study123.com.tw - dns.ninja
study123.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | cns1.net-chinese.com.tw ⭐ | ||||||
| A | 34.81.16.85🇹🇼 Google34.81.16.0/20 | ||||||
| PTR | 85.16.81.34.bc.googleusercontent.com | ||||||
| NS | cns2.net-chinese.com.tw | ||||||
| A | 104.199.229.182🇹🇼 Google104.199.224.0/20 | ||||||
| PTR | 182.229.199.104.bc.googleusercontent.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| A | 2607:f8b0:4004:c07::1b🇺🇸 Google2607:f8b0:4004::/48 | ||||||
| PTR | bc-in-f27.1e100.net | ||||||
| A | 172.253.62.26🇺🇸 Google172.253.62.0/24 | ||||||
| PTR | bc-in-f26.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com(20) | ||||||
| A | 2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48 | ||||||
| A | 108.177.123.27🇺🇸 Google108.177.123.0/24 | ||||||
| PTR | lcscld-in-f27.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com(30) | ||||||
| A | 2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48 | ||||||
| PTR | dj-in-f26.1e100.net | ||||||
| A | 172.253.116.27🇺🇸 Google172.253.116.0/24 | ||||||
| PTR | dj-in-f27.1e100.net | ||||||
| TXT | 8j9a87apdu2r9hl1q7bn0jejdl | ||||||
| SOA | cns1.net-chinese.com.twabuse@digiage.com.tw 2014-03-10 #23 | ||||||
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=2006389777 | ||||||
Same first word
study123.com.tw |
Similar names
DNS History
5 records (5 active, 0 former)
●NScns1.net-chinese.com.tw2018-05-06 → 2026-08-06 · 2 obs
● 2026-08-06 17:27:46
●NScns2.net-chinese.com.tw2018-05-06 → 2026-08-06 · 2 obs
● 2026-08-06 17:27:46
●MXalt1.aspmx.l.google.com2018-05-06 → 2026-08-06 · 2 obs
● 2026-08-06 17:27:46
●MXalt2.aspmx.l.google.com2018-05-06 → 2026-08-06 · 2 obs
● 2026-08-06 17:27:46
●MXaspmx.l.google.com2018-05-06 → 2026-08-06 · 2 obs
● 2026-08-06 17:27:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | h.dns.tw, e.dns.tw, g.dns.tw, b.dns.tw... | 15 records |
| com.tw | g.twnic.net.tw, h.twnic.net.tw, e.twnic.net.tw, b.twnic.net.tw... | 17 records |
| study123.com.tw | cns1.net-chinese.com.tw, cns2.net-chinese.com.tw | 2 records |
✅ Authoritative Response
Server:34.81.16.85
NS records: cns1.net-chinese.com.tw, cns2.net-chinese.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for study123.com.tw (unsigned zone)
⏱️ Timing
Total: 1175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | cns2.net-chinese.com.tw, cns1.net-chinese.com.tw |
| MX | 3 | alt2.aspmx.l.google.com (pri: 30), aspmx.l.google.com (pri: 10)... |
| TXT | 1 | 8j9a87apdu2r9hl1q7bn0jejdl |
| SOA | 1 | cns1.net-chinese.com.tw abuse.digiage.co |
📌 Glue Records Collected
Total: 34
In-bailiwick: 13 (h.dns.tw, g.dns.tw, f.dns.tw...)
Out-of-bailiwick: 21 (anytld.apnic.net, anytld.apnic.net, h.twnic.net.tw...)
Analysis
Name Servers
study123.com.tw uses two name servers for its delegation: cns1.net-chinese.com.tw and cns2.net-chinese.com.tw.
study123.com.tw shares its NS records with other domains, for example download.com.tw, meanhome.com.tw, fuming.tw and two others.
cns1.net-chinese.com.tw → 34.81.16.85 and cns2.net-chinese.com.tw → 104.199.229.182: one IP number per host name.
Mail Servers
Incoming mail for study123.com.tw is delivered via three mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
There is at least a partial MX overlap between study123.com.tw and other domains, including ns500731.ns500731.ns500671.ns500754.ns500742.ns500671.ns500705.ns500704.ns500705.ns500291.ns500291.ns500671.ns500291.ns500291.ns500131.lustychickser.com, ns500698.ns500759.ns500759.ns500758.ns500736.ns500736.ns500736.ns500576.ns500708.ns500576.ns500576.ns500652.ns500619.ns500619.trackreceptor.com, ns500698.ns500759.ns500759.ns500698.ns500759.ns500735.ns500735.ns500735.ns500735.ns500576.ns500698.ns500698.ns500619.ns500686.ns500619.ns500576.trackreceptor.com and two others.
These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.
aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com all resolve to exactly two IP numbers apiece: aspmx.l.google.com → 172.253.62.26 and 2607:f8b0:4004:c07::1b; alt1.aspmx.l.google.com → 108.177.123.27 and 2800:3f0:4003:c0f::1a; alt2.aspmx.l.google.com → 172.253.116.27 and 2a00:1450:400b:c02::1a.