linuxcareer.com - dns.ninja

`linuxcareer.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4997^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:be53^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.151^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.83^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elsa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elsa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elsa.ns.cloudflare.com`
		A	108.162.192.111^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	172.64.32.111^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	173.245.58.111^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
NS	`hugh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c175^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hugh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2175^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hugh.ns.cloudflare.com`
		A	108.162.193.117^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	172.64.33.117^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	173.245.59.117^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=36ed140200836effcb4183dfa4cd20475e080332`
TXT	`v=spf1 include:_spf.protonmail.ch include:amazonses.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.151, 172.67.190.83
		IPv6 hints	2606:4700:3033::6815:4997, 2606:4700:3036::ac43:be53
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com
SOA	`elsa.ns.cloudflare.com`dns@cloudflare.com serial=2410929220

`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=1785556267

Same first word

linuxcareer.com

DNS History

28 records (8 active, 20 former)

●NSelsa.ns.cloudflare.com2018-01-13 → 2026-08-01 · 3 obs

○ 2017-01-01 12:46:40
● 2018-01-13 10:15:44
● 2026-08-01 04:11:48

●NShugh.ns.cloudflare.com2018-01-13 → 2026-08-01 · 3 obs

○ 2017-01-01 12:46:40
● 2018-01-13 10:15:44
● 2026-08-01 04:11:48

○NSns1.linuxcareer.com2015-06-17 → 2017-01-01 · 4 obs

● 2015-06-17 19:45:34
● 2017-01-01 12:46:40
○ 2018-01-13 10:15:44
○ 2026-08-01 04:11:48

○NSns1.thinpoint.com.au2015-06-17 → 2017-01-01 · 4 obs

● 2015-06-17 19:45:34
● 2017-01-01 12:46:40
○ 2018-01-13 10:15:44
○ 2026-08-01 04:11:48

○NSns2.thinpoint.com.au2015-06-17 → 2017-01-01 · 4 obs

● 2015-06-17 19:45:34
● 2017-01-01 12:46:40
○ 2018-01-13 10:15:44
○ 2026-08-01 04:11:48

○MXalt1.aspmx.l.google.com2015-06-17 → 2026-05-25 · 4 obs

● 2015-06-17 19:45:34
● 2026-05-25 18:11:16
○ 2026-06-01 01:23:12
○ 2026-08-01 04:11:48

○MXalt2.aspmx.l.google.com2015-06-17 → 2026-05-25 · 4 obs

● 2015-06-17 19:45:34
● 2026-05-25 18:11:16
○ 2026-06-01 01:23:12
○ 2026-08-01 04:11:48

○MXaspmx.l.google.com2015-06-17 → 2026-05-25 · 4 obs

● 2015-06-17 19:45:34
● 2026-05-25 18:11:16
○ 2026-06-01 01:23:12
○ 2026-08-01 04:11:48

○MXaspmx2.googlemail.com2015-06-17 → 2026-05-25 · 4 obs

● 2015-06-17 19:45:34
● 2026-05-25 18:11:16
○ 2026-06-01 01:23:12
○ 2026-08-01 04:11:48

○MXaspmx3.googlemail.com2015-06-17 → 2026-05-25 · 4 obs

● 2015-06-17 19:45:34
● 2026-05-25 18:11:16
○ 2026-06-01 01:23:12
○ 2026-08-01 04:11:48

●MXmail.protonmail.ch2026-06-01 → 2026-08-01 · 3 obs

○ 2026-05-25 18:11:16
● 2026-06-01 01:23:12
● 2026-08-01 04:11:48

●MXmailsec.protonmail.ch2026-06-01 → 2026-08-01 · 3 obs

○ 2026-05-25 18:11:16
● 2026-06-01 01:23:12
● 2026-08-01 04:11:48

●A104.21.73.1512026-03-01 → 2026-08-01 · 9 obs

○ 2018-01-13 10:15:44
● 2026-03-01 05:26:18
● 2026-03-30 08:34:28
○ 2026-04-06 23:27:16
● 2026-04-11 14:50:34
● 2026-06-12 05:51:16
○ 2026-06-16 03:34:14
● 2026-07-17 16:19:34
● 2026-08-01 04:11:48

○A104.27.132.752018-01-13 → 2018-01-13 · 4 obs

○ 2017-01-01 12:46:40
● 2018-01-13 10:15:44
○ 2026-03-01 05:26:18
○ 2026-08-01 04:11:48

○A104.27.133.752018-01-13 → 2018-01-13 · 4 obs

○ 2017-01-01 12:46:40
● 2018-01-13 10:15:44
○ 2026-03-01 05:26:18
○ 2026-08-01 04:11:48

○A107.21.213.1412015-06-17 → 2015-11-01 · 4 obs

● 2015-06-17 19:45:34
● 2015-11-01 18:54:56
○ 2016-01-20 13:56:38
○ 2026-08-01 04:11:48

●A172.67.190.832026-03-01 → 2026-08-01 · 9 obs

○A188.114.96.02026-04-06 → 2026-06-16 · 7 obs

○ 2026-03-30 08:34:28
● 2026-04-06 23:27:16
○ 2026-04-11 14:50:34
○ 2026-06-12 05:51:16
● 2026-06-16 03:34:14
○ 2026-07-17 16:19:34
○ 2026-08-01 04:11:48

○A188.114.97.02026-04-06 → 2026-06-16 · 7 obs

○ 2026-03-30 08:34:28
● 2026-04-06 23:27:16
○ 2026-04-11 14:50:34
○ 2026-06-12 05:51:16
● 2026-06-16 03:34:14
○ 2026-07-17 16:19:34
○ 2026-08-01 04:11:48

○A2400:cb00:2048:1::681b:844b2018-01-13 → 2018-01-13 · 4 obs

○ 2017-01-01 12:46:40
● 2018-01-13 10:15:44
○ 2026-03-01 05:26:18
○ 2026-08-01 04:11:48

○A2400:cb00:2048:1::681b:854b2018-01-13 → 2018-01-13 · 4 obs

○ 2017-01-01 12:46:40
● 2018-01-13 10:15:44
○ 2026-03-01 05:26:18
○ 2026-08-01 04:11:48

○A2606:4700:3031::ac43:be532026-03-01 → 2026-06-12 · 8 obs

○ 2018-01-13 10:15:44
● 2026-03-01 05:26:18
● 2026-03-30 08:34:28
○ 2026-04-06 23:27:16
● 2026-04-11 14:50:34
● 2026-06-12 05:51:16
○ 2026-06-16 03:34:14
○ 2026-08-01 04:11:48

○A2606:4700:3032::6815:49972026-03-01 → 2026-06-12 · 8 obs

○ 2018-01-13 10:15:44
● 2026-03-01 05:26:18
● 2026-03-30 08:34:28
○ 2026-04-06 23:27:16
● 2026-04-11 14:50:34
● 2026-06-12 05:51:16
○ 2026-06-16 03:34:14
○ 2026-08-01 04:11:48

●A2606:4700:3033::6815:49972026-07-17 → 2026-08-01 · 3 obs

○ 2026-06-16 03:34:14
● 2026-07-17 16:19:34
● 2026-08-01 04:11:48

●A2606:4700:3036::ac43:be532026-07-17 → 2026-08-01 · 3 obs

○ 2026-06-16 03:34:14
● 2026-07-17 16:19:34
● 2026-08-01 04:11:48

○A2a06:98c1:3120::2026-04-06 → 2026-06-16 · 7 obs

○ 2026-03-30 08:34:28
● 2026-04-06 23:27:16
○ 2026-04-11 14:50:34
○ 2026-06-12 05:51:16
● 2026-06-16 03:34:14
○ 2026-07-17 16:19:34
○ 2026-08-01 04:11:48

○A2a06:98c1:3121::2026-04-06 → 2026-06-16 · 7 obs

○ 2026-03-30 08:34:28
● 2026-04-06 23:27:16
○ 2026-04-11 14:50:34
○ 2026-06-12 05:51:16
● 2026-06-16 03:34:14
○ 2026-07-17 16:19:34
○ 2026-08-01 04:11:48

○A52.70.44.1322016-01-20 → 2017-01-01 · 5 obs

○ 2015-11-01 18:54:56
● 2016-01-20 13:56:38
● 2017-01-01 12:46:40
○ 2018-01-13 10:15:44
○ 2026-08-01 04:11:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linuxcareer.com	elsa.ns.cloudflare.com, hugh.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.111

NS records: elsa.ns.cloudflare.com, hugh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxcareer.com (unsigned zone)

⏱️ Timing

Total: 1002ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.73.151, 172.67.190.83`
AAAA	2	`2606:4700:3036::ac43:be53, 2606:4700:3033::6815:4997`
NS	2	`elsa.ns.cloudflare.com, hugh.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`protonmail-verification=36ed140200836eff, v=spf1 include:_spf.protonmail.ch includ`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elsa.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

linuxcareer.com resolves to four IP addresses: 104.21.73.151, 172.67.190.83, 2606:4700:3033::6815:4997 and 2606:4700:3036::ac43:be53.

Among the host names that share IP numbers with linuxcareer.com are phen375avis.org, expert-reviews.com, royaldrive.co.uk and two others.

Name Servers

linuxcareer.com uses two name servers for its delegation: elsa.ns.cloudflare.com and hugh.ns.cloudflare.com.

linuxcareer.com has the same name server delegation as a number of other domains, such as worklearnbalance.com, citysportapparel.co.uk, forsterskent.co.uk and two more.

linuxcareer.com partially shares its NS delegation with several other domains, including neim.us, gapingangels.com, onepiecechap.net and two others.

These name servers often co-occur with the name servers trace.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname elsa.ns.cloudflare.com directs to 108.162.192.111, 172.64.32.111 and 173.245.58.111 along with 3 other IP addresses.

Hostname hugh.ns.cloudflare.com directs to 108.162.193.117, 172.64.33.117 and 173.245.59.117 along with 3 other IP addresses.

Mail Servers

The MX records for linuxcareer.com point to two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

linuxcareer.com has the same mail server arrangement as a number of other domains, for example cmclient.pl, melissawoolverton.com, maskak9.com and two more.

linuxcareer.com shares at least some of its mail servers with other domains — for example lapentz.com, tsung.co, maxstroh.de and two more.

mail.protonmail.ch has three IP addresses (176.119.200.128, 185.70.42.128 and 185.205.70.128) and mailsec.protonmail.ch has three IP addresses (176.119.200.129, 185.70.42.129 and 185.205.70.129).