sysclass.com - dns.ninja

`sysclass.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d1e9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:55c4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.196^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.233^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`casey.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`casey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`casey.ns.cloudflare.com`
		A	108.162.195.158^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	162.159.44.158^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	172.64.35.158^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
NS	`danica.ns.cloudflare.com`
		A	2606:4700:50::a29f:26bb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`danica.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2bb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`danica.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22bb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`danica.ns.cloudflare.com`
		A	108.162.194.187^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`danica.ns.cloudflare.com`
		A	162.159.38.187^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`danica.ns.cloudflare.com`
		A	172.64.34.187^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`danica.ns.cloudflare.com`
MX	`mail.sysclass.com` ⭐
		A	67.210.238.220^{🇺🇸 GIPN-PRI-AS67.210.238.0/23 PNAP-DAL giglinx}
			PTR	`mail.sysclass.com`
TXT	`google-site-verification=W3ppBoPCEnYlW6qf5W3JhLf9QuU14x4-k9l2VaiT-CU`
TXT	`v=spf1 include:_spf.mlsend.com ip4:67.210.238.220 mx a:mail.sysclass.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.85.196, 172.67.209.233
		IPv6 hints	2606:4700:3031::ac43:d1e9, 2606:4700:3036::6815:55c4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOA	`casey.ns.cloudflare.com`dns@cloudflare.com serial=2406761493

`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=1782939621

WOT: SAFE (69/100)

Previously NS for

sysclass.com

Subdomains

mail.sysclass.com

www.sysclass.com

ns1.sysclass.com

ns3.sysclass.com

ns2.sysclass.com

Same first word

sysclass.com

sysclass.com.br

Similar names

cyssalss.com

DNS History

15 records (7 active, 8 former)

●NScasey.ns.cloudflare.com2026-03-17 → 2026-07-01 · 3 obs

○ 2017-08-28 09:11:26
● 2026-03-17 14:21:18
● 2026-07-01 21:07:18

●NSdanica.ns.cloudflare.com2026-03-17 → 2026-07-01 · 3 obs

○ 2017-08-28 09:11:26
● 2026-03-17 14:21:18
● 2026-07-01 21:07:18

○NSns1.sysclass.com2015-05-20 → 2017-08-28 · 4 obs

● 2015-05-20 03:30:16
● 2017-08-28 09:11:26
○ 2026-03-17 14:21:18
○ 2026-07-01 21:07:18

○NSns2.sysclass.com2015-05-20 → 2017-08-28 · 4 obs

● 2015-05-20 03:30:16
● 2017-08-28 09:11:26
○ 2026-03-17 14:21:18
○ 2026-07-01 21:07:18

○NSns3.sysclass.com2016-03-19 → 2017-08-28 · 5 obs

○ 2015-05-20 03:30:16
● 2016-03-19 02:04:50
● 2017-08-28 09:11:26
○ 2026-03-17 14:21:18
○ 2026-07-01 21:07:18

○NSsysclass.com2015-05-20 → 2017-08-28 · 4 obs

● 2015-05-20 03:30:16
● 2017-08-28 09:11:26
○ 2026-03-17 14:21:18
○ 2026-07-01 21:07:18

●MXmail.sysclass.com2015-05-20 → 2026-07-01 · 2 obs

● 2015-05-20 03:30:16
● 2026-07-01 21:07:18

●A104.21.85.1962026-03-17 → 2026-07-01 · 3 obs

○ 2017-08-28 09:11:26
● 2026-03-17 14:21:18
● 2026-07-01 21:07:18

●A172.67.209.2332026-03-17 → 2026-07-01 · 3 obs

○ 2017-08-28 09:11:26
● 2026-03-17 14:21:18
● 2026-07-01 21:07:18

○A173.193.157.1622015-05-20 → 2015-10-14 · 4 obs

● 2015-05-20 03:30:16
● 2015-10-14 19:56:54
○ 2015-12-14 01:49:54
○ 2026-07-01 21:07:18

○A209.126.101.122017-01-29 → 2017-08-28 · 5 obs

○ 2016-03-19 02:04:50
● 2017-01-29 13:24:28
● 2017-08-28 09:11:26
○ 2026-03-17 14:21:18
○ 2026-07-01 21:07:18

●A2606:4700:3031::ac43:d1e92026-03-17 → 2026-07-01 · 3 obs

○ 2017-08-28 09:11:26
● 2026-03-17 14:21:18
● 2026-07-01 21:07:18

○A2606:4700:3032::6815:55c42026-03-17 → 2026-05-30 · 5 obs

○ 2017-08-28 09:11:26
● 2026-03-17 14:21:18
● 2026-05-30 07:27:34
○ 2026-07-01 12:51:08
○ 2026-07-01 21:07:18

●A2606:4700:3036::6815:55c42026-07-01 → 2026-07-01 · 3 obs

○ 2026-05-30 07:27:34
● 2026-07-01 12:51:08
● 2026-07-01 21:07:18

○A80.86.91.1192015-12-14 → 2016-03-19 · 5 obs

○ 2015-10-14 19:56:54
● 2015-12-14 01:49:54
● 2016-03-19 02:04:50
○ 2017-01-29 13:24:28
○ 2026-07-01 21:07:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sysclass.com	danica.ns.cloudflare.com, casey.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.187

NS records: danica.ns.cloudflare.com, casey.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 226ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.85.196, 172.67.209.233`
AAAA	2	`2606:4700:3031::ac43:d1e9, 2606:4700:3036::6815:55c4`
NS	2	`casey.ns.cloudflare.com, danica.ns.cloudflare.com`
MX	1	`mail.sysclass.com (pri: 10)`
TXT	2	`google-site-verification=W3ppBoPCEnYlW6q, v=spf1 include:_spf.mlsend.com ip4:67.21`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`casey.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mail.sysclass.com, www.sysclass.com, ns1.sysclass.com, ns3.sysclass.com and ns2.sysclass.com are all subdomains of sysclass.com.

IP Addresses

sysclass.com points to the four IP addresses 104.21.85.196, 172.67.209.233, 2606:4700:3031::ac43:d1e9 and 2606:4700:3036::6815:55c4.

Additional host names — synthzenit-hflow.click, valeonline.net, www.camscentro.com and two others — share IP numbers with sysclass.com.

Name Servers

The NS records for sysclass.com delegate to casey.ns.cloudflare.com and danica.ns.cloudflare.com.

sysclass.com shares its name server setup with other domains, including fljh520.xyz, rovomedia.com, agtu.net and two others.

The name servers of sysclass.com overlap at least partially with those of other domains — among them 2z2.top, rark31.ru, touyouxi.cn and two more.

These name servers commonly appear alongside the name servers kim.ns.cloudflare.com and adam.ns.cloudflare.com.

Host names with 6 IP numbers:

casey.ns.cloudflare.com maps to 108.162.195.158, 162.159.44.158, 172.64.35.158 and 3 additional IP addresses.

danica.ns.cloudflare.com maps to 108.162.194.187, 162.159.38.187, 172.64.34.187 and 3 additional IP addresses.

Mail Servers

sysclass.com has one mail server: mail.sysclass.com.

sysclass.com shares its mail server setup with other domains, such as americas.com.br.

mail.sysclass.com resolves to 67.210.238.220 and no other IP number.