw and mail.sci.org.tw.
IP Addresses
sci.org.tw resolves to one IP number: 219.84.199.120.
other host names including tb-speaker.com, mail.passionvisual.com, ccfd.org.tw, wcetw.com and twhs.org.tw share IP numbers with sci.org.tw.
Name Servers
sci.org.tw is delegated to four name servers: ns1.wt500.com, ns2.wt500.com, ns3.wt500.com and ns4.wt500.com.
sci.org.tw at least partially shares name servers with other domains, for instance hopemap.net, newswin.tw, tourway.com.tw, eamour.com.tw and speaker-mart.com.tw.
These name servers are commonly used alongside dns.servernet.com.tw, yhns.servernet.com.tw, ns1.wa1000.com, ns2.wa1000.com, ns3.wa1000.com and ns4.wa1000.com.
Host names with one IP number: ns1.wt500.com points to 219.84.199.1; ns2.wt500.com points to 219.84.199.2; ns3.wt500.com points to 61.56.223.218; ns4.wt500.com points to 61.56.223.219.
Mail Servers
sci.org.tw is handled by a single mail server, mail.sci.org.tw.
mail.sci.org.tw resolves to IP 219.84.199.120.