it-sys.net - dns.ninja
it-sys.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mx01.it-sys.net ⭐ | ||||||
| A | 135.181.194.207🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC | ||||||
| PTR | server4.850nm.net | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns1.first-ns.dehostmaster@it-sys.net 2026-03-10 #0 | ||||||
net
| 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=1785754112 | ||||||
Subdomains
mx01.it-sys.net |
Same first word
Similar names
i-syst.ca |
i-syst.com |
sys-it.de |
sys-it.com |
sys-it.io |
i-syst.net |
ti-sys.com |
sys-it.co.il |
itsy-s.com |
ti-sys.co.jp |
DNS History
6 records (4 active, 2 former)
●NSns1.first-ns.de2015-08-22 → 2026-08-03 · 2 obs
● 2026-08-03 10:51:02
●NSrobotns2.second-ns.de2015-08-22 → 2026-08-03 · 2 obs
● 2026-08-03 10:51:02
●NSrobotns3.second-ns.com2015-08-22 → 2026-08-03 · 2 obs
● 2026-08-03 10:51:02
○MXmx01.850nm.net2017-01-22 → 2017-01-22 · 4 obs
● 2017-01-22 10:02:14
○ 2018-08-18 15:15:52
○ 2026-08-03 10:51:02
●MXmx01.it-sys.net2015-08-22 → 2026-08-03 · 5 obs
● 2016-12-01 07:21:22
○ 2017-01-22 10:02:14
● 2018-08-18 15:15:52
● 2026-08-03 10:51:02
○A88.198.111.122015-08-22 → 2017-01-22 · 4 obs
● 2017-01-22 10:02:14
○ 2018-08-18 15:15:52
○ 2026-08-03 10:51:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | i.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| it-sys.net | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for it-sys.net (unsigned zone)
⏱️ Timing
Total: 826ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mx01.it-sys.net (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns1.first-ns.de hostmaster.it-sys.net |
Analysis
Hierarchy
mx01.it-sys.net is a subdomain of it-sys.net.
Name Servers
it-sys.net is served by three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
The name servers of it-sys.net overlap at least partially with those of other domains — among them konstanze-hollitzer.de, greyicon.pl, kuhlsolutions.de and two more.
These name servers commonly appear in combination with the name servers hydrogen.ns.hetzner.com.
The hostnames robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de each direct to two IP addresses — robotns3.second-ns.com to 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de to 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
it-sys.net uses one mail server — mx01.it-sys.net.
mx01.it-sys.net resolves to 135.181.194.207 and no other IP number.