ydahub.tw - robtex.com
ydahub.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:288:0:26::66🇹🇼 ERX-TANET-ASN12001:288::/32 Transit Customer AS1659 (TANet) of EBIX (AS17709) | ||||||
| A | 140.111.26.66🇹🇼 ERX-TANET-ASN1140.110.0.0/15 TANet | ||||||
| NS | edudns-m1.edu.tw ⭐ ⚠️ Not in parent delegation | ||||||
| NS | dns1.yda.gov.tw ⚠️ Not in zone NS records | ||||||
| A | 140.111.26.56🇹🇼 ERX-TANET-ASN1140.110.0.0/15 TANet | ||||||
| PTR | dns1.yda.gov.tw | ||||||
| NS | dns2.yda.gov.tw ⚠️ Not in zone NS records | ||||||
| NS | edudns-a2.edu.tw ⚠️ Not in parent delegation | ||||||
| A | 2001:288:0:34::133🇹🇼 ERX-TANET-ASN12001:288::/32 Transit Customer AS1659 (TANet) of EBIX (AS17709) | ||||||
| PTR | edudns-a2.edu.tw | ||||||
| A | 140.111.34.133🇹🇼 ERX-TANET-ASN1140.110.0.0/15 TANet | ||||||
| PTR | edudns-a2.edu.tw | ||||||
| NS | edudns-a3.edu.tw ⚠️ Not in parent delegation | ||||||
| A | 2001:288:0:34::134🇹🇼 ERX-TANET-ASN12001:288::/32 Transit Customer AS1659 (TANet) of EBIX (AS17709) | ||||||
| PTR | edudns-a3.edu.tw | ||||||
| A | 140.111.34.134🇹🇼 ERX-TANET-ASN1140.110.0.0/15 TANet | ||||||
| PTR | edudns-a3.edu.tw | ||||||
| NS | edudns-a4.edu.tw ⚠️ Not in parent delegation | ||||||
| A | 2001:288:0:34::136🇹🇼 ERX-TANET-ASN12001:288::/32 Transit Customer AS1659 (TANet) of EBIX (AS17709) | ||||||
| PTR | edudns-a4.edu.tw | ||||||
| A | 140.111.34.136🇹🇼 ERX-TANET-ASN1140.110.0.0/15 TANet | ||||||
| PTR | edudns-a4.edu.tw | ||||||
| NS | edudns-c1.edu.tw ⚠️ Not in parent delegation | ||||||
| NS | edudns-c2.edu.tw ⚠️ Not in parent delegation | ||||||
| A | 140.111.233.4🇹🇼 ERX-TANET-ASN1140.110.0.0/15 TANet | ||||||
| PTR | edudns-c2.edu.tw | ||||||
| NS | ns1.ydahub.tw ⚠️ Not in zone NS records | ||||||
| NS | ns2.ydahub.tw ⚠️ Not in zone NS records | ||||||
| MX | ms.ydahub.tw ⭐ | ||||||
| TXT | google-site-verification=63GASjvXCpx8bA-kIJbqygsWuY21VCeMZ9oJ0K5skNM | ||||||
| SOA | edudns-m1.edu.twdns2@yda.gov.tw serial=7071838 | ||||||
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw 2011-01-24 #6 | ||||||
Same first word
ydahub.tw |
Similar names
dayhub.io |
hadbuy.com |
dayuhb.com |
hudbay.com.cn |
hudbay.org |
yudahb.com |
dayhub.blogspot.com.ng |
hbyadu.com |
hudbay.com.br |
dhabuy.com |
dayhub.me |
hudbay.co |
buhday.ru |
bahudy.com |
yaduhb.com |
DNS History
13 records (13 active, 0 former)
●NSdns1.yda.gov.tw2018-08-16 → 2026-05-15 · 2 obs
● 2026-05-15 07:52:06
●NSdns2.yda.gov.tw2018-08-16 → 2026-05-15 · 2 obs
● 2026-05-15 07:52:06
●NSedudns-a2.edu.tw2026-02-20 → 2026-05-15 · 3 obs
● 2026-02-20 08:01:16
● 2026-05-15 07:52:06
●NSedudns-a3.edu.tw2026-02-20 → 2026-05-15 · 3 obs
● 2026-02-20 08:01:16
● 2026-05-15 07:52:06
●NSedudns-a4.edu.tw2026-02-20 → 2026-05-15 · 3 obs
● 2026-02-20 08:01:16
● 2026-05-15 07:52:06
●NSedudns-c1.edu.tw2026-02-20 → 2026-05-15 · 3 obs
● 2026-02-20 08:01:16
● 2026-05-15 07:52:06
●NSedudns-c2.edu.tw2026-02-20 → 2026-05-15 · 3 obs
● 2026-02-20 08:01:16
● 2026-05-15 07:52:06
●NSedudns-m1.edu.tw2026-02-20 → 2026-05-15 · 3 obs
● 2026-02-20 08:01:16
● 2026-05-15 07:52:06
●NSns1.ydahub.tw2026-02-20 → 2026-05-15 · 3 obs
● 2026-02-20 08:01:16
● 2026-05-15 07:52:06
●NSns2.ydahub.tw2026-02-20 → 2026-05-15 · 3 obs
● 2026-02-20 08:01:16
● 2026-05-15 07:52:06
●MXms.ydahub.tw2018-08-16 → 2026-05-15 · 2 obs
● 2026-05-15 07:52:06
●A140.111.26.662018-08-16 → 2026-05-15 · 2 obs
● 2026-05-15 07:52:06
●A2001:288:0:26::662018-08-16 → 2026-05-15 · 2 obs
● 2026-05-15 07:52:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | d.dns.tw, g.dns.tw, a.dns.tw, b.dns.tw... | - |
| ydahub.tw | ns2.ydahub.tw, ns1.ydahub.tw, dns2.yda.gov.tw, dns1.yda.gov.tw | 2 records |
✅ Authoritative Response
Server:140.111.34.134
NS records: ns2.ydahub.tw, ns1.ydahub.tw, dns2.yda.gov.tw, dns1.yda.gov.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ydahub.tw (unsigned zone)
⏱️ Timing
Total: 2123ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.111.26.66 |
| AAAA | 1 | 2001:288:0:26::66 |
| NS | 6 | edudns-a2.edu.tw, edudns-c1.edu.tw... |
| MX | 1 | ms.ydahub.tw (pri: 20) |
| TXT | 1 | google-site-verification=63GASjvXCpx8bA- |
| SOA | 1 | edudns-m1.edu.tw dns2.yda.gov.tw |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns2.ydahub.tw, ns1.ydahub.tw)
Analysis
IP Addresses
ydahub.tw resolves to two IPs: 2001:288:0:26::66 and 140.111.26.66.
Name Servers
ydahub.tw is delegated to ten name servers: edudns-a2.edu.tw, edudns-a3.edu.tw, edudns-a4.edu.tw, edudns-c1.edu.tw, edudns-c2.edu.tw, edudns-m1.edu.tw, ns1.ydahub.tw, ns2.ydahub.tw, dns1.yda.gov.tw and dns2.yda.gov.tw.
ydahub.tw at least partially shares name servers with other domains, for instance ece.moe.edu.tw, 64.203.in-addr.arpa, nstm.gov.tw, moe.gov.tw and go.edu.tw.
These name servers are commonly used with the name servers moemoon.edu.tw, moestar.edu.tw, edudns-a1.edu.tw, moevax.edu.tw, edudns-m2.edu.tw, ns.twnic.net, moesun.edu.tw, edudns-r1.edu.tw and edudns-r2.edu.tw.
Host names with two IP numbers:
edudns-a2.edu.tw points to 2001:288:0:34::133 and 140.111.34.133
edudns-a3.edu.tw points to 2001:288:0:34::134 and 140.111.34.134
edudns-a4.edu.tw points to 2001:288:0:34::136 and 140.111.34.136
Host names with one IP number:
edudns-c2.edu.tw points to 140.111.233.4
dns1.yda.gov.tw points to 140.111.26.56