sys-core.com - dns.ninja

`sys-core.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:90a9^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:5f73^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.115^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.169^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lee.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c181^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2181^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lee.ns.cloudflare.com`
		A	108.162.193.129^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	172.64.33.129^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	173.245.59.129^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
NS	`sima.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ade^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sima.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sima.ns.cloudflare.com`
		A	108.162.192.222^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	172.64.32.222^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	173.245.58.222^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	2607:f8b0:4004:c27::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f27.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.139.27^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`asv=9dcd859dded709d1ae6702693cee2397`
TXT	`atlassian-domain-verification=bXMRV6C2ePWFPyu7QS2yW17sN1O3viMWFcFyq6IR32XqcHJ...`
TXT	`google-site-verification=AdtBCLE9cg8f9Bj_gQ27cY7uGWP2W83QHEc7KnmRoOw`
TXT	`linkedin-site-verification=8d7737ab-e99c-4c2c-bcd7-b5f1dac14516`
TXT	`rippling-domain-verification=c9d0b2495c8abd70`
TXT	`slack-domain-verification=ONdTq9MAHcq23F5h2MLqFL0xStYuyTmG93NS9PCX`
TXT	`v=spf1 include:sender.zohoinvoice.in include:zoho.com include:_spf.google.com...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.95.115, 172.67.144.169
		IPv6 hints	2606:4700:3032::ac43:90a9, 2606:4700:3033::6815:5f73
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=142, name=cloudflare-ech.com
SOA	`lee.ns.cloudflare.com`dns@cloudflare.com serial=2406520256

`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=1782874246

Same first word

sys-core.com

Similar names

core-sys.co.kr

DNS History

25 records (12 active, 13 former)

●NSlee.ns.cloudflare.com2026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

○NSns47.domaincontrol.com2017-02-15 → 2017-02-15 · 4 obs

○ 2016-05-07 02:15:58
● 2017-02-15 22:36:30
○ 2019-03-29 06:12:18
○ 2026-07-01 03:14:00

○NSns48.domaincontrol.com2017-02-15 → 2017-02-15 · 4 obs

○ 2016-05-07 02:15:58
● 2017-02-15 22:36:30
○ 2019-03-29 06:12:18
○ 2026-07-01 03:14:00

○NSns63.domaincontrol.com2015-07-03 → 2016-02-01 · 4 obs

● 2015-07-03 21:09:44
● 2016-02-01 23:24:16
○ 2016-05-07 02:15:58
○ 2026-07-01 03:14:00

○NSns64.domaincontrol.com2015-07-03 → 2016-02-01 · 4 obs

● 2015-07-03 21:09:44
● 2016-02-01 23:24:16
○ 2016-05-07 02:15:58
○ 2026-07-01 03:14:00

●NSsima.ns.cloudflare.com2026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

●MXalt1.aspmx.l.google.com2026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

●MXalt2.aspmx.l.google.com2026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

●MXalt3.aspmx.l.google.com2026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

●MXalt4.aspmx.l.google.com2026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

●MXaspmx.l.google.com2026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

○MXmailstore1.secureserver.net2015-07-03 → 2016-02-01 · 4 obs

● 2015-07-03 21:09:44
● 2016-02-01 23:24:16
○ 2016-05-07 02:15:58
○ 2026-07-01 03:14:00

●MXsmtp.google.com2026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

○MXsmtp.secureserver.net2015-07-03 → 2016-02-01 · 4 obs

● 2015-07-03 21:09:44
● 2016-02-01 23:24:16
○ 2016-05-07 02:15:58
○ 2026-07-01 03:14:00

○MXsyscore-com0i.mail.protection.outlook.com2017-02-15 → 2017-02-15 · 4 obs

○ 2016-05-07 02:15:58
● 2017-02-15 22:36:30
○ 2019-03-29 06:12:18
○ 2026-07-01 03:14:00

●A104.21.95.1152026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

●A172.67.144.1692026-04-21 → 2026-07-01 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
● 2026-07-01 03:14:00

○A184.168.221.342017-02-15 → 2017-02-15 · 4 obs

○ 2016-05-07 02:15:58
● 2017-02-15 22:36:30
○ 2019-03-29 06:12:18
○ 2026-07-01 03:14:00

●A2606:4700:3032::ac43:90a92026-07-01 → 2026-07-01 · 2 obs

○ 2026-04-21 19:34:30
● 2026-07-01 03:14:00

●A2606:4700:3033::6815:5f732026-07-01 → 2026-07-01 · 2 obs

○ 2026-04-21 19:34:30
● 2026-07-01 03:14:00

○A2606:4700:3034::6815:5f732026-04-21 → 2026-04-21 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
○ 2026-07-01 03:14:00

○A2606:4700:3036::ac43:90a92026-04-21 → 2026-04-21 · 3 obs

○ 2019-03-29 06:12:18
● 2026-04-21 19:34:30
○ 2026-07-01 03:14:00

○A31.43.160.62026-04-21 → 2026-07-01 · 2 obs

○ 2026-04-21 19:34:30
○ 2026-07-01 03:14:00

○A31.43.161.62026-04-21 → 2026-07-01 · 2 obs

○ 2026-04-21 19:34:30
○ 2026-07-01 03:14:00

○A50.63.202.582015-07-03 → 2016-02-01 · 4 obs

● 2015-07-03 21:09:44
● 2016-02-01 23:24:16
○ 2016-05-07 02:15:58
○ 2026-07-01 03:14:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
sys-core.com	lee.ns.cloudflare.com, sima.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.129

NS records: lee.ns.cloudflare.com, sima.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 196ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.144.169, 104.21.95.115`
AAAA	2	`2606:4700:3033::6815:5f73, 2606:4700:3032::ac43:90a9`
NS	2	`lee.ns.cloudflare.com, sima.ns.cloudflare.com`
MX	6	`aspmx.l.google.com (pri: 1), smtp.google.com (pri: 1)...`
TXT	7	`asv=9dcd859dded709d1ae6702693cee2397, atlassian-domain-verification=bXMRV6C2eP...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lee.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sys-core.com directs to four IP numbers, which are 104.21.95.115, 172.67.144.169, 2606:4700:3032::ac43:90a9 and 2606:4700:3033::6815:5f73.

Additional host names — ghjhlaw.com, www.ninjaplay88proxyz.com, easyrenttogo.ch and two others — share IP numbers with sys-core.com.

Name Servers

sys-core.com uses two name servers for its delegation: lee.ns.cloudflare.com and sima.ns.cloudflare.com.

sys-core.com shares its name server setup with other domains, including intuitclaim.com, wiesendorf.net, videogamejusticegroup.com and two others.

At least some of sys-core.com's name servers are shared with other domains, for example dcbalance.be, marinoxysent.sbs, nim.lt and two more.

These name servers tend to be used in conjunction with the name servers galilea.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname lee.ns.cloudflare.com directs to 108.162.193.129, 172.64.33.129 and 173.245.59.129 along with 3 other IP addresses.

Hostname sima.ns.cloudflare.com directs to 108.162.192.222, 172.64.32.222 and 173.245.58.222 along with 3 other IP addresses.

Mail Servers

sys-core.com uses 6 mail servers for delivery: smtp.google.com, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other.

sys-core.com shares mail servers — at least in part — with other domains, including ns500698.ns500698.ns500698.ns500758.ns500735.ns500735.ns500735.ns500576.ns500708.ns500698.ns500619.ns500686.ns500619.ns500576.trackreceptor.com, ns500765.ns500765.ns500734.ns500693.ns500699.ns500699.ns500588.ns500699.ns500693.ns500588.ns500699.ns500693.ns500588.ns500632.ns500632.ns500588.ns500588.dtrkdll.com, ns500693.ns500734.ns500734.ns500699.ns500734.ns500588.ns500693.ns500632.ns500612.ns500612.ns500578.ns500110.dtrkdll.com and two others.

These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 4 other.

Host names with 9 IP numbers:

Hostname smtp.google.com directs to 172.253.62.26, 172.253.62.27 and 172.253.115.26 along with 6 other IP addresses.

Host names with two IP numbers:

aspmx.l.google.com directs traffic to 64.233.180.27 and 2607:f8b0:4004:c21::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.