sycd23.cn - robtex.com
sycd23.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.56.109.57🇺🇸 USZNI-AS-AP207.56.64.0/18 | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1761320713 | ||||||
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=2034592613 | ||||||
Same first word
sycd23.cn |
DNS History
13 records (3 active, 10 former)
○NSns1.51dns.com2015-06-24 → 2016-02-07 · 4 obs
● 2015-06-24 09:00:06
● 2016-02-07 02:12:32
○ 2017-01-20 13:55:10
○ 2026-03-27 08:18:40
● 2016-02-07 02:12:32
○ 2017-01-20 13:55:10
○ 2026-03-27 08:18:40
○NSns1.myhostadmin.net2018-08-21 → 2018-08-21 · 3 obs
○ 2017-01-20 13:55:10
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
●NSns1.nowcndns.com2026-03-27 → 2026-03-27 · 2 obs
○ 2018-08-21 12:56:58
● 2026-03-27 08:18:40
● 2026-03-27 08:18:40
○NSns2.51dns.com2015-11-03 → 2016-02-07 · 5 obs
○ 2015-06-24 09:00:06
● 2015-11-03 11:13:34
● 2016-02-07 02:12:32
○ 2017-01-20 13:55:10
○ 2026-03-27 08:18:40
● 2015-11-03 11:13:34
● 2016-02-07 02:12:32
○ 2017-01-20 13:55:10
○ 2026-03-27 08:18:40
○NSns2.myhostadmin.net2018-08-21 → 2018-08-21 · 3 obs
○ 2017-01-20 13:55:10
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
●NSns2.nowcndns.com2026-03-27 → 2026-03-27 · 2 obs
○ 2018-08-21 12:56:58
● 2026-03-27 08:18:40
● 2026-03-27 08:18:40
○NSns3.myhostadmin.net2018-08-21 → 2018-08-21 · 3 obs
○ 2017-01-20 13:55:10
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
○NSns4.myhostadmin.net2018-08-21 → 2018-08-21 · 3 obs
○ 2017-01-20 13:55:10
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
○NSns5.myhostadmin.net2018-08-21 → 2018-08-21 · 3 obs
○ 2017-01-20 13:55:10
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
○NSns6.myhostadmin.net2018-08-21 → 2018-08-21 · 3 obs
○ 2017-01-20 13:55:10
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
○A156.232.212.1872018-08-21 → 2018-08-21 · 3 obs
○ 2017-01-20 13:55:10
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
● 2018-08-21 12:56:58
○ 2026-03-27 08:18:40
●A207.56.109.572026-03-27 → 2026-03-27 · 2 obs
○ 2018-08-21 12:56:58
● 2026-03-27 08:18:40
● 2026-03-27 08:18:40
○A23.225.188.1782015-06-24 → 2016-02-07 · 4 obs
● 2015-06-24 09:00:06
● 2016-02-07 02:12:32
○ 2017-01-20 13:55:10
○ 2026-03-27 08:18:40
● 2016-02-07 02:12:32
○ 2017-01-20 13:55:10
○ 2026-03-27 08:18:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| sycd23.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:218.98.111.138
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sycd23.cn (unsigned zone)
⏱️ Timing
Total: 1736ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.56.109.57 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
sycd23.cn maps to IP address 207.56.109.57.
Other host names for instance rfhf.com.cn and www.rfhf.com.cn share IP numbers with sycd23.cn.
Name Servers
Two name servers ns1.nowcndns.com and ns2.nowcndns.com are delegated to sycd23.cn.
sycd23.cn uses the same name server configuration as other domains, such as yw61.cn, flyts.cn, idd.net.cn, mimizhao.cn and ok-center.cn.
Host names with three IP numbers:
ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.