csyhedu.com - robtex.com
csyhedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.244.226.97🇺🇸 GNET-AS9294156.244.224.0/20 | ||||||
| NS | ns1.domainnamedns.com ⭐ | ||||||
| A | 2604:86c0:6001:14::d86a:b99c🇺🇸 AS630232604:86c0:6000::/36 GTHOST-SCL | ||||||
| A | 216.106.185.75🇺🇸 AS63023216.106.185.0/24 GTHost | ||||||
| PTR | 75-185-106-216.clients.gthost.com | ||||||
| NS | ns2.domainnamedns.com | ||||||
| A | 2604:86c0:2001:6::2672:72b7🇺🇸 AS630232604:86c0:2000::/36 GTHOST-LAX | ||||||
| A | 38.114.114.183🇨🇦 AS6302338.114.114.0/24 Route Registered for Cogent Communications Customer GLOBALTELEHOST CORP. | ||||||
| PTR | 183-114-114-38.clients.gthost.com | ||||||
| NS | ns3.domainnamedns.com ⚠️ Not in parent delegation | ||||||
| A | 2406:da18:e80:ec00:7b68:89e5:1ce1:c481🇸🇬 Amazon2406:da18:c00::/38 AWS | ||||||
| A | 54.151.142.119🇸🇬 Amazon54.151.128.0/17 SIN prefix | ||||||
| PTR | ec2-54-151-142-119.ap-southeast-1.compute.amazonaws.com | ||||||
| NS | ns4.domainnamedns.com ⚠️ Not in parent delegation | ||||||
| A | 2604:86c0:2001:c::43dc:4833🇺🇸 AS630232604:86c0:2000::/36 GTHOST-LAX | ||||||
| A | 67.220.72.51🇺🇸 AS6302367.220.72.0/24 GTHOST | ||||||
| PTR | 51-72-220-67.clients.gthost.com | ||||||
| SOA | ns1.domainnamedns.comsupport@namens.net serial=1780843976 | ||||||
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=1786895319 | ||||||
Same first word
csyhedu.com |
Similar names
DNS History
9 records (5 active, 4 former)
○NSns1.72dns.com2015-05-16 → 2017-03-18 · 4 obs
● 2017-03-18 13:17:52
○ 2026-03-13 23:16:54
○ 2026-08-16 16:16:56
●NSns1.domainnamedns.com2026-06-22 → 2026-08-16 · 3 obs
● 2026-06-22 17:33:26
● 2026-08-16 16:16:56
○NSns2.72dns.com2015-05-16 → 2016-07-09 · 4 obs
● 2016-07-09 14:51:22
○ 2017-03-18 13:17:52
○ 2026-08-16 16:16:56
●NSns2.domainnamedns.com2026-06-22 → 2026-08-16 · 3 obs
● 2026-06-22 17:33:26
● 2026-08-16 16:16:56
●NSns3.domainnamedns.com2026-06-22 → 2026-08-16 · 3 obs
● 2026-06-22 17:33:26
● 2026-08-16 16:16:56
●NSns4.domainnamedns.com2026-06-22 → 2026-08-16 · 3 obs
● 2026-06-22 17:33:26
● 2026-08-16 16:16:56
○MXmxbiz1.qq.com2015-05-16 → 2017-03-18 · 4 obs
● 2017-03-18 13:17:52
○ 2026-03-13 23:16:54
○ 2026-08-16 16:16:56
○MXmxbiz2.qq.com2015-05-16 → 2017-03-18 · 4 obs
● 2017-03-18 13:17:52
○ 2026-03-13 23:16:54
○ 2026-08-16 16:16:56
●A156.244.226.972026-06-22 → 2026-08-16 · 2 obs
● 2026-08-16 16:16:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| csyhedu.com | ns1.domainnamedns.com, ns2.domainnamedns.com | 4 records |
✅ Authoritative Response
Server:216.106.185.75
NS records: ns1.domainnamedns.com, ns2.domainnamedns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csyhedu.com (unsigned zone)
⏱️ Timing
Total: 308ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.244.226.97 |
| NS | 4 | ns2.domainnamedns.com, ns1.domainnamedns.com... |
| SOA | 1 | ns1.domainnamedns.com support.namens.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.domainnamedns.com, ns1.domainnamedns.com, ns2.domainnamedns.com...)
Analysis
IP Addresses
csyhedu.com directs to one IP number, which is 156.244.226.97.
Name Servers
The domain csyhedu.com is delegated to these four name servers: ns1.domainnamedns.com, ns2.domainnamedns.com, ns3.domainnamedns.com and ns4.domainnamedns.com.
There is at least partial name server overlap between csyhedu.com and other domains — ch-live-kaiyunsports.com, guavahubworking.com, cd-name.vip and two more among them.
All four hostnames — ns1.domainnamedns.com, ns2.domainnamedns.com, ns3.domainnamedns.com and ns4.domainnamedns.com — resolve to two IP numbers apiece: ns1.domainnamedns.com to 216.106.185.75 and 2604:86c0:6001:14::d86a:b99c; ns2.domainnamedns.com to 38.114.114.183 and 2604:86c0:2001:6::2672:72b7; ns3.domainnamedns.com to 54.151.142.119 and 2406:da18:e80:ec00:7b68:89e5:1ce1:c481; ns4.domainnamedns.com to 67.220.72.51 and 2604:86c0:2001:c::43dc:4833.