coursewareskill.com - dns.ninja
coursewareskill.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.136.138.171🇨🇳 CHINATELECOM-ZHEJIANG-NINGBO-IDC183.136.138.0/24 Chinanet-NingBo-IDC | ||||||
| NS | ns1.julydns.com ⭐ | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1784360499 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785984414 | ||||||
Same first word
coursewareskill.com |
DNS History
7 records (3 active, 4 former)
○NSa.share-dns.com2026-04-02 → 2026-04-02 · 3 obs
○ 2026-08-06 02:57:22
○ 2026-08-06 02:57:28
○NSb.share-dns.net2026-04-02 → 2026-04-02 · 3 obs
○ 2026-08-06 02:57:22
○ 2026-08-06 02:57:28
●NSns1.julydns.com2026-08-06 → 2026-08-06 · 3 obs
● 2026-08-06 02:57:22
● 2026-08-06 02:57:28
●NSns2.julydns.com2026-08-06 → 2026-08-06 · 3 obs
● 2026-08-06 02:57:22
● 2026-08-06 02:57:28
○A103.21.90.2172026-04-02 → 2026-04-02 · 3 obs
○ 2026-08-06 02:57:22
○ 2026-08-06 02:57:28
●A183.136.138.1712026-08-06 → 2026-08-06 · 3 obs
● 2026-08-06 02:57:22
● 2026-08-06 02:57:28
○A23.110.44.1192026-04-02 → 2026-08-06 · 2 obs
○ 2026-08-06 02:57:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| coursewareskill.com | ns1.julydns.com, ns2.julydns.com | 2 records |
✅ Authoritative Response
Server:162.159.48.223
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursewareskill.com (unsigned zone)
⏱️ Timing
Total: 385ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.136.138.171 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.julydns.com, ns2.julydns.com)
Analysis
IP Addresses
coursewareskill.com resolves to one IP address: 183.136.138.171.
lamadby.com, fangbaobancj.com, anhct.com and two other host names share IP numbers with coursewareskill.com.
Name Servers
coursewareskill.com uses two name servers for its delegation: ns1.julydns.com and ns2.julydns.com.
coursewareskill.com uses the same name servers as several other domains — among them cqruoen.com, wxd6s.com, a7fa9a912d.top and two more.
coursewareskill.com has at least partial name server overlap with other domains, such as rxbtjire.cn, guoji-edu.cn, lsdwmall.com and two others.
It is common to find these name servers paired with the name servers ns1.judns.com, ns2.judns.com, ns1.onclouddns.com and ns2.onclouddns.com.
ns1.julydns.com resolves to 162.159.48.223; ns2.julydns.com resolves to the same IP address, 162.159.48.223.
Both ns1.julydns.com and ns2.julydns.com resolve to 162.159.48.223 IP addresses each.