linuxcommand.ru - dns.ninja

`linuxcommand.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:ce47^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:454a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.74^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.71^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c077^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2077^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isla.ns.cloudflare.com`
		A	108.162.192.119^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	172.64.32.119^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	173.245.58.119^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
NS	`todd.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c192^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`todd.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2192^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`todd.ns.cloudflare.com`
		A	108.162.193.146^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	172.64.33.146^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	173.245.59.146^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
MX	`mx.linuxcommand.ru` ⭐
		A	188.225.86.37^{🇷🇺 TimeWeb-AS188.225.86.0/24}
			PTR	`small.ra.su`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.74, 172.67.206.71
		IPv6 hints	2606:4700:3031::ac43:ce47, 2606:4700:3036::6815:454a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com
SOA	`isla.ns.cloudflare.com`dns@cloudflare.com serial=2403222424

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069308

🔒 HSTS Preload (+subdomains)

Subdomains

mx.linuxcommand.ru

www.linuxcommand.ru

Same first word

linuxcommand.org

linuxcommand.net

linuxcommand.com

linuxcommand.ru

Similar names

commandlinux.com

DNS History

16 records (7 active, 9 former)

○NSfirst.linuxcommand.ru2019-01-12 → 2019-01-12 · 3 obs

● 2019-01-12 22:00:00
○ 2026-03-07 08:36:20
○ 2026-06-19 06:43:06

●NSisla.ns.cloudflare.com2026-03-07 → 2026-06-19 · 3 obs

○ 2019-01-12 22:00:00
● 2026-03-07 08:36:20
● 2026-06-19 06:43:06

○NSns1.digitalocean.com2019-01-12 → 2019-01-12 · 3 obs

● 2019-01-12 22:00:00
○ 2026-03-07 08:36:20
○ 2026-06-19 06:43:06

○NSsecond.linuxcommand.ru2019-01-12 → 2019-01-12 · 3 obs

● 2019-01-12 22:00:00
○ 2026-03-07 08:36:20
○ 2026-06-19 06:43:06

○NSthird.linuxcommand.ru2019-01-12 → 2019-01-12 · 3 obs

● 2019-01-12 22:00:00
○ 2026-03-07 08:36:20
○ 2026-06-19 06:43:06

●NStodd.ns.cloudflare.com2026-03-07 → 2026-06-19 · 3 obs

○ 2019-01-12 22:00:00
● 2026-03-07 08:36:20
● 2026-06-19 06:43:06

●MXmx.linuxcommand.ru2019-01-12 → 2026-06-19 · 2 obs

● 2019-01-12 22:00:00
● 2026-06-19 06:43:06

●A104.21.69.742026-03-14 → 2026-06-19 · 5 obs

○ 2026-03-07 08:36:20
● 2026-03-14 10:26:24
○ 2026-03-26 07:12:56
● 2026-03-31 00:48:28
● 2026-06-19 06:43:06

●A172.67.206.712026-03-14 → 2026-06-19 · 5 obs

○ 2026-03-07 08:36:20
● 2026-03-14 10:26:24
○ 2026-03-26 07:12:56
● 2026-03-31 00:48:28
● 2026-06-19 06:43:06

○A188.114.96.02026-03-07 → 2026-03-26 · 6 obs

○ 2019-01-12 22:00:00
● 2026-03-07 08:36:20
○ 2026-03-14 10:26:24
● 2026-03-26 07:12:56
○ 2026-03-31 00:48:28
○ 2026-06-19 06:43:06

○A188.114.97.02026-03-07 → 2026-03-26 · 6 obs

○ 2019-01-12 22:00:00
● 2026-03-07 08:36:20
○ 2026-03-14 10:26:24
● 2026-03-26 07:12:56
○ 2026-03-31 00:48:28
○ 2026-06-19 06:43:06

○A188.226.185.1542019-01-12 → 2019-01-12 · 3 obs

● 2019-01-12 22:00:00
○ 2026-03-07 08:36:20
○ 2026-06-19 06:43:06

●A2606:4700:3031::ac43:ce472026-03-14 → 2026-06-19 · 5 obs

○ 2026-03-07 08:36:20
● 2026-03-14 10:26:24
○ 2026-03-26 07:12:56
● 2026-03-31 00:48:28
● 2026-06-19 06:43:06

●A2606:4700:3036::6815:454a2026-03-14 → 2026-06-19 · 5 obs

○ 2026-03-07 08:36:20
● 2026-03-14 10:26:24
○ 2026-03-26 07:12:56
● 2026-03-31 00:48:28
● 2026-06-19 06:43:06

○A2a06:98c1:3120::2026-03-07 → 2026-03-26 · 6 obs

○ 2019-01-12 22:00:00
● 2026-03-07 08:36:20
○ 2026-03-14 10:26:24
● 2026-03-26 07:12:56
○ 2026-03-31 00:48:28
○ 2026-06-19 06:43:06

○A2a06:98c1:3121::2026-03-07 → 2026-03-26 · 6 obs

○ 2019-01-12 22:00:00
● 2026-03-07 08:36:20
○ 2026-03-14 10:26:24
● 2026-03-26 07:12:56
○ 2026-03-31 00:48:28
○ 2026-06-19 06:43:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	d.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	-
linuxcommand.ru	isla.ns.cloudflare.com, todd.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.146

NS records: isla.ns.cloudflare.com, todd.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxcommand.ru (unsigned zone)

⏱️ Timing

Total: 1539ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.69.74, 172.67.206.71`
AAAA	2	`2606:4700:3036::6815:454a, 2606:4700:3031::ac43:ce47`
NS	2	`isla.ns.cloudflare.com, todd.ns.cloudflare.com`
MX	1	`mx.linuxcommand.ru (pri: 1)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`isla.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

mx.linuxcommand.ru and www.linuxcommand.ru each fall under linuxcommand.ru as their parent domain.

IP Addresses

linuxcommand.ru has four IP addresses: 104.21.69.74, 172.67.206.71, 2606:4700:3031::ac43:ce47 and 2606:4700:3036::6815:454a.

Two other host names, along with www.besf.org.tr, leofanworld.com and ve675829.com, also share IP numbers with linuxcommand.ru.

Name Servers

DNS delegation for linuxcommand.ru points to two name servers: isla.ns.cloudflare.com and todd.ns.cloudflare.com.

linuxcommand.ru shares its NS records with other domains, for example erectiestoornis.nl, cnews.com.tw, commandequipment.com and two others.

linuxcommand.ru shares at least some of its name servers with other domains, including bloglunch.net, bchomeworld.com, mogel.pl and two others.

These name servers are frequently paired with the name servers nick.ns.cloudflare.com and scott.ns.cloudflare.com.

DNS names with 6 IP addresses:

isla.ns.cloudflare.com has IP addresses 108.162.192.119, 172.64.32.119 and 173.245.58.119, plus 3 other.

todd.ns.cloudflare.com has IP addresses 108.162.193.146, 172.64.33.146 and 173.245.59.146, plus 3 other.

Mail Servers

The sole mail server for linuxcommand.ru is mx.linuxcommand.ru.

mx.linuxcommand.ru has exactly one IP number: 188.225.86.37.