programming.cn - dns.ninja
programming.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.20.84.62🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-84-62.compute-1.amazonaws.com | ||||||
| NS | ns1.atom.com ⭐ | ||||||
| A | 44.219.81.145🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix | ||||||
| PTR | ec2-44-219-81-145.compute-1.amazonaws.com | ||||||
| NS | ns2.atom.com | ||||||
| A | 50.19.240.86🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix | ||||||
| PTR | ec2-50-19-240-86.compute-1.amazonaws.com | ||||||
| SOA | ns1.atom.comhostmaster@programming.cn 2025-07-22 #3 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn 2035-08-28 #65 | ||||||
Subdomains
Same first word
Similar names
DNS History
17 records (3 active, 14 former)
○NSbuy.internettraffic.com2015-10-17 → 2016-04-13 · 5 obs
● 2015-10-17 10:18:20
● 2016-04-13 12:20:40
○ 2016-12-30 23:29:04
○ 2026-07-24 07:35:10
○NSdns.namescout.com2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-17 10:18:20
○ 2026-07-24 07:35:10
○NSdns2.namescout.com2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-17 10:18:20
○ 2026-07-24 07:35:10
○NSns1.afternic.com2026-02-17 → 2026-02-17 · 3 obs
● 2026-02-17 04:39:02
○ 2026-07-24 07:35:10
○NSns1.uniregistrymarket.link2016-12-30 → 2017-12-16 · 5 obs
● 2016-12-30 23:29:04
● 2017-12-16 12:55:20
○ 2026-02-17 04:39:02
○ 2026-07-24 07:35:10
○NSns2.afternic.com2026-02-17 → 2026-02-17 · 3 obs
● 2026-02-17 04:39:02
○ 2026-07-24 07:35:10
○NSns2.uniregistrymarket.link2016-12-30 → 2017-12-16 · 5 obs
● 2016-12-30 23:29:04
● 2017-12-16 12:55:20
○ 2026-02-17 04:39:02
○ 2026-07-24 07:35:10
○NSsell.internettraffic.com2015-10-17 → 2016-04-13 · 5 obs
● 2015-10-17 10:18:20
● 2016-04-13 12:20:40
○ 2016-12-30 23:29:04
○ 2026-07-24 07:35:10
○MXloopback.namescout.com2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-17 10:18:20
○ 2026-07-24 07:35:10
○A13.248.169.482026-02-17 → 2026-07-08 · 5 obs
● 2026-02-17 04:39:02
○ 2026-07-07 11:47:06
● 2026-07-08 09:38:58
○ 2026-07-24 07:35:10
●A52.20.84.622026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 07:35:10
○A54.208.19.1972015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-17 10:18:20
○ 2026-07-24 07:35:10
○A69.172.201.1532016-12-30 → 2017-12-16 · 5 obs
● 2016-12-30 23:29:04
● 2017-12-16 12:55:20
○ 2026-02-17 04:39:02
○ 2026-07-24 07:35:10
○A69.172.201.2082015-10-17 → 2016-04-13 · 5 obs
● 2015-10-17 10:18:20
● 2016-04-13 12:20:40
○ 2016-12-30 23:29:04
○ 2026-07-24 07:35:10
○A76.223.54.1462026-02-17 → 2026-07-08 · 5 obs
● 2026-02-17 04:39:02
○ 2026-07-07 11:47:06
● 2026-07-08 09:38:58
○ 2026-07-24 07:35:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, a.dns.cn, b.dns.cn... | - |
| programming.cn | ns1.atom.com, ns2.atom.com | - |
✅ Authoritative Response
Server:50.19.240.86
NS records: ns1.atom.com, ns2.atom.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for programming.cn (unsigned zone)
⏱️ Timing
Total: 200ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.20.84.62 |
| NS | 2 | ns2.atom.com, ns1.atom.com |
| SOA | 1 | ns1.atom.com hostmaster.programming.cn |
Analysis
Hierarchy
programming.cn serves as the parent of hotmail.programming.cn and mail.programming.cn.
IP Addresses
programming.cn has exactly one IP address — 52.20.84.62.
zoomed.io, curlx.com, flushreal.com plus two other host names have IP numbers in common with programming.cn.
Name Servers
programming.cn is served by two delegated name servers, ns1.atom.com and ns2.atom.com.
The name server configuration of programming.cn is shared with other domains, for instance sip.cool, firecomfort.com, skyboards.co and two others.
programming.cn shares at least some of its name servers with domains including podolica.com, matyel.com and adfinances.com
These name servers are frequently seen alongside the name servers verification-refeskkalf4qgvebx3uk7a.ns101.verify.hn.
ns1.atom.com and ns2.atom.com each resolve to one IP number: ns1.atom.com points to 44.219.81.145 and ns2.atom.com points to 50.19.240.86.