linux-sys-adm.com - dns.ninja

linux-sys-adm.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:9cd2🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:20ee🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.238Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.156.210🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalberto.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c12🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalberto.ns.cloudflare.com
A2803:f800:50::6ca2:c312🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalberto.ns.cloudflare.com
A2a06:98c1:50::ac40:2312🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalberto.ns.cloudflare.com
A108.162.195.18🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalberto.ns.cloudflare.com
A162.159.44.18Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalberto.ns.cloudflare.com
A172.64.35.18🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalberto.ns.cloudflare.com
NSdaphne.ns.cloudflare.com
A2606:4700:50::a29f:26a9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaphne.ns.cloudflare.com
A2803:f800:50::6ca2:c2a9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdaphne.ns.cloudflare.com
A2a06:98c1:50::ac40:22a9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdaphne.ns.cloudflare.com
A108.162.194.169🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaphne.ns.cloudflare.com
A162.159.38.169Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaphne.ns.cloudflare.com
A172.64.34.169🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdaphne.ns.cloudflare.com
MXmx.stackmail.com ⭐
A185.151.28.67🇬🇧 TWENTYI185.151.28.0/24
PTRmx.stackmail.com
TXTv=spf1 include:spf.stackmail.com a mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.238, 172.67.156.210
IPv6 hints2606:4700:3035::ac43:9cd2, 2606:4700:3036::6815:20ee
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com
SOAalberto.ns.cloudflare.comdns@cloudflare.com serial=2409784446

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784991287

Subdomains

www.linux-sys-adm.com

Same first word

linux-sys-adm.com

DNS History

20 records (7 active, 13 former)

2017201820192020202120222023202420252026NSalberto.ns.cloudflare.comdaphne.ns.cloudflare.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comMXmx.stackmail.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.32.238172.67.156.2102606:4700:3035::ac43:9cd22606:4700:3036::6815:20ee2606:4700:3032::6815:20ee2606:4700:3032::ac43:9cd246.10.223.180
●NSalberto.ns.cloudflare.com2026-02-22 → 2026-07-25 · 3 obs
○ 2016-12-09 19:23:50
● 2026-02-22 00:25:18
● 2026-07-25 15:21:02
●NSdaphne.ns.cloudflare.com2026-02-22 → 2026-07-25 · 3 obs
○ 2016-12-09 19:23:50
● 2026-02-22 00:25:18
● 2026-07-25 15:21:02
○NSdns1.name-services.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
○NSdns2.name-services.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
○NSdns3.name-services.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
○NSdns4.name-services.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
○NSdns5.name-services.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
○MXalt1.aspmx.l.google.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
○MXalt2.aspmx.l.google.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
○MXalt3.aspmx.l.google.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
○MXalt4.aspmx.l.google.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
○MXaspmx.l.google.com2016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02
●MXmx.stackmail.com2026-02-22 → 2026-07-25 · 3 obs
○ 2016-12-09 19:23:50
● 2026-02-22 00:25:18
● 2026-07-25 15:21:02
●A104.21.32.2382026-02-22 → 2026-07-25 · 3 obs
○ 2016-12-09 19:23:50
● 2026-02-22 00:25:18
● 2026-07-25 15:21:02
●A172.67.156.2102026-02-22 → 2026-07-25 · 3 obs
○ 2016-12-09 19:23:50
● 2026-02-22 00:25:18
● 2026-07-25 15:21:02
○A2606:4700:3032::6815:20ee2026-02-22 → 2026-06-05 · 4 obs
○ 2016-12-09 19:23:50
● 2026-02-22 00:25:18
● 2026-06-05 10:30:32
○ 2026-07-25 15:21:02
○A2606:4700:3032::ac43:9cd22026-02-22 → 2026-06-05 · 4 obs
○ 2016-12-09 19:23:50
● 2026-02-22 00:25:18
● 2026-06-05 10:30:32
○ 2026-07-25 15:21:02
●A2606:4700:3035::ac43:9cd22026-07-25 → 2026-07-25 · 2 obs
○ 2026-06-05 10:30:32
● 2026-07-25 15:21:02
●A2606:4700:3036::6815:20ee2026-07-25 → 2026-07-25 · 2 obs
○ 2026-06-05 10:30:32
● 2026-07-25 15:21:02
○A46.10.223.1802016-12-09 → 2016-12-09 · 3 obs
● 2016-12-09 19:23:50
○ 2026-02-22 00:25:18
○ 2026-07-25 15:21:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
linux-sys-adm.comdaphne.ns.cloudflare.com, alberto.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.169

NS records: daphne.ns.cloudflare.com, alberto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux-sys-adm.com (unsigned zone)

⏱️ Timing

Total: 204ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.32.238, 172.67.156.210
AAAA22606:4700:3036::6815:20ee, 2606:4700:3035::ac43:9cd2
NS2alberto.ns.cloudflare.com, daphne.ns.cloudflare.com
MX1mx.stackmail.com (pri: 10)
TXT1v=spf1 include:spf.stackmail.com a mx -a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alberto.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

linux-sys-adm.com is a parent domain of www.linux-sys-adm.com.

IP Addresses

linux-sys-adm.com resolves to four IP addresses: 104.21.32.238, 172.67.156.210, 2606:4700:3035::ac43:9cd2 and 2606:4700:3036::6815:20ee.

domains.qrsrc.com, norskecasinoguiden.com, trysens.com plus two other host names have IP numbers in common with linux-sys-adm.com.

Name Servers

The NS records for linux-sys-adm.com delegate to alberto.ns.cloudflare.com and daphne.ns.cloudflare.com.

The name server configuration of linux-sys-adm.com is shared with other domains, for instance online-moviez.com, craigholme.co.uk, skypenglish4u.com and two others.

linux-sys-adm.com shares at least some of its name servers with other domains, including propixel.com.tr, viewnetcam.nl, joni88863.com and two others.

These name servers are frequently paired with the name servers malavika.ns.cloudflare.com, nelly.ns.cloudflare.com and terin.ns.cloudflare.com.

Hosts with 6 IP addresses each:

alberto.ns.cloudflare.com maps to 108.162.195.18, 162.159.44.18, 172.64.35.18 and 3 additional IP addresses.

daphne.ns.cloudflare.com maps to 108.162.194.169, 162.159.38.169, 172.64.34.169 and 3 additional IP addresses.

Mail Servers

linux-sys-adm.com uses one mail server — mx.stackmail.com.

The mail server setup of linux-sys-adm.com matches that of other domains such as vscert.com, goodbyesolomovie.com, centuryhealth.net and two others.

linux-sys-adm.com shares at least some of its mail servers with other domains, such as storemasr.com.

mx.stackmail.com resolves to 185.151.28.67 and no other IP number.