oneclass.tw - dns.ninja

oneclass.tw

DNSSEC🔒 Signed (DS record present)
A8.232.187.136🇺🇸 Google8.232.0.0/15
PTR136.187.232.8.bc.googleusercontent.com
NSns-cloud-c1.googledomains.com
A2001:4860:4802:32::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c1.googledomains.com
A216.239.32.108🇺🇸 Google216.239.32.0/24
PTRns-cloud-c1.googledomains.com
NSns-cloud-c2.googledomains.com
A2001:4860:4802:34::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c2.googledomains.com
A216.239.34.108🇺🇸 Google216.239.34.0/24
PTRns-cloud-c2.googledomains.com
NSns-cloud-c3.googledomains.com
A2001:4860:4802:36::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c3.googledomains.com
A216.239.36.108🇺🇸 Google216.239.36.0/24
PTRns-cloud-c3.googledomains.com
NSns-cloud-c4.googledomains.com
A2001:4860:4802:38::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c4.googledomains.com
A216.239.38.108🇺🇸 Google216.239.38.0/24
PTRns-cloud-c4.googledomains.com
MXoneclass-tw.mail.protection.outlook.com
A2a01:111:f403:cc09::🇸🇬 Microsoft2a01:111:f000::/36
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A2a01:111:f403:cc1a::8🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tydpr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc1f::4🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os8pr02cu00104.inbound.protection.outlook.com
A52.101.124.117🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tydpr03cu00105.inbound.protection.outlook.com
A52.101.137.0🇸🇬 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A52.101.157.80🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os8pr02cu00100.inbound.protection.outlook.com
TXTatlassian-domain-verification=B/Tarujd0do9s7pNRCcjg2/12lRufEaRBD8u95adFM3X/l5...
TXTv=spf1 include:spf.protection.outlook.com -all
TXTgoogle-site-verification=XAHTcR9lEtiUzVR-qp5czgt4Uj2VKtZIKxWTHZ2X5FI
TXTgoogle-site-verification=uBRf3DmpVeKNfoAW-PEwHcQIUZXu80nFue2iVneMnBk
TXTgoogle-gws-recovery-domain-verification=55565705
TXTMS=ms63521652
SOAns-cloud-c1.googledomains.comcloud-dns-hostmaster@google.com serial=1

tw

DNSSEC🔒 Signed (DS record present)
NSa.dns.tw
NSanytld.apnic.net ⚠️ Not in parent delegation
NSb.dns.tw
NSc.dns.tw
NSd.dns.tw
NSe.dns.tw
NSf.dns.tw
NSg.dns.tw
NSh.dns.tw
SOAa.dns.twsnw@twnic.net.tw serial=2011047527

Subdomains

Same first word

Similar names

DNS History

7 records (6 active, 1 former)

NSns-cloud-c1.googledomains.comns-cloud-c2.googledomains.comns-cloud-c3.googledomains.comns-cloud-c4.googledomains.comMXoneclass-tw.mail.protection.outlook.comA8.232.187.13635.234.25.179
NSns-cloud-c1.googledomains.com2026-03-21 → 2026-08-09 · 2 obs
● 2026-03-21 15:24:52
● 2026-08-09 04:09:32
NSns-cloud-c2.googledomains.com2026-03-21 → 2026-08-09 · 2 obs
● 2026-03-21 15:24:52
● 2026-08-09 04:09:32
NSns-cloud-c3.googledomains.com2026-03-21 → 2026-08-09 · 2 obs
● 2026-03-21 15:24:52
● 2026-08-09 04:09:32
NSns-cloud-c4.googledomains.com2026-03-21 → 2026-08-09 · 2 obs
● 2026-03-21 15:24:52
● 2026-08-09 04:09:32
MXoneclass-tw.mail.protection.outlook.com2026-03-21 → 2026-08-09 · 2 obs
● 2026-03-21 15:24:52
● 2026-08-09 04:09:32
A35.234.25.1792026-03-21 → 2026-03-21 · 3 obs
● 2026-03-21 15:24:52
○ 2026-07-14 19:52:32
○ 2026-08-09 04:09:32
A8.232.187.1362026-07-14 → 2026-08-09 · 3 obs
○ 2026-03-21 15:24:52
● 2026-07-14 19:52:32
● 2026-08-09 04:09:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twb.dns.tw, d.dns.tw, f.dns.tw, h.dns.tw...-
oneclass.twns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com-

✅ Authoritative Response

Server:216.239.38.108

NS records: ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1116ms | Queries: -

📄 Records

TypeCountSample Data
A18.232.187.136
NS4ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com...
MX1oneclass-tw.mail.protection.outlook.com
TXT6google-site-verification=XAHTcR9lEtiUzVR, google-site-verification=uBRf3DmpVeKNfoA...
SOA1ns-cloud-c1.googledomains.com cloud-dns-

Analysis

Hierarchy

oneclass-genai-tiku-api-dev.oneclass.tw is delegated beneath oneclass.tw.

IP Addresses

oneclass.tw has exactly one IP address — 8.232.187.136.

Name Servers

Four name servers handle the delegation for oneclass.tw: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

There is at least partial name server overlap between oneclass.tw and other domains — bnouq.com, discovernovaflowapponline.com, homewineandbrew.ca and two more among them.

All four hostnames — ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-c1.googledomains.com to 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com to 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com to 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com to 216.239.38.108 and 2001:4860:4802:38::6c.

Mail Servers

oneclass.tw uses one mail server — oneclass-tw.mail.protection.outlook.com.

oneclass-tw.mail.protection.outlook.com has 6 IP addresses: 52.101.124.117, 52.101.137.0, 52.101.157.80 plus 3 more.