linuxkernel.org - dns.ninja
linuxkernel.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.49.29.70🇦🇺 ASN-TELSTRA203.48.0.0/14 Telstra Corporation Limited 242 Exhibition Street | ||||||
| PTR | ns2.iconnect.net.au | ||||||
| NS | ns1.dyna-ns.net ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1a5c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1b9e🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.92Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dyna-ns.net | ||||||
| A | 162.159.27.158Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dyna-ns.net | ||||||
| NS | ns2.dyna-ns.net | ||||||
| A | 2400:cb00:2049:1::a29f:1805🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1905🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.24.5Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dyna-ns.net | ||||||
| A | 162.159.25.5Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dyna-ns.net | ||||||
| MX | mail.linuxkernel.org ⭐ | ||||||
| A | 203.49.29.70🇦🇺 ASN-TELSTRA203.48.0.0/14 Telstra Corporation Limited 242 Exhibition Street | ||||||
| PTR | ns2.iconnect.net.au | ||||||
| TXT | v=spf1 +a +mx +ip4:203.49.29.70 -all | ||||||
| SOA | ns1.dyna-ns.nethostmaster@linuxkernel.org 2026-01-20 #2 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1780910056 | ||||||
Subdomains
mail.linuxkernel.org |
Same first word
linuxkernel.org |
linuxkernel.net |
linuxkernel.de |
Similar names
DNS History
11 records (4 active, 7 former)
○NSdns10.hichina.com2015-10-21 → 2017-06-15 · 5 obs
● 2015-10-21 00:00:48
● 2017-06-15 17:48:58
○ 2026-03-26 07:56:36
○ 2026-06-08 09:30:32
○NSdns9.hichina.com2015-10-21 → 2017-06-15 · 5 obs
● 2015-10-21 00:00:48
● 2017-06-15 17:48:58
○ 2026-03-26 07:56:36
○ 2026-06-08 09:30:32
●NSns1.dyna-ns.net2026-03-26 → 2026-06-08 · 3 obs
● 2026-03-26 07:56:36
● 2026-06-08 09:30:32
○NSns1.ireithost.com2007-08-16 → 2007-08-16 · 3 obs
○ 2015-10-21 00:00:48
○ 2026-06-08 09:30:32
●NSns2.dyna-ns.net2026-03-26 → 2026-06-08 · 3 obs
● 2026-03-26 07:56:36
● 2026-06-08 09:30:32
○NSns2.ireithost.com2007-08-16 → 2007-08-16 · 3 obs
○ 2015-10-21 00:00:48
○ 2026-06-08 09:30:32
●MXmail.linuxkernel.org2026-03-26 → 2026-06-08 · 2 obs
● 2026-06-08 09:30:32
○A103.246.245.1642015-10-21 → 2016-08-09 · 5 obs
● 2015-10-21 00:00:48
● 2016-08-09 17:24:38
○ 2017-06-15 17:48:58
○ 2026-06-08 09:30:32
○A103.246.245.1852017-06-15 → 2017-06-15 · 4 obs
● 2017-06-15 17:48:58
○ 2026-03-26 07:56:36
○ 2026-06-08 09:30:32
●A203.49.29.702026-03-26 → 2026-06-08 · 3 obs
● 2026-03-26 07:56:36
● 2026-06-08 09:30:32
○A63.214.247.1702007-08-16 → 2007-08-16 · 3 obs
○ 2015-10-21 00:00:48
○ 2026-06-08 09:30:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| linuxkernel.org | ns1.dyna-ns.net, ns2.dyna-ns.net | - |
✅ Authoritative Response
Server:162.159.27.158
NS records: ns1.dyna-ns.net, ns2.dyna-ns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxkernel.org (unsigned zone)
⏱️ Timing
Total: 327ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.49.29.70 |
| NS | 2 | ns1.dyna-ns.net, ns2.dyna-ns.net |
| MX | 1 | mail.linuxkernel.org (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:203.49.29.70 -all |
| SOA | 1 | ns1.dyna-ns.net hostmaster.linuxkernel.o |
Analysis
Hierarchy
linuxkernel.org serves as the parent of mail.linuxkernel.org.
IP Addresses
linuxkernel.org resolves to one IP address: 203.49.29.70.
mail.portlandconveyors.com.au, dalysiga.com, ns1.iconnect.net.au and two other host names share IP numbers with linuxkernel.org.
Name Servers
DNS delegation for linuxkernel.org points to two name servers: ns1.dyna-ns.net and ns2.dyna-ns.net.
linuxkernel.org uses the same name servers as several other domains — among them jdwinsured.com, foodin.org, homebargainspl.shop and two more.
The hostnames ns1.dyna-ns.net and ns2.dyna-ns.net each have 4 IP addresses — ns1.dyna-ns.net has 162.159.26.92, 162.159.27.158, 2400:cb00:2049:1::a29f:1a5c and 2400:cb00:2049:1::a29f:1b9e; ns2.dyna-ns.net has 162.159.24.5, 162.159.25.5, 2400:cb00:2049:1::a29f:1805 and 2400:cb00:2049:1::a29f:1905.
Mail Servers
Mail for linuxkernel.org is handled by a single mail server, mail.linuxkernel.org.
mail.linuxkernel.org has exactly one IP number: 203.49.29.70.