hylearning.cn - robtex.com
hylearning.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 168.76.254.204🇿🇦 ASLINE-AS-AP168.76.254.0/24 Proxy-registered route object | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| 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=1774666487 | ||||||
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 serial=2034706305 | ||||||
Subdomains
mail.hylearning.cn |
DNS History
11 records (5 active, 6 former)
○NSgail.ns.cloudflare.com2017-03-16 → 2017-03-16 · 2 obs
○ 2026-04-24 08:46:06
●NSns1.julydns.com2026-04-24 → 2026-04-24 · 2 obs
● 2026-04-24 08:46:06
●NSns2.julydns.com2026-04-24 → 2026-04-24 · 2 obs
● 2026-04-24 08:46:06
○NSsam.ns.cloudflare.com2017-03-16 → 2017-03-16 · 2 obs
○ 2026-04-24 08:46:06
○A104.31.84.972017-03-16 → 2017-03-16 · 2 obs
○ 2026-04-24 08:46:06
○A104.31.85.972017-03-16 → 2017-03-16 · 2 obs
○ 2026-04-24 08:46:06
●A168.76.254.2042026-04-24 → 2026-04-24 · 2 obs
● 2026-04-24 08:46:06
○A2400:cb00:2048:1::681f:54612017-03-16 → 2017-03-16 · 2 obs
○ 2026-04-24 08:46:06
○A2400:cb00:2048:1::681f:55612017-03-16 → 2017-03-16 · 2 obs
○ 2026-04-24 08:46:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| hylearning.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hylearning.cn (unsigned zone)
⏱️ Timing
Total: 2828ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 168.76.254.204 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
Hierarchy
hylearning.cn is the parent of mail.hylearning.cn.
IP Addresses
hylearning.cn resolves to a single IP: 168.76.254.204.
Other host names, for instance d5xt.com, rokh-shoes.com, zjtsg.cn, jk119.cn and reer.junma666.com share IP numbers with hylearning.cn.
Name Servers
hylearning.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
hylearning.cn shares some name servers with other domains, for example juliapi.com, fjhhzsjt.com, jqzkw.com, iaf31933.cn and heyuyan.cn.
Host names with one IP:
ns1.judns.com points to 162.159.27.251
ns2.judns.com points to 162.159.27.251
ns1.julydns.com points to 162.159.48.223
ns2.julydns.com points to 162.159.48.223
Host names pointing to 162.159.27.251: ns1.judns.com and ns2.judns.com
Host names pointing to 162.159.48.223: ns1.julydns.com and ns2.julydns.com