sitsys.co - robtex.com
sitsys.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=1759653877 | ||||||
Subdomains
core.sitsys.co |
Same first word
Similar names
itssys.com |
sysits.org |
systis.net |
tsisys.net |
tysiss.com |
systis.com |
itsyss.com |
itssys.net |
tsisys.com |
tsysis.com |
stisys.com |
stysis.com |
systis.de |
DNS History
7 records (7 active, 0 former)
●NSdns1.name-services.com2026-04-24 → 2026-05-09 · 2 obs
● 2026-05-09 12:30:20
●NSdns2.name-services.com2026-04-24 → 2026-05-09 · 2 obs
● 2026-05-09 12:30:20
●NSdns3.name-services.com2026-04-24 → 2026-05-09 · 2 obs
● 2026-05-09 12:30:20
●NSdns4.name-services.com2026-04-24 → 2026-05-09 · 2 obs
● 2026-05-09 12:30:20
●NSdns5.name-services.com2026-04-24 → 2026-05-09 · 2 obs
● 2026-05-09 12:30:20
●MXsitsys-co.mail.protection.outlook.com2026-04-24 → 2026-05-09 · 2 obs
● 2026-05-09 12:30:20
●A68.183.150.1052026-04-24 → 2026-05-09 · 2 obs
● 2026-05-09 12:30:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, d.registrydns.co, c.registrydns.co, b.registrydns.co | - |
| sitsys.co | dns4.name-services.com, dns1.name-services.com, dns3.name-services.com, dns5.name-services.com... | - |
✅ Authoritative Response
Server:64.98.148.137
NS records: dns4.name-services.com, dns1.name-services.com, dns3.name-services.com, dns5.name-services.com, dns2.name-services.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sitsys.co (unsigned zone)
⏱️ Timing
Total: 648ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 68.183.150.105 |
| NS | 5 | dns5.name-services.com, dns2.name-services.com... |
| MX | 1 | sitsys-co.mail.protection.outlook.com (p |
| TXT | 3 | v=spf1 include:spf.protection.outlook.co, openai-domain-verification=dv-U5KU9vPfYF... |
| SOA | 1 | dns1.name-services.com info.name-service |
Analysis
Hierarchy
core.sitsys.co has sitsys.co as its parent.
IP Addresses
sitsys.co maps to IP address 68.183.150.105.
Name Servers
sitsys.co delegates to five name servers: dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com and dns5.name-services.com.
sitsys.co at least partially shares name servers with other domains such as henrylo.org, sdeyes.com, 1nz.com, parquetdesigndd.com and singleelectron.com.
Two IPs per host name:
dns1.name-services.com points to: 2604:4000:2800:2000:64:98:148:137 and 64.98.148.137
dns2.name-services.com points to: 2604:4000:0:d:216:40:47:201 and 216.40.47.201
dns3.name-services.com points to: 2604:4000:2800:2000:64:98:148:138 and 64.98.148.138
dns4.name-services.com points to: 2604:4000:0:d:216:40:47:202 and 216.40.47.202
dns5.name-services.com points to: 2604:4000:2800:2000:64:98:148:139 and 64.98.148.139
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)
Mail Servers
sitsys.co is handled by a single mail server, sitsys-co.mail.protection.outlook.com.
sitsys-co.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::7, 2a01:111:f403:c936::, 2a01:111:f403:f90f::, 2a01:111:f403:f90f::1, 52.101.8.46, 52.101.10.5, 52.101.40.4 and 52.101.42.18.