sysadmins.cc - dns.ninja
sysadmins.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:c206:2177:1132::1🇩🇪 CONTABO2a02:c206::/32 | ||||||
| A | 75.119.157.163🇩🇪 CONTABO75.119.128.0/19 | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| NS | dns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| MX | mail.sysadmins.cc ⭐ | ||||||
| A | 2a02:c206:2177:1132::1🇩🇪 CONTABO2a02:c206::/32 | ||||||
| A | 75.119.157.163🇩🇪 CONTABO75.119.128.0/19 | ||||||
| TXT | v=spf1 ip4:75.119.157.163 ip6:2a02:c206:2177:1132::1 a mx ~all | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1724515091 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1785130660 | ||||||
Subdomains
mail.sysadmins.cc |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSdns1.registrar-servers.com2026-03-07 → 2026-07-27 · 3 obs
● 2026-03-07 23:25:46
● 2026-07-27 06:21:58
●NSdns2.registrar-servers.com2026-03-07 → 2026-07-27 · 3 obs
● 2026-03-07 23:25:46
● 2026-07-27 06:21:58
○NSns1.reg.ru2015-08-13 → 2016-04-19 · 4 obs
● 2016-04-19 11:56:18
○ 2016-10-27 20:15:22
○ 2026-07-27 06:21:58
○NSns2.reg.ru2015-08-13 → 2016-04-19 · 4 obs
● 2016-04-19 11:56:18
○ 2016-10-27 20:15:22
○ 2026-07-27 06:21:58
●MXmail.sysadmins.cc2026-03-07 → 2026-07-27 · 2 obs
● 2026-07-27 06:21:58
●A2a02:c206:2177:1132::12026-03-07 → 2026-07-27 · 3 obs
● 2026-03-07 23:25:46
● 2026-07-27 06:21:58
●A75.119.157.1632026-03-07 → 2026-07-27 · 3 obs
● 2026-03-07 23:25:46
● 2026-07-27 06:21:58
○A95.163.12.72015-08-13 → 2016-04-19 · 4 obs
● 2016-04-19 11:56:18
○ 2016-10-27 20:15:22
○ 2026-07-27 06:21:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | 8 records |
| sysadmins.cc | 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 sysadmins.cc (unsigned zone)
⏱️ Timing
Total: 239ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 75.119.157.163 |
| AAAA | 1 | 2a02:c206:2177:1132::1 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | mail.sysadmins.cc (pri: 10) |
| TXT | 1 | v=spf1 ip4:75.119.157.163 ip6:2a02:c206: |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ac1.nstld.com, ac1.nstld.com, ac2.nstld.com...)
Analysis
Hierarchy
The domain mail.sysadmins.cc falls under the parent sysadmins.cc.
IP Addresses
sysadmins.cc points to the IP addresses 75.119.157.163 and 2a02:c206:2177:1132::1
Other host names, among them vmi2568568.contaboserver.net and mail.sysadmins.cc, have IP numbers in common with sysadmins.cc.
Name Servers
sysadmins.cc uses two name servers for its delegation: dns1.registrar-servers.com and dns2.registrar-servers.com.
sysadmins.cc uses the same name servers as several other domains — among them ianlovesrui.com, dadmachine.com, sanjosefencerepair.com and two more.
At least some of sysadmins.cc's name servers are shared with other domains, for example enospc.org and lhrc.org.
It is common for these name servers to be used in conjunction with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
The two host names dns1.registrar-servers.com and dns2.registrar-servers.com each have a pair of IP addresses: dns1.registrar-servers.com has 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com has 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
Mail for sysadmins.cc is handled by a single mail server, mail.sysadmins.cc.
mail.sysadmins.cc directs to two IP numbers, 75.119.157.163 and 2a02:c206:2177:1132::1.