sfzhang.com - robtex.com
sfzhang.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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=1757403054 | ||||||
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=1774631462 | ||||||
Same first word
sfzhang.com |
Similar names
DNS History
14 records (2 active, 12 former)
○NSdns11.parkpage.foundationapi.com2016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-04 01:26:12
● 2016-03-18 12:16:10
○ 2016-07-17 19:11:40
○ 2026-03-27 17:25:30
● 2016-03-18 12:16:10
○ 2016-07-17 19:11:40
○ 2026-03-27 17:25:30
○NSdns12.parkpage.foundationapi.com2016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-04 01:26:12
● 2016-03-18 12:16:10
○ 2016-07-17 19:11:40
○ 2026-03-27 17:25:30
● 2016-03-18 12:16:10
○ 2016-07-17 19:11:40
○ 2026-03-27 17:25:30
○NSdns9.parkpage.foundationapi.com2016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-04 01:26:12
● 2016-03-18 12:16:10
○ 2016-07-17 19:11:40
○ 2026-03-27 17:25:30
● 2016-03-18 12:16:10
○ 2016-07-17 19:11:40
○ 2026-03-27 17:25:30
○NSf1g1ns1.dnspod.net2015-08-19 → 2015-12-04 · 4 obs
● 2015-08-19 00:59:26
● 2015-12-04 01:26:12
○ 2016-03-18 12:16:10
○ 2026-03-27 17:25:30
● 2015-12-04 01:26:12
○ 2016-03-18 12:16:10
○ 2026-03-27 17:25:30
○NSf1g1ns2.dnspod.net2015-08-19 → 2015-12-04 · 4 obs
● 2015-08-19 00:59:26
● 2015-12-04 01:26:12
○ 2016-03-18 12:16:10
○ 2026-03-27 17:25:30
● 2015-12-04 01:26:12
○ 2016-03-18 12:16:10
○ 2026-03-27 17:25:30
●NSns1.nowcndns.com2026-03-27 → 2026-03-27 · 3 obs
○ 2017-04-04 18:29:34
● 2026-03-27 17:25:26
● 2026-03-27 17:25:30
● 2026-03-27 17:25:26
● 2026-03-27 17:25:30
●NSns2.nowcndns.com2026-03-27 → 2026-03-27 · 3 obs
○ 2017-04-04 18:29:34
● 2026-03-27 17:25:26
● 2026-03-27 17:25:30
● 2026-03-27 17:25:26
● 2026-03-27 17:25:30
○NSv1s1.xundns.com2016-07-17 → 2017-04-04 · 5 obs
○ 2016-03-18 12:16:10
● 2016-07-17 19:11:40
● 2017-04-04 18:29:34
○ 2026-03-27 17:25:26
○ 2026-03-27 17:25:30
● 2016-07-17 19:11:40
● 2017-04-04 18:29:34
○ 2026-03-27 17:25:26
○ 2026-03-27 17:25:30
○NSv1s2.xundns.com2016-07-17 → 2017-04-04 · 5 obs
○ 2016-03-18 12:16:10
● 2016-07-17 19:11:40
● 2017-04-04 18:29:34
○ 2026-03-27 17:25:26
○ 2026-03-27 17:25:30
● 2016-07-17 19:11:40
● 2017-04-04 18:29:34
○ 2026-03-27 17:25:26
○ 2026-03-27 17:25:30
○A115.231.26.1682015-12-04 → 2015-12-04 · 4 obs
○ 2015-08-19 00:59:26
● 2015-12-04 01:26:12
○ 2016-03-18 12:16:10
○ 2026-03-27 17:25:30
● 2015-12-04 01:26:12
○ 2016-03-18 12:16:10
○ 2026-03-27 17:25:30
○A115.231.26.562015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 00:59:26
○ 2015-12-04 01:26:12
○ 2026-03-27 17:25:30
○ 2015-12-04 01:26:12
○ 2026-03-27 17:25:30
○A183.2.236.72016-07-17 → 2016-07-17 · 4 obs
○ 2016-03-18 12:16:10
● 2016-07-17 19:11:40
○ 2017-04-04 18:29:34
○ 2026-03-27 17:25:30
● 2016-07-17 19:11:40
○ 2017-04-04 18:29:34
○ 2026-03-27 17:25:30
○A209.99.40.2232016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-04 01:26:12
● 2016-03-18 12:16:10
○ 2016-07-17 19:11:40
○ 2026-03-27 17:25:30
● 2016-03-18 12:16:10
○ 2016-07-17 19:11:40
○ 2026-03-27 17:25:30
○A43.227.192.1872017-04-04 → 2017-04-04 · 4 obs
○ 2016-07-17 19:11:40
● 2017-04-04 18:29:34
○ 2026-03-27 17:25:26
○ 2026-03-27 17:25:30
● 2017-04-04 18:29:34
○ 2026-03-27 17:25:26
○ 2026-03-27 17:25:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sfzhang.com | ns1.nowcndns.com, ns2.nowcndns.com | 6 records |
✅ Authoritative Response
Server:1.193.216.204
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfzhang.com (unsigned zone)
⏱️ Timing
Total: 3534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.nowcndns.com, ns1.nowcndns.com, ns1.nowcndns.com...)
Analysis
Name Servers
sfzhang.com's delegation uses two name servers, ns1.nowcndns.com and ns2.nowcndns.com.
sfzhang.com shares the same name server setup as other domains, for example gbev.cn, ucmart.cn, just4exam.com.cn, dwsun.com and ejam.cn.
Host names with three IPs:
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