linuxhardcore.com - dns.ninja

`linuxhardcore.com`

DNSSEC	⚠️ Not signed
A	64.255.252.52^{🇺🇸 E-xpedient64.255.240.0/20 Indianapolis}
		PTR	`www.linuxhardcore.com`
NS	`ns1.linuxhardcore.com` ⭐
		A	2001:470:1f11:128::3^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.linuxhardcore.com`
		A	64.255.252.50^{🇺🇸 E-xpedient64.255.240.0/20 Indianapolis}
			PTR	`ns1.linuxhardcore.com`
NS	`ns1.he.net` ⚠️ Not in parent delegation
		A	2001:470:100::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.he.net`
		A	216.218.130.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.he.net`
NS	`ns2.he.net`
		A	2001:470:200::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns2.he.net`
		A	216.218.131.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns2.he.net`
NS	`ns3.he.net`
		A	2001:470:300::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns3.he.net`
		A	216.218.132.2^{🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns3.he.net`
NS	`ns4.he.net`
		A	2001:470:400::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
		A	216.66.1.2^{🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns4.he.net`
NS	`ns5.he.net`
		A	2001:470:500::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns5.he.net`
		A	216.66.80.18^{🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns5.he.net`
MX	`mail.linuxhardcore.com` ⭐
		A	2001:470:1f11:128::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`mail.linuxhardcore.com`
		A	64.255.252.51^{🇺🇸 E-xpedient64.255.240.0/20 Indianapolis}
			PTR	`mail.linuxhardcore.com`
MX	`mx2.linuxhardcore.com`⁽²⁰⁾
		A	206.225.78.164^{🇺🇸 CMN206.225.72.0/21 Metronet}
			PTR	`1789067-04-v6047-static.crmlinaa.metronetinc.net`
TXT	`v=spf1 a mx a:mail.linuxhardcore.com ip4:64.255.252.51 ip6:2001:470:1f11:128:...`
SOA	`ns1.linuxhardcore.com`root@ns1.linuxhardcore.com 2023-06-20 #65

`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.net`nstld@verisign-grs.com serial=1784177312

Subdomains

mail.linuxhardcore.com

mx2.linuxhardcore.com

www.linuxhardcore.com

ns3.linuxhardcore.com

ns4.linuxhardcore.com

ns2.linuxhardcore.com

ns5.linuxhardcore.com

ns1.linuxhardcore.com

Same first word

linuxhardcore.com

DNS History

13 records (9 active, 4 former)

●NSns1.he.net2026-02-17 → 2026-07-16 · 3 obs

○ 2015-11-27 04:16:02
● 2026-02-17 00:28:22
● 2026-07-16 05:02:34

●NSns1.linuxhardcore.com2015-08-12 → 2026-07-16 · 2 obs

● 2015-08-12 23:01:30
● 2026-07-16 05:02:34

●NSns2.he.net2015-11-27 → 2026-07-16 · 3 obs

○ 2015-08-12 23:01:30
● 2015-11-27 04:16:02
● 2026-07-16 05:02:34

○NSns2.linuxhardcore.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 23:01:30
○ 2015-11-27 04:16:02
○ 2026-07-16 05:02:34

●NSns3.he.net2015-11-27 → 2026-07-16 · 3 obs

○ 2015-08-12 23:01:30
● 2015-11-27 04:16:02
● 2026-07-16 05:02:34

○NSns3.linuxhardcore.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 23:01:30
○ 2015-11-27 04:16:02
○ 2026-07-16 05:02:34

●NSns4.he.net2015-11-27 → 2026-07-16 · 3 obs

○ 2015-08-12 23:01:30
● 2015-11-27 04:16:02
● 2026-07-16 05:02:34

○NSns4.linuxhardcore.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 23:01:30
○ 2015-11-27 04:16:02
○ 2026-07-16 05:02:34

●NSns5.he.net2015-11-27 → 2026-07-16 · 3 obs

○ 2015-08-12 23:01:30
● 2015-11-27 04:16:02
● 2026-07-16 05:02:34

○NSns5.linuxhardcore.com2015-08-12 → 2015-08-12 · 3 obs

● 2015-08-12 23:01:30
○ 2015-11-27 04:16:02
○ 2026-07-16 05:02:34

●MXmail.linuxhardcore.com2015-08-12 → 2026-07-16 · 2 obs

● 2015-08-12 23:01:30
● 2026-07-16 05:02:34

●MXmx2.linuxhardcore.com2015-08-12 → 2026-07-16 · 2 obs

● 2015-08-12 23:01:30
● 2026-07-16 05:02:34

●A64.255.252.522015-08-12 → 2026-07-16 · 2 obs

● 2015-08-12 23:01:30
● 2026-07-16 05:02:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linuxhardcore.com	ns2.he.net, ns3.he.net, ns1.linuxhardcore.com, ns4.he.net...	2 records

✅ Authoritative Response

Server:64.255.252.50

NS records: ns2.he.net, ns3.he.net, ns1.linuxhardcore.com, ns4.he.net, ns5.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxhardcore.com (unsigned zone)

⏱️ Timing

Total: 682ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`64.255.252.52`
NS	6	`ns3.he.net, ns1.he.net...`
MX	2	`mx2.linuxhardcore.com (pri: 20), mail.linuxhardcore.com (pri: 15)`
TXT	1	`v=spf1 a mx a:mail.linuxhardcore.com ip4`
SOA	1	`ns1.linuxhardcore.com root.ns1.linuxhard`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.linuxhardcore.com, ns1.linuxhardcore.com)

Analysis

Hierarchy

linuxhardcore.com is a parent domain; its children include mail.linuxhardcore.com, mx2.linuxhardcore.com, www.linuxhardcore.com, ns3.linuxhardcore.com, ns4.linuxhardcore.com and a few other host names.

IP Addresses

linuxhardcore.com resolves to just one IP address, 64.255.252.52.

There are other host names — www.linuxhardcore.com among them — that share IP numbers with linuxhardcore.com.

Name Servers

DNS for linuxhardcore.com is handled by 6 name servers: ns1.linuxhardcore.com, ns1.he.net, ns2.he.net and 3 others.

linuxhardcore.com partially shares its NS delegation with several other domains, including bastla.net, glassman.org, 164.71.64.in-addr.arpa and two others.

These name servers regularly co-occur with the name servers ns3.he.net, ns4.he.net and ns5.he.net.

Host names that have two IP addresses:

ns1.linuxhardcore.com has two IP addresses: 64.255.252.50 and 2001:470:1f11:128::3.

ns1.he.net has two IP addresses: 216.218.130.2 and 2001:470:100::2.

ns2.he.net has two IP addresses: 216.218.131.2 and 2001:470:200::2.

ns3.he.net has two IP addresses: 216.218.132.2 and 2001:470:300::2.

ns4.he.net has two IP addresses: 216.66.1.2 and 2001:470:400::2.

ns5.he.net has two IP addresses: 216.66.80.18 and 2001:470:500::2.

Mail Servers

linuxhardcore.com is served by two mail servers, mail.linuxhardcore.com and mx2.linuxhardcore.com.

linuxhardcore.com partially shares its mail servers with other domains, philipshempel.info and rfsystems.org being examples.

The mail servers mail.philipshempel.info and mail.rfsystems.org regularly co-occur with these mail servers.

Host names that have two IP addresses:

mail.linuxhardcore.com has two IP addresses: 64.255.252.51 and 2001:470:1f11:128::2.

Host names that point to one IP address:

mx2.linuxhardcore.com directs to 206.225.78.164.