🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`linuxsysadmintutorials.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:5a67^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c7d9^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.103^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.217^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chip.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c154^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2154^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chip.ns.cloudflare.com`
		A	108.162.193.84^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	172.64.33.84^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
		A	173.245.59.84^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chip.ns.cloudflare.com`
NS	`lana.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lana.ns.cloudflare.com`
		A	108.162.192.182^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lana.ns.cloudflare.com`
		A	172.64.32.182^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lana.ns.cloudflare.com`
		A	173.245.58.182^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lana.ns.cloudflare.com`
TXT	`google-site-verification=SKHEG_5YuacUR7mIGbakAAym5XV3Kesen9tOA_p7U0g`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.103, 172.67.199.217
		IPv6 hints	2606:4700:3036::6815:5a67, 2606:4700:3037::ac43:c7d9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=141, name=cloudflare-ech.com
SOA	`chip.ns.cloudflare.com`dns@cloudflare.com serial=2412063794

`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=1788341060

Same first word

linuxsysadmintutorials.com

Previous names

Next names

DNS History

12 records (6 active, 6 former)

●NSchip.ns.cloudflare.com2026-08-31 → 2026-09-02 · 3 obs

○ 2017-01-25 10:24:18
● 2026-08-31 09:41:00
● 2026-09-02 09:51:26

●NSlana.ns.cloudflare.com2026-08-31 → 2026-09-02 · 3 obs

○ 2017-01-25 10:24:18
● 2026-08-31 09:41:00
● 2026-09-02 09:51:26

○NSns1.digitalocean.com2015-06-19 → 2017-01-25 · 4 obs

● 2015-06-19 13:55:14
● 2017-01-25 10:24:18
○ 2026-08-31 09:41:00
○ 2026-09-02 09:51:26

○NSns2.digitalocean.com2015-06-19 → 2017-01-25 · 4 obs

● 2015-06-19 13:55:14
● 2017-01-25 10:24:18
○ 2026-08-31 09:41:00
○ 2026-09-02 09:51:26

○NSns3.digitalocean.com2015-06-19 → 2017-01-25 · 4 obs

● 2015-06-19 13:55:14
● 2017-01-25 10:24:18
○ 2026-08-31 09:41:00
○ 2026-09-02 09:51:26

○MXmail.mailroute.net2017-01-25 → 2017-01-25 · 3 obs

● 2017-01-25 10:24:18
○ 2026-08-31 09:41:00
○ 2026-09-02 09:51:26

○A104.131.153.542015-11-02 → 2017-01-25 · 5 obs

○ 2015-06-19 13:55:14
● 2015-11-02 20:00:52
● 2017-01-25 10:24:18
○ 2026-08-31 09:41:00
○ 2026-09-02 09:51:26

●A104.21.90.1032026-08-31 → 2026-09-02 · 3 obs

○ 2017-01-25 10:24:18
● 2026-08-31 09:41:00
● 2026-09-02 09:51:26

○A104.236.144.452015-06-19 → 2015-06-19 · 3 obs

● 2015-06-19 13:55:14
○ 2015-11-02 20:00:52
○ 2026-09-02 09:51:26

●A172.67.199.2172026-08-31 → 2026-09-02 · 3 obs

○ 2017-01-25 10:24:18
● 2026-08-31 09:41:00
● 2026-09-02 09:51:26

●A2606:4700:3036::6815:5a672026-08-31 → 2026-09-02 · 3 obs

○ 2017-01-25 10:24:18
● 2026-08-31 09:41:00
● 2026-09-02 09:51:26

●A2606:4700:3037::ac43:c7d92026-08-31 → 2026-09-02 · 3 obs

○ 2017-01-25 10:24:18
● 2026-08-31 09:41:00
● 2026-09-02 09:51:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linuxsysadmintutorials.com	chip.ns.cloudflare.com, lana.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.182

NS records: chip.ns.cloudflare.com, lana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxsysadmintutorials.com (unsigned zone)

⏱️ Timing

Total: 174ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.103, 172.67.199.217`
AAAA	2	`2606:4700:3036::6815:5a67, 2606:4700:3037::ac43:c7d9`
NS	2	`chip.ns.cloudflare.com, lana.ns.cloudflare.com`
TXT	1	`google-site-verification=SKHEG_5YuacUR7m`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chip.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

linuxsysadmintutorials.com resolves to four IP addresses: 104.21.90.103, 172.67.199.217, 2606:4700:3036::6815:5a67 and 2606:4700:3037::ac43:c7d9.

Two other host names, along with vrijkredietstad-nl.live, turkietresor.se and drumkilbo.co.uk, also share IP numbers with linuxsysadmintutorials.com.

Name Servers

DNS delegation for linuxsysadmintutorials.com points to two name servers: chip.ns.cloudflare.com and lana.ns.cloudflare.com.

linuxsysadmintutorials.com shares its NS records with other domains, for example henneparadise.fr, hikeslo.com, outipro76.fr and two others.

linuxsysadmintutorials.com shares at least some of its name servers with other domains, including sanpin.com.tw, allflexrads.co, premiumqrealestate.com and two others.

These name servers are frequently seen alongside the name servers sevki.ns.cloudflare.com.

DNS names with 6 IP addresses:

chip.ns.cloudflare.com has IP addresses 108.162.193.84, 172.64.33.84 and 173.245.59.84, plus 3 other.

lana.ns.cloudflare.com has IP addresses 108.162.192.182, 172.64.32.182 and 173.245.58.182, plus 3 other.

linuxsysadmintutorials.com - robtex.com