sysu.co - dns.ninja
sysu.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759732203 | ||||||
Same first word
sysu.xyz |
sysu.edu.cn |
sysu.de |
sysu.com |
sysu.ru |
sysu.info |
sysu.com.cn |
sysu.org |
sysu.wang |
sysu.ca |
sysu.io |
sysu.co |
sysu.nl |
sysu.co.kr |
sysu.net |
sysu.org.cn |
Similar names
DNS History
18 records (8 active, 10 former)
●NSdns1.registrar-servers.com2026-07-05 → 2026-08-13 · 3 obs
● 2026-07-05 19:41:16
● 2026-08-13 14:25:42
●NSdns2.registrar-servers.com2026-07-05 → 2026-08-13 · 3 obs
● 2026-07-05 19:41:16
● 2026-08-13 14:25:42
○NSns07.domaincontrol.com2016-07-15 → 2016-07-15 · 3 obs
○ 2017-04-11 00:17:08
○ 2026-08-13 14:25:42
○NSns08.domaincontrol.com2016-07-15 → 2016-07-15 · 3 obs
○ 2017-04-11 00:17:08
○ 2026-08-13 14:25:42
●MXeforward1.registrar-servers.com2026-07-05 → 2026-08-13 · 3 obs
● 2026-07-05 19:41:16
● 2026-08-13 14:25:42
●MXeforward2.registrar-servers.com2026-07-05 → 2026-08-13 · 3 obs
● 2026-07-05 19:41:16
● 2026-08-13 14:25:42
●MXeforward3.registrar-servers.com2026-07-05 → 2026-08-13 · 3 obs
● 2026-07-05 19:41:16
● 2026-08-13 14:25:42
●MXeforward4.registrar-servers.com2026-07-05 → 2026-08-13 · 3 obs
● 2026-07-05 19:41:16
● 2026-08-13 14:25:42
●MXeforward5.registrar-servers.com2026-07-05 → 2026-08-13 · 3 obs
● 2026-07-05 19:41:16
● 2026-08-13 14:25:42
○MXmailstore1.secureserver.net2016-07-15 → 2016-07-15 · 3 obs
○ 2017-04-11 00:17:08
○ 2026-08-13 14:25:42
○MXsmtp.secureserver.net2016-07-15 → 2016-07-15 · 3 obs
○ 2017-04-11 00:17:08
○ 2026-08-13 14:25:42
○A184.168.221.522016-07-15 → 2016-07-15 · 3 obs
○ 2017-04-11 00:17:08
○ 2026-08-13 14:25:42
●A192.64.119.1512026-07-05 → 2026-08-13 · 3 obs
● 2026-07-05 19:41:16
● 2026-08-13 14:25:42
○A34.192.137.1152017-04-11 → 2017-04-11 · 4 obs
● 2017-04-11 00:17:08
○ 2026-07-05 19:41:16
○ 2026-08-13 14:25:42
○A52.23.96.2192017-04-11 → 2017-04-11 · 4 obs
● 2017-04-11 00:17:08
○ 2026-07-05 19:41:16
○ 2026-08-13 14:25:42
○A54.236.89.862017-04-11 → 2017-04-11 · 4 obs
● 2017-04-11 00:17:08
○ 2026-07-05 19:41:16
○ 2026-08-13 14:25:42
○CNAMEpr-co-suspensions.go.co2017-04-11 → 2017-04-11 · 3 obs
○ 2026-07-05 19:41:16
○ 2026-08-13 14:25:42
○CNAMEreg-pr-web-suspensionpages-go-co-1680484254.us-east-1.elb.amazonaws.com2017-04-11 → 2017-04-11 · 3 obs
○ 2026-07-05 19:41:16
○ 2026-08-13 14:25:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| sysu.co | dns2.registrar-servers.com, dns1.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns2.registrar-servers.com, dns1.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysu.co (unsigned zone)
⏱️ Timing
Total: 400ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.64.119.151 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10... |
| TXT | 1 | v=spf1 include:spf.efwd.registrar-server |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
IP Addresses
sysu.co directs to one IP number, which is 192.64.119.151.
Among the host names that share IP numbers with sysu.co are cruelty-cutter.com, carolinasteelstructures.com, ecogreenheating.co.uk and two others.
Name Servers
Two name servers handle the delegation for sysu.co: dns1.registrar-servers.com and dns2.registrar-servers.com.
sysu.co has the same name server delegation as a number of other domains, such as cloudmods.shop, vacson.com, theroadcast.com and two more.
sysu.co shares at least some of its name servers with other domains, such as flipnode.com and wisestreet.net.
These name servers are frequently paired with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
dns1.registrar-servers.com and dns2.registrar-servers.com both carry two IP addresses. The A records for dns1.registrar-servers.com are 156.154.132.200 and 2610:a1:1024::200; the A records for dns2.registrar-servers.com are 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
sysu.co is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.
sysu.co shares at least some of its mail servers with other domains — for example (0x787878)nine.com, 556bb.com, jacoban.com and two more.
These mail servers frequently appear alongside the mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com.
Hosts that resolve to one IP address:
The hostname eforward1.registrar-servers.com resolves to 162.255.118.51.
The hostname eforward2.registrar-servers.com resolves to 162.255.118.52.
The hostname eforward3.registrar-servers.com resolves to 162.255.118.51.
The hostname eforward4.registrar-servers.com resolves to 162.255.118.52.
The hostname eforward5.registrar-servers.com resolves to 162.255.118.51.
eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.
eforward2.registrar-servers.com along with eforward4.registrar-servers.com each resolve to 162.255.118.52 IP addresses.