rocna.edu.tw - robtex.com
rocna.edu.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns.rocna.edu.tw ⭐ | ||||||
| A | 2001:288:8020:55::253🇹🇼 ERX-TANET-ASN12001:288::/32 Transit Customer AS1659 (TANet) of EBIX (AS17709) | ||||||
| A | 172.16.55.253UNSPECIFIED160.0.0.0/3 | ||||||
| A | 192.192.178.36🇹🇼 NSYSU-TW192.192.178.0/24 | ||||||
| MX | rocna-edu-tw.mail.protection.outlook.com ⭐ | ||||||
| A | 2a01:111:f403:cc09::🇸🇬 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-sg2pr03cu00500.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:cc1a::8🇯🇵 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-tydpr03cu00100.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:cc1f::4🇯🇵 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-os8pr02cu00104.inbound.protection.outlook.com | ||||||
| A | 52.101.124.117🇯🇵 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-tydpr03cu00105.inbound.protection.outlook.com | ||||||
| A | 52.101.137.0🇸🇬 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-sg2pr03cu00500.inbound.protection.outlook.com | ||||||
| A | 52.101.157.80🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-os8pr02cu00100.inbound.protection.outlook.com | ||||||
| TXT | tvmnt-DRm4aBTI1bOqMDv_OhBWMrCkORJ1KfI2TIVxw | ||||||
| SOA | dns.rocna.edu.twlic@rocna.edu.tw serial=26 | ||||||
edu.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | edudns-m1.edu.tw ⭐ | ||||||
| NS | a.twnic.net.tw ⚠️ 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 | edudns-a2.edu.tw ⚠️ Not in parent delegation | ||||||
| NS | edudns-a3.edu.tw ⚠️ Not in parent delegation | ||||||
| NS | edudns-a4.edu.tw ⚠️ Not in parent delegation | ||||||
| NS | edudns-c1.edu.tw ⚠️ Not in parent delegation | ||||||
| NS | edudns-c2.edu.tw ⚠️ Not in parent delegation | ||||||
| TXT | xE9sqn7Dc5cGrd3WIdhv0NJu8OxT16N9eN7XuvsHa8w | ||||||
| TXT | jamf-site-verification=iTsa5llBeNJPZjx03bOPnQ | ||||||
| TXT | jamf-site-verification=I8coFhzd4itqZ41_16qu6g | ||||||
| SOA | edudns-m1.edu.twabuse@moe.edu.tw serial=2013518791 | ||||||
Subdomains
dns.rocna.edu.tw |
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSdns.rocna.edu.tw2026-05-05 → 2026-05-09 · 2 obs
● 2026-05-05 12:28:24
● 2026-05-09 19:46:28
● 2026-05-09 19:46:28
●MXrocna-edu-tw.mail.protection.outlook.com2026-05-05 → 2026-05-09 · 2 obs
● 2026-05-05 12:28:24
● 2026-05-09 19:46:28
● 2026-05-09 19:46:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| rocna.edu.tw | dns.rocna.edu.tw | 1 record |
✅ Authoritative Response
Server:192.192.178.36
NS records: dns.rocna.edu.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rocna.edu.tw (unsigned zone)
⏱️ Timing
Total: 1106ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 1 | dns.rocna.edu.tw |
| MX | 1 | rocna-edu-tw.mail.protection.outlook.com |
| TXT | 1 | tvmnt-DRm4aBTI1bOqMDv_OhBWMrCkORJ1KfI2TI |
| SOA | 1 | dns.rocna.edu.tw lic.rocna.edu.tw |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (dns.rocna.edu.tw)
Analysis
Hierarchy
rocna.edu.tw is a parent of dns.rocna.edu.tw.
Name Servers
A single name server, dns.rocna.edu.tw, handles the delegation for rocna.edu.tw.
Host dns.rocna.edu.tw points to three IPs: 2001:288:8020:55::253, 172.16.55.253 and 192.192.178.36.
Mail Servers
rocna.edu.tw is handled by a single mail server, rocna-edu-tw.mail.protection.outlook.com.
The host name rocna-edu-tw.mail.protection.outlook.com resolves to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.