knu-system.com - robtex.com
knu-system.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 158.101.247.255🇸🇦 ORACLE-OCI-31898158.101.224.0/19 Oracle Corporation | ||||||
| PTR | teal.maxapex.net | ||||||
| NS | ns1.maxapex.net ⭐ | ||||||
| A | 5.161.136.156🇺🇸 HETZNER-CLOUD2-AS5.161.136.0/24 | ||||||
| PTR | ns1.maxapex.net | ||||||
| NS | ns2.maxapex.net | ||||||
| A | 135.181.83.196🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC | ||||||
| PTR | ns2.maxapex.net | ||||||
| NS | ns3.maxapex.net | ||||||
| A | 78.46.198.137🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | ns3.maxapex.net | ||||||
| MX | mail.knu-system.com ⭐ | ||||||
| A | 158.101.247.255🇸🇦 ORACLE-OCI-31898158.101.224.0/19 Oracle Corporation | ||||||
| PTR | teal.maxapex.net | ||||||
| TXT | v=spf1 a mx a:knu-system.com ip4:10.0.0.249 ip4:158.101.247.255 ?all | ||||||
| SOA | ns1.maxapex.netroot@ns1.maxapex.net 2026-03-03 #0 | ||||||
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=1774689722 | ||||||
Same first word
knu-system.com |
DNS History
5 records (5 active, 0 former)
●NSns1.maxapex.net2026-02-22 → 2026-03-28 · 2 obs
● 2026-03-28 09:26:56
●NSns2.maxapex.net2026-02-22 → 2026-03-28 · 2 obs
● 2026-03-28 09:26:56
●NSns3.maxapex.net2026-02-22 → 2026-03-28 · 2 obs
● 2026-03-28 09:26:56
●MXmail.knu-system.com2026-02-22 → 2026-03-28 · 2 obs
● 2026-03-28 09:26:56
●A158.101.247.2552026-02-22 → 2026-03-28 · 2 obs
● 2026-03-28 09:26:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net... | - |
| knu-system.com | ns1.maxapex.net, ns2.maxapex.net, ns3.maxapex.net | - |
✅ Authoritative Response
Server:5.161.136.156
NS records: ns1.maxapex.net, ns2.maxapex.net, ns3.maxapex.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knu-system.com (unsigned zone)
⏱️ Timing
Total: 314ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 158.101.247.255 |
| NS | 3 | ns3.maxapex.net, ns1.maxapex.net... |
| MX | 1 | mail.knu-system.com (pri: 5) |
| TXT | 1 | v=spf1 a mx a:knu-system.com ip4:10.0.0. |
| SOA | 1 | ns1.maxapex.net root.ns1.maxapex.net |
Analysis
IP Addresses
knu-system.com points to a single IP number: 158.101.247.255.
Other host names, for instance salarapps.com and mail.salarapps.com, share IP numbers with knu-system.com.
Name Servers
The domain knu-system.com is delegated to three name servers: ns1.maxapex.net, ns2.maxapex.net and ns3.maxapex.net.
knu-system.com shares name servers with other domains at least partially, for instance riendo.info, mudelikogu.info, vabidata.com, maxapex.us and ehealthnotes.com.
these name servers are often used together with the name servers olive.maxapex.net.
Host names with a single IP number:
ns1.maxapex.net points to 5.161.136.156.
ns2.maxapex.net points to 135.181.83.196.
ns3.maxapex.net points to 78.46.198.137.
Mail Servers
The mail server for knu-system.com is mail.knu-system.com.
Host name mail.knu-system.com resolves to IP 158.101.247.255.