ivytech.com.tw - robtex.com
ivytech.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.251.60.138🇹🇼 HiNet60.251.0.0/16 | ||||||
| PTR | 60-251-60-138.hinet-ip.hinet.net | ||||||
| NS | ivytech.com.tw ⭐ | ||||||
| A | 60.251.60.138🇹🇼 HiNet60.251.0.0/16 | ||||||
| PTR | 60-251-60-138.hinet-ip.hinet.net | ||||||
| NS | dns.ivytech.com.tw | ||||||
| A | 60.251.60.138🇹🇼 HiNet60.251.0.0/16 | ||||||
| PTR | 60-251-60-138.hinet-ip.hinet.net | ||||||
| NS | ns.ivytech.com.tw | ||||||
| A | 60.251.60.138🇹🇼 HiNet60.251.0.0/16 | ||||||
| PTR | 60-251-60-138.hinet-ip.hinet.net | ||||||
| MX | ivytech.com.tw ⭐ | ||||||
| A | 60.251.60.138🇹🇼 HiNet60.251.0.0/16 | ||||||
| PTR | 60-251-60-138.hinet-ip.hinet.net | ||||||
| MX | mail.ivytech.com.tw ⭐ | ||||||
| A | 60.251.60.138🇹🇼 HiNet60.251.0.0/16 | ||||||
| PTR | 60-251-60-138.hinet-ip.hinet.net | ||||||
| TXT | v=spf1 a mx -all | ||||||
| SOA | ivytech.com.twadmin@ivytech.com.tw serial=1765272825 | ||||||
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ ⚠️ Not in parent delegation | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | c.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | d.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | e.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | f.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | g.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | h.dns.tw ⚠️ Not in parent delegation | ||||||
| NS | h.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006350005 | ||||||
NS for
ivytech.com.tw |
MX for
ivytech.com.tw |
Subdomains
Same first word
ivytech.com.vn |
ivytech.az |
ivytech.awsapps.com |
ivytech.it |
ivytech.com.tw |
ivytech.org |
ivytech.edu |
ivytech.co.uk |
ivytech.com |
Similar names
DNS History
12 records (6 active, 6 former)
●NSdns.ivytech.com.tw2026-05-05 → 2026-05-13 · 3 obs
● 2026-05-05 22:59:46
● 2026-05-13 12:11:28
●NSivytech.com.tw2026-05-05 → 2026-05-13 · 3 obs
● 2026-05-05 22:59:46
● 2026-05-13 12:11:28
○NSmail.ivytech.com.tw2008-11-27 → 2008-11-27 · 3 obs
○ 2015-06-22 04:28:22
○ 2026-05-13 12:11:28
●NSns.ivytech.com.tw2026-05-05 → 2026-05-13 · 3 obs
● 2026-05-05 22:59:46
● 2026-05-13 12:11:28
○NSns11.twnic.net.tw2015-06-22 → 2017-02-20 · 5 obs
● 2015-06-22 04:28:22
● 2017-02-20 11:39:34
○ 2026-05-05 22:59:46
○ 2026-05-13 12:11:28
○NSns12.twnic.net.tw2015-06-22 → 2017-02-20 · 5 obs
● 2015-06-22 04:28:22
● 2017-02-20 11:39:34
○ 2026-05-05 22:59:46
○ 2026-05-13 12:11:28
○MXdns.ivytech.com.tw2015-06-22 → 2017-02-20 · 5 obs
● 2015-06-22 04:28:22
● 2017-02-20 11:39:34
○ 2026-05-05 22:59:46
○ 2026-05-13 12:11:28
●MXivytech.com.tw2026-05-05 → 2026-05-13 · 3 obs
● 2026-05-05 22:59:46
● 2026-05-13 12:11:28
●MXmail.ivytech.com.tw2008-11-27 → 2026-05-13 · 5 obs
○ 2015-06-22 04:28:22
○ 2017-02-20 11:39:34
● 2026-05-05 22:59:46
● 2026-05-13 12:11:28
○A59.120.33.62015-06-22 → 2017-02-20 · 5 obs
● 2015-06-22 04:28:22
● 2017-02-20 11:39:34
○ 2026-05-05 22:59:46
○ 2026-05-13 12:11:28
○A59.120.33.882008-11-27 → 2008-11-27 · 3 obs
○ 2015-06-22 04:28:22
○ 2026-05-13 12:11:28
●A60.251.60.1382026-05-05 → 2026-05-13 · 3 obs
● 2026-05-05 22:59:46
● 2026-05-13 12:11:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | 15 records |
| ivytech.com.tw | ns.ivytech.com.tw, dns.ivytech.com.tw | 2 records |
✅ Authoritative Response
Server:60.251.60.138
NS records: ns.ivytech.com.tw, dns.ivytech.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ivytech.com.tw (unsigned zone)
⏱️ Timing
Total: 1289ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.251.60.138 |
| NS | 2 | ns.ivytech.com.tw, dns.ivytech.com.tw |
| MX | 2 | ivytech.com.tw (pri: 10), mail.ivytech.com.tw (pri: 10) |
| TXT | 1 | v=spf1 a mx -all |
| SOA | 1 | ivytech.com.tw admin.ivytech.com.tw |
📌 Glue Records Collected
Total: 17
In-bailiwick: 16 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 1 (anytld.apnic.net)
Analysis
Hierarchy
ivytech.com.tw is a parent of www.ivytech.com.tw, mail.ivytech.com.tw, ns.ivytech.com.tw and dns.ivytech.com.tw.
Name Server Role
ivytech.com.tw acts as the name server for ivytech.com.tw.
dns.ivytech.com.tw and ns.ivytech.com.tw are commonly used as name servers along with ivytech.com.tw.
Mail Server Role
ivytech.com.tw serves as the mail server for ivytech.com.tw.
mail.ivytech.com.tw is commonly used as a mail server in conjunction with ivytech.com.tw.
IP Addresses
ivytech.com.tw points to a single IP number: 60.251.60.138.
Other host names, for instance ns.ivytech.com.tw, dns.ivytech.com.tw and mail.ivytech.com.tw share IP numbers with ivytech.com.tw.
Name Servers
ivytech.com.tw delegates to three name servers: ivytech.com.tw, dns.ivytech.com.tw and ns.ivytech.com.tw.
Host names with a single IP:
ivytech.com.tw points to 60.251.60.138.
dns.ivytech.com.tw points to 60.251.60.138.
ns.ivytech.com.tw points to 60.251.60.138.
Host names pointing to 60.251.60.138: ivytech.com.tw, dns.ivytech.com.tw and ns.ivytech.com.tw.
Mail Servers
Two mail servers handle ivytech.com.tw: ivytech.com.tw and mail.ivytech.com.tw.
Host names with one IP number: mail.ivytech.com.tw points to 60.251.60.138.