open-kernel.net - robtex.com
open-kernel.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.255.82.7🇫🇷 OVH51.254.0.0/15 | ||||||
| PTR | srv1.open-kernel.net | ||||||
| NS | ns1.open-kernel.net ⭐ | ||||||
| A | 5.196.119.200🇫🇷 OVH5.196.0.0/16 | ||||||
| PTR | ns1.open-kernel.net | ||||||
| NS | ns1.okconsulting.dz ⚠️ Not in parent delegation | ||||||
| A | 197.140.11.222🇩🇿 ICOSNET-AS197.140.11.0/24 ICOSNET spa NET_11 by A.Z. | ||||||
| PTR | server.okconsulting.dz | ||||||
| NS | ns2.open-kernel.net | ||||||
| A | 5.196.119.204🇫🇷 OVH5.196.0.0/16 | ||||||
| PTR | ns2.open-kernel.net | ||||||
| MX | open-kernel.net ⭐ | ||||||
| A | 51.255.82.7🇫🇷 OVH51.254.0.0/15 | ||||||
| PTR | srv1.open-kernel.net | ||||||
| TXT | v=spf1 ip4:51.255.82.7 ip4:149.202.93.122 ip4:5.135.140.201 ip4:164.132.161.1... | ||||||
| SOA | ns1.open-kernel.netlocalhostdz@gmail.com 2026-03-23 #1 | ||||||
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=1778598426 | ||||||
MX for
open-kernel.net |
Previously MX for
www.open-kernel.net |
Subdomains
Same first word
open-kernel.com |
open-kernel.net |
DNS History
8 records (5 active, 3 former)
●NSns1.okconsulting.dz2026-02-15 → 2026-05-12 · 3 obs
● 2026-02-15 01:17:40
● 2026-05-12 15:13:46
●NSns1.open-kernel.net2015-06-24 → 2026-05-12 · 2 obs
● 2026-05-12 15:13:46
●NSns2.open-kernel.net2015-06-24 → 2026-05-12 · 2 obs
● 2026-05-12 15:13:46
●MXopen-kernel.net2015-06-24 → 2026-05-12 · 2 obs
● 2026-05-12 15:13:46
○A151.80.25.1632015-10-24 → 2016-12-22 · 5 obs
● 2015-10-24 00:21:14
● 2016-12-22 22:57:24
○ 2017-12-21 14:59:24
○ 2026-05-12 15:13:46
○A217.182.133.1442017-12-21 → 2018-02-06 · 5 obs
● 2017-12-21 14:59:24
● 2018-02-06 13:39:14
○ 2026-02-15 01:17:40
○ 2026-05-12 15:13:46
○A37.187.128.642015-06-24 → 2015-10-18 · 4 obs
● 2015-10-18 07:10:20
○ 2015-10-24 00:21:14
○ 2026-05-12 15:13:46
●A51.255.82.72026-02-15 → 2026-05-12 · 3 obs
● 2026-02-15 01:17:40
● 2026-05-12 15:13:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | g.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net... | - |
| open-kernel.net | ns1.open-kernel.net, ns2.open-kernel.net | 2 records |
✅ Authoritative Response
Server:5.196.119.204
NS records: ns1.open-kernel.net, ns2.open-kernel.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for open-kernel.net (unsigned zone)
⏱️ Timing
Total: 285ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.255.82.7 |
| NS | 3 | ns1.open-kernel.net, ns1.okconsulting.dz... |
| MX | 1 | open-kernel.net (pri: 0) |
| TXT | 1 | v=spf1 ip4:51.255.82.7 ip4:149.202.93.12 |
| SOA | 1 | ns1.open-kernel.net localhostdz.gmail.co |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.open-kernel.net, ns2.open-kernel.net)
Analysis
Hierarchy
open-kernel.net is a parent of srv02.open-kernel.net, www.open-kernel.net, srv1.open-kernel.net, ns1.open-kernel.net and ns2.open-kernel.net.
Mail Server Role
open-kernel.net serves as the mail server for open-kernel.net.
IP Addresses
open-kernel.net points to a single IP number: 51.255.82.7.
Other host names, for instance hle-engineering.com, logiprest-catering.dz, jihan-hana.com, 51-255-82-7.cprapid.com and xo-dis.com share IP numbers with open-kernel.net.
Name Servers
The domain open-kernel.net is delegated to three name servers: ns1.okconsulting.dz, ns1.open-kernel.net and ns2.open-kernel.net.
open-kernel.net shares name servers with other domains at least partially, for instance autoval.dz, tusna.dz, akar-dz.com, afcrecyclage-dz.com and delta-precision.com.
these name servers are often used with ns3.open-kernel.com, ns4.open-kernel.com and ns1.51-255-82-7.cprapid.com.
Host names with a single IP number:
ns1.okconsulting.dz points to 197.140.11.222.
ns1.open-kernel.net points to 5.196.119.200.
ns2.open-kernel.net points to 5.196.119.204.
Mail Servers
A single mail server handles open-kernel.net and open-kernel.net.
Host name open-kernel.net resolves to IP 51.255.82.7.