sy33.cn - robtex.com
sy33.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 23.225.248.130🇺🇸 CNSERVERSLLC23.225.248.0/24 | ||||||
| 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.onclouddns.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 | ||||||
| NS | ns2.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1780225515 | ||||||
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=2035058366 | ||||||
Subdomains
www.sy33.cn |
Same first word
sy33.cn |
Similar names
DNS History
20 records (5 active, 15 former)
○NSdns10.hichina.com2016-03-18 → 2017-03-26 · 5 obs
● 2016-03-18 05:22:04
● 2017-03-26 10:00:48
○ 2020-03-08 23:04:48
○ 2026-07-19 01:59:26
○NSdns9.hichina.com2016-03-18 → 2017-03-26 · 5 obs
● 2016-03-18 05:22:04
● 2017-03-26 10:00:48
○ 2020-03-08 23:04:48
○ 2026-07-19 01:59:26
○NSns1.72dns.com2015-08-14 → 2015-12-07 · 4 obs
● 2015-12-07 05:21:16
○ 2016-03-18 05:22:04
○ 2026-07-19 01:59:26
●NSns1.julydns.com2026-06-03 → 2026-07-19 · 3 obs
● 2026-06-03 11:36:04
● 2026-07-19 01:59:26
○NSns1.myhostadmin.net2020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 23:04:48
○ 2026-04-23 01:51:54
○ 2026-07-19 01:59:26
●NSns1.onclouddns.com2026-06-03 → 2026-07-19 · 3 obs
● 2026-06-03 11:36:04
● 2026-07-19 01:59:26
○NSns2.idc1.cn2015-08-14 → 2015-12-07 · 4 obs
● 2015-12-07 05:21:16
○ 2016-03-18 05:22:04
○ 2026-07-19 01:59:26
●NSns2.julydns.com2026-06-03 → 2026-07-19 · 3 obs
● 2026-06-03 11:36:04
● 2026-07-19 01:59:26
○NSns2.myhostadmin.net2020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 23:04:48
○ 2026-04-23 01:51:54
○ 2026-07-19 01:59:26
●NSns2.onclouddns.com2026-06-03 → 2026-07-19 · 3 obs
● 2026-06-03 11:36:04
● 2026-07-19 01:59:26
○NSns3.myhostadmin.net2020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 23:04:48
○ 2026-04-23 01:51:54
○ 2026-07-19 01:59:26
○NSns4.myhostadmin.net2020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 23:04:48
○ 2026-04-23 01:51:54
○ 2026-07-19 01:59:26
○NSns5.myhostadmin.net2020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 23:04:48
○ 2026-04-23 01:51:54
○ 2026-07-19 01:59:26
○NSns6.myhostadmin.net2020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 23:04:48
○ 2026-04-23 01:51:54
○ 2026-07-19 01:59:26
○A103.24.92.2332015-08-14 → 2015-08-14 · 3 obs
○ 2015-12-07 05:21:16
○ 2026-07-19 01:59:26
○A218.30.35.832015-12-07 → 2015-12-07 · 4 obs
● 2015-12-07 05:21:16
○ 2016-03-18 05:22:04
○ 2026-07-19 01:59:26
○A23.224.147.1622020-03-08 → 2020-03-08 · 4 obs
● 2020-03-08 23:04:48
○ 2026-04-23 01:51:54
○ 2026-07-19 01:59:26
●A23.225.248.1302026-06-03 → 2026-07-19 · 3 obs
● 2026-06-03 11:36:04
● 2026-07-19 01:59:26
○A6718:5ce9::2015-08-14 → 2015-08-14 · 3 obs
○ 2015-12-07 05:21:16
○ 2026-07-19 01:59:26
○Ada1e:2353::2015-12-07 → 2015-12-07 · 4 obs
● 2015-12-07 05:21:16
○ 2016-03-18 05:22:04
○ 2026-07-19 01:59:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, e.dns.cn, c.dns.cn, d.dns.cn... | - |
| sy33.cn | ns1.onclouddns.com, ns2.onclouddns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.onclouddns.com, ns2.onclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sy33.cn (unsigned zone)
⏱️ Timing
Total: 898ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.225.248.130 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
Hierarchy
sy33.cn serves as the parent of www.sy33.cn.
IP Addresses
sy33.cn directs to one IP number, which is 23.225.248.130.
66720.com, www.sy33.cn and www.66720.com are examples of other host names that share IP numbers with sy33.cn.
Name Servers
The domain sy33.cn is delegated to these four name servers: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
sy33.cn has at least partial name server overlap with other domains, such as cd0319.com, fzpika.com, bigh.cn and two others.
It is common to see these name servers used together with name servers ns1.judns.com and ns2.judns.com.
Each of ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com has a single IP address — ns1.julydns.com and ns2.julydns.com direct to 162.159.48.223, and ns1.onclouddns.com and ns2.onclouddns.com direct to 162.159.27.251.
ns1.julydns.com and ns2.julydns.com each have 162.159.48.223 IP addresses.
ns1.onclouddns.com and ns2.onclouddns.com each have 162.159.27.251 IP addresses.