linuxsudo.com - dns.ninja

`linuxsudo.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:53c9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:b548^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.201^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.181.72^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dave.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
NS	`sara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
MX	`amir.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`isaac.mx.cloudflare.net`⁽⁹⁵⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`linda.mx.cloudflare.net`⁽⁹⁶⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=P4IEFQcC7v0DrSZmQSyKLTLL7YhfG0MC8vtCJyeL_sE`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.201, 172.67.181.72
		IPv6 hints	2606:4700:3033::6815:53c9, 2606:4700:3033::ac43:b548
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=227, name=cloudflare-ech.com
SOA	`dave.ns.cloudflare.com`dns@cloudflare.com serial=2409103472

`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=1784360137

Subdomains

www.linuxsudo.com

Same first word

linuxsudo.com

DNS History

22 records (9 active, 13 former)

●NSdave.ns.cloudflare.com2026-02-18 → 2026-07-18 · 3 obs

○ 2017-03-17 05:14:22
● 2026-02-18 08:31:02
● 2026-07-18 07:39:30

○NSns1.freewha.com2015-12-12 → 2016-07-16 · 4 obs

● 2015-12-12 23:29:42
● 2016-07-16 09:05:46
○ 2017-03-17 05:14:22
○ 2026-07-18 07:39:30

○NSns2.freewha.com2015-12-12 → 2016-07-16 · 4 obs

● 2015-12-12 23:29:42
● 2016-07-16 09:05:46
○ 2017-03-17 05:14:22
○ 2026-07-18 07:39:30

●NSsara.ns.cloudflare.com2026-02-18 → 2026-07-18 · 3 obs

○ 2017-03-17 05:14:22
● 2026-02-18 08:31:02
● 2026-07-18 07:39:30

○MXalt1.aspmx.l.google.com2015-12-12 → 2016-07-16 · 4 obs

● 2015-12-12 23:29:42
● 2016-07-16 09:05:46
○ 2017-03-17 05:14:22
○ 2026-07-18 07:39:30

●MXamir.mx.cloudflare.net2026-02-18 → 2026-07-18 · 3 obs

○ 2017-03-17 05:14:22
● 2026-02-18 08:31:02
● 2026-07-18 07:39:30

○MXaspmx.l.google.com2015-12-12 → 2016-07-16 · 4 obs

● 2015-12-12 23:29:42
● 2016-07-16 09:05:46
○ 2017-03-17 05:14:22
○ 2026-07-18 07:39:30

○MXaspmx2.googlemail.com2015-12-12 → 2016-07-16 · 4 obs

● 2015-12-12 23:29:42
● 2016-07-16 09:05:46
○ 2017-03-17 05:14:22
○ 2026-07-18 07:39:30

●MXisaac.mx.cloudflare.net2026-02-18 → 2026-07-18 · 3 obs

○ 2017-03-17 05:14:22
● 2026-02-18 08:31:02
● 2026-07-18 07:39:30

●MXlinda.mx.cloudflare.net2026-02-18 → 2026-07-18 · 3 obs

○ 2017-03-17 05:14:22
● 2026-02-18 08:31:02
● 2026-07-18 07:39:30

●A104.21.83.2012026-02-18 → 2026-07-18 · 6 obs

○ 2017-03-17 05:14:22
● 2026-02-18 08:31:02
● 2026-05-24 04:09:36
○ 2026-05-26 07:53:08
● 2026-06-16 12:38:46
● 2026-07-18 07:39:30

●A172.67.181.722026-02-18 → 2026-07-18 · 6 obs

○ 2017-03-17 05:14:22
● 2026-02-18 08:31:02
● 2026-05-24 04:09:36
○ 2026-05-26 07:53:08
● 2026-06-16 12:38:46
● 2026-07-18 07:39:30

○A188.114.96.02026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-24 04:09:36
● 2026-05-26 07:53:08
○ 2026-06-16 12:38:46
○ 2026-07-18 07:39:30

○A188.114.97.02026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-24 04:09:36
● 2026-05-26 07:53:08
○ 2026-06-16 12:38:46
○ 2026-07-18 07:39:30

●A2606:4700:3033::6815:53c92026-07-02 → 2026-07-18 · 3 obs

○ 2026-06-16 16:06:34
● 2026-07-02 07:34:28
● 2026-07-18 07:39:30

●A2606:4700:3033::ac43:b5482026-07-02 → 2026-07-18 · 3 obs

○ 2026-06-16 16:06:34
● 2026-07-02 07:34:28
● 2026-07-18 07:39:30

○A2606:4700:3035::ac43:b5482026-02-18 → 2026-06-16 · 8 obs

○ 2017-03-17 05:14:22
● 2026-02-18 08:31:02
● 2026-05-24 04:09:36
○ 2026-05-26 07:53:08
● 2026-06-16 12:38:46
● 2026-06-16 16:06:34
○ 2026-07-02 07:34:28
○ 2026-07-18 07:39:30

○A2606:4700:3037::6815:53c92026-02-18 → 2026-06-16 · 8 obs

○ 2017-03-17 05:14:22
● 2026-02-18 08:31:02
● 2026-05-24 04:09:36
○ 2026-05-26 07:53:08
● 2026-06-16 12:38:46
● 2026-06-16 16:06:34
○ 2026-07-02 07:34:28
○ 2026-07-18 07:39:30

○A2a06:98c1:3120::2026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-24 04:09:36
● 2026-05-26 07:53:08
○ 2026-06-16 12:38:46
○ 2026-07-18 07:39:30

○A2a06:98c1:3121::2026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-24 04:09:36
● 2026-05-26 07:53:08
○ 2026-06-16 12:38:46
○ 2026-07-18 07:39:30

○A5.9.106.2142016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-20 08:34:32
● 2016-07-16 09:05:46
○ 2017-03-17 05:14:22
○ 2026-07-18 07:39:30

○A5.9.126.1412015-12-12 → 2016-03-20 · 4 obs

● 2015-12-12 23:29:42
● 2016-03-20 08:34:32
○ 2016-07-16 09:05:46
○ 2026-07-18 07:39:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...	-
linuxsudo.com	dave.ns.cloudflare.com, sara.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.109

NS records: dave.ns.cloudflare.com, sara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxsudo.com (unsigned zone)

⏱️ Timing

Total: 182ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.181.72, 104.21.83.201`
AAAA	2	`2606:4700:3033::ac43:b548, 2606:4700:3033::6815:53c9`
NS	2	`dave.ns.cloudflare.com, sara.ns.cloudflare.com`
MX	3	`amir.mx.cloudflare.net (pri: 45), isaac.mx.cloudflare.net (pri: 95)...`
TXT	2	`google-site-verification=P4IEFQcC7v0DrSZ, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dave.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dave.ns.cloudflare.com, dave.ns.cloudflare.com, dave.ns.cloudflare.com...)

Analysis

Hierarchy

www.linuxsudo.com is delegated beneath linuxsudo.com.

IP Addresses

linuxsudo.com directs to four IP numbers, which are 104.21.83.201, 172.67.181.72, 2606:4700:3033::6815:53c9 and 2606:4700:3033::ac43:b548.

Two other host names, along with fiveringsdb.com, ihomeylife.com and cnhrmo.net, also share IP numbers with linuxsudo.com.

Name Servers

linuxsudo.com uses two name servers for its delegation: dave.ns.cloudflare.com and sara.ns.cloudflare.com.

linuxsudo.com shares its NS records with other domains, for example txtmatchmaker.com, networkterminationunit.net, australianmatchmaker.com.au and two others.

There is at least partial name server overlap between linuxsudo.com and other domains — eggypsa.com, altrk2.com, leadscope.biz and two more among them.

These name servers frequently co-occur with the name servers mimi.ns.cloudflare.com and dana.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname dave.ns.cloudflare.com directs to 108.162.193.109, 172.64.33.109 and 173.245.59.109 along with 3 other IP addresses.

Hostname sara.ns.cloudflare.com directs to 108.162.192.144, 172.64.32.144 and 173.245.58.144 along with 3 other IP addresses.

Mail Servers

Incoming mail for linuxsudo.com is delivered via three mail servers: amir.mx.cloudflare.net, isaac.mx.cloudflare.net and linda.mx.cloudflare.net.

There is at least a partial MX overlap between linuxsudo.com and other domains, including jensderuiter.dev, autotrusta.com, qrbird.com and two others.

DNS names with 6 IP addresses:

Hostname amir.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname isaac.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname linda.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.