syskernel.org - dns.ninja

syskernel.org

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:9681🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5a04🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.4Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.129🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdavid.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b98🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A2803:f800:50::6ca2:c198🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdavid.ns.cloudflare.com
A2a06:98c1:50::ac40:2198🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdavid.ns.cloudflare.com
A108.162.193.152🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A172.64.33.152🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A173.245.59.152🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
NSkim.ns.cloudflare.com
A2606:4700:50::adf5:3a7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A2803:f800:50::6ca2:c07e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkim.ns.cloudflare.com
A2a06:98c1:50::ac40:207e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkim.ns.cloudflare.com
A108.162.192.126🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A172.64.32.126🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A173.245.58.126🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
MXmailstore1.secureserver.net ⭐
A216.69.141.78🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp01-v02.prod.phx3.secureserver.net
A216.69.141.114🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp03-v02.prod.phx3.secureserver.net
A216.69.141.162🇺🇸 AS398101216.69.140.0/22
PTRosplibsmtp02-v02.prod.phx3.secureserver.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.4, 172.67.150.129
IPv6 hints2606:4700:3034::ac43:9681, 2606:4700:3037::6815:5a04
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=134, name=cloudflare-ech.com
SOAdavid.ns.cloudflare.comdns@cloudflare.com serial=2409412531

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785355836

Same first word

syskernel.org

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSdavid.ns.cloudflare.comkim.ns.cloudflare.comns19.domaincontrol.comns20.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.21.90.4172.67.150.1292606:4700:3034::ac43:96812606:4700:3037::6815:5a04188.114.96.0188.114.97.0202.167.234.1152606:4700:3031::6815:5a042a06:98c1:3120::2a06:98c1:3121::
●NSdavid.ns.cloudflare.com2026-03-06 → 2026-07-29 · 3 obs
○ 2018-12-11 23:54:58
● 2026-03-06 09:41:56
● 2026-07-29 20:27:14
●NSkim.ns.cloudflare.com2026-03-06 → 2026-07-29 · 3 obs
○ 2018-12-11 23:54:58
● 2026-03-06 09:41:56
● 2026-07-29 20:27:14
○NSns19.domaincontrol.com2015-06-12 → 2018-12-11 · 4 obs
● 2015-06-12 09:12:58
● 2018-12-11 23:54:58
○ 2026-03-06 09:41:56
○ 2026-07-29 20:27:14
○NSns20.domaincontrol.com2015-06-12 → 2018-12-11 · 4 obs
● 2015-06-12 09:12:58
● 2018-12-11 23:54:58
○ 2026-03-06 09:41:56
○ 2026-07-29 20:27:14
●MXmailstore1.secureserver.net2015-06-12 → 2026-07-29 · 2 obs
● 2015-06-12 09:12:58
● 2026-07-29 20:27:14
○MXsmtp.secureserver.net2015-06-12 → 2026-06-09 · 4 obs
● 2015-06-12 09:12:58
● 2026-06-09 19:19:34
○ 2026-07-22 08:07:36
○ 2026-07-29 20:27:14
●A104.21.90.42026-03-06 → 2026-07-29 · 6 obs
○ 2018-12-11 23:54:58
● 2026-03-06 09:41:56
● 2026-05-26 14:15:28
○ 2026-06-09 19:19:34
● 2026-07-22 08:07:36
● 2026-07-29 20:27:14
●A172.67.150.1292026-03-06 → 2026-07-29 · 6 obs
○ 2018-12-11 23:54:58
● 2026-03-06 09:41:56
● 2026-05-26 14:15:28
○ 2026-06-09 19:19:34
● 2026-07-22 08:07:36
● 2026-07-29 20:27:14
○A188.114.96.02026-06-09 → 2026-06-09 · 4 obs
○ 2026-05-26 14:15:28
● 2026-06-09 19:19:34
○ 2026-07-22 08:07:36
○ 2026-07-29 20:27:14
○A188.114.97.02026-06-09 → 2026-06-09 · 4 obs
○ 2026-05-26 14:15:28
● 2026-06-09 19:19:34
○ 2026-07-22 08:07:36
○ 2026-07-29 20:27:14
○A202.167.234.1152015-06-12 → 2018-12-11 · 4 obs
● 2015-06-12 09:12:58
● 2018-12-11 23:54:58
○ 2026-03-06 09:41:56
○ 2026-07-29 20:27:14
○A2606:4700:3031::6815:5a042026-03-06 → 2026-05-26 · 5 obs
○ 2018-12-11 23:54:58
● 2026-03-06 09:41:56
● 2026-05-26 14:15:28
○ 2026-06-09 19:19:34
○ 2026-07-29 20:27:14
●A2606:4700:3034::ac43:96812026-03-06 → 2026-07-29 · 6 obs
○ 2018-12-11 23:54:58
● 2026-03-06 09:41:56
● 2026-05-26 14:15:28
○ 2026-06-09 19:19:34
● 2026-07-22 08:07:36
● 2026-07-29 20:27:14
●A2606:4700:3037::6815:5a042026-07-22 → 2026-07-29 · 3 obs
○ 2026-06-09 19:19:34
● 2026-07-22 08:07:36
● 2026-07-29 20:27:14
○A2a06:98c1:3120::2026-06-09 → 2026-06-09 · 4 obs
○ 2026-05-26 14:15:28
● 2026-06-09 19:19:34
○ 2026-07-22 08:07:36
○ 2026-07-29 20:27:14
○A2a06:98c1:3121::2026-06-09 → 2026-06-09 · 4 obs
○ 2026-05-26 14:15:28
● 2026-06-09 19:19:34
○ 2026-07-22 08:07:36
○ 2026-07-29 20:27:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org-
syskernel.orgdavid.ns.cloudflare.com, kim.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.126

NS records: david.ns.cloudflare.com, kim.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for syskernel.org (unsigned zone)

⏱️ Timing

Total: 641ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.90.4, 172.67.150.129
AAAA22606:4700:3034::ac43:9681, 2606:4700:3037::6815:5a04
NS2david.ns.cloudflare.com, kim.ns.cloudflare.com
MX1mailstore1.secureserver.net (pri: 10)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1david.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

syskernel.org points to the four IP addresses 104.21.90.4, 172.67.150.129, 2606:4700:3034::ac43:9681 and 2606:4700:3037::6815:5a04.

Additional host names — sheepgotoheaven.com, cadt.edu.kh, www.ss5v8m.pro and two others — share IP numbers with syskernel.org.

Name Servers

syskernel.org uses two name servers for its delegation: david.ns.cloudflare.com and kim.ns.cloudflare.com.

syskernel.org shares its name server setup with other domains, including themeboy.com, thevisiontimes.com, casinoolympe-fr.com and two others.

There is at least partial name server overlap between syskernel.org and other domains — casino23932.top, app.boutique, moazam.com and two more among them.

These name servers are routinely deployed together with the name servers casey.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname david.ns.cloudflare.com directs to 108.162.193.152, 172.64.33.152 and 173.245.59.152 along with 3 other IP addresses.

Hostname kim.ns.cloudflare.com directs to 108.162.192.126, 172.64.32.126 and 173.245.58.126 along with 3 other IP addresses.

Mail Servers

syskernel.org has one mail server: mailstore1.secureserver.net.

syskernel.org shares the same mail server setup as other domains, including deportivosanagustin.com, bobfritzeschoolofrealestate.com, triplejumpfitness.com and two others.

syskernel.org shares mail servers — at least in part — with other domains, including aerovelo.ca, fta-vacations.com, hrassit.com and two others.

These mail servers are frequently seen alongside the mail servers smtp.secureserver.net.

mailstore1.secureserver.net directs to 216.69.141.78, 216.69.141.114 and 216.69.141.162 — three IP numbers in total.