opensource.cool - dns.ninja
opensource.cool
cool
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.cool ⭐ | ||||||
| NS | v0n1.nic.cool | ||||||
| NS | v0n2.nic.cool | ||||||
| NS | v0n3.nic.cool | ||||||
| NS | v2n0.nic.cool | ||||||
| NS | v2n1.nic.cool | ||||||
| SOA | v0n0.nic.coolhostmaster@donuts.email serial=1785847454 | ||||||
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
●NSn1.xundns.com2026-03-28 → 2026-08-04 · 3 obs
● 2026-03-28 15:44:22
● 2026-08-04 12:55:08
●NSn2.xundns.com2026-03-28 → 2026-08-04 · 3 obs
● 2026-03-28 15:44:22
● 2026-08-04 12:55:08
○NSns1.blacknight.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-03-28 15:44:22
○ 2026-08-04 12:55:08
○NSns2.blacknight.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-03-28 15:44:22
○ 2026-08-04 12:55:08
○NSns3.blacknight.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-03-28 15:44:22
○ 2026-08-04 12:55:08
○NSns4.blacknight.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-03-28 15:44:22
○ 2026-08-04 12:55:08
○MXmail.opensource.cool2016-12-10 → 2016-12-10 · 3 obs
○ 2026-03-28 15:44:22
○ 2026-08-04 12:55:08
●MXmxbiz1.qq.com2026-03-28 → 2026-08-04 · 6 obs
● 2026-03-28 15:44:22
● 2026-06-03 08:17:26
○ 2026-06-07 10:39:18
● 2026-08-02 17:37:52
● 2026-08-04 12:55:08
●MXmxbiz2.qq.com2026-03-28 → 2026-08-04 · 6 obs
● 2026-03-28 15:44:22
● 2026-06-03 08:17:26
○ 2026-06-07 10:39:18
● 2026-08-02 17:37:52
● 2026-08-04 12:55:08
○A52.16.198.1192016-12-10 → 2016-12-10 · 3 obs
○ 2026-03-28 15:44:22
○ 2026-08-04 12:55:08
○A82.156.48.482026-03-28 → 2026-05-09 · 5 obs
● 2026-03-28 15:44:22
● 2026-05-09 17:07:02
○ 2026-06-03 08:17:26
○ 2026-08-04 12:55:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cool | v2n0.nic.cool, v0n0.nic.cool, v0n2.nic.cool, v0n1.nic.cool... | 12 records |
| opensource.cool | n1.xundns.com, n2.xundns.com | - |
✅ Authoritative Response
Server:42.240.163.163
NS records: n1.xundns.com, n2.xundns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensource.cool (unsigned zone)
⏱️ Timing
Total: 1017ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | n1.xundns.com, n2.xundns.com |
| MX | 2 | mxbiz1.qq.com (pri: 10), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | n1.xundns.com nsadmin.xundns.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v2n1.nic.cool, v2n0.nic.cool, v0n3.nic.cool...)
Analysis
Name Servers
The NS records for opensource.cool delegate to n1.xundns.com and n2.xundns.com.
opensource.cool uses the same name servers as several other domains — among them hymzzhsq.com, szaibei.com, 08cb1dcfe9e235f9.com and two more.
The name servers of opensource.cool overlap at least partially with those of other domains — among them mgskfjfod14.com, 156tyc.com, wendysimmonsphotography.com and two more.
These name servers commonly appear alongside the name servers v1s1.xundns.com and v1s2.xundns.com.
Hostnames that resolve to 6 IP addresses:
n2.xundns.com maps to 61.163.30.181, 122.114.39.7, 169.197.142.81 and 3 additional IP addresses.
Hostnames pointing to five IP numbers:
n1.xundns.com resolves to four IP addresses: 38.89.70.107, 42.240.163.163, 111.6.96.27 and two others.
Mail Servers
Mail for opensource.cool is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.
opensource.cool uses an identical mail server configuration to several other domains — among them cfcity.cn, yzyss.cn, cxgame.net and two more.
opensource.cool has at least partial mail server overlap with other domains such as gayusan.com, ztwhox-tw.asia, whyatsoft.com and two more.
The mail servers mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com are commonly used alongside these mail servers.