`sdchk.net`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3033::6815:11e0^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b29e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.224^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.158^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c178^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2178^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivan.ns.cloudflare.com`
		A	108.162.193.120^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	172.64.33.120^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
		A	173.245.59.120^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivan.ns.cloudflare.com`
NS	`pat.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pat.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pat.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pat.ns.cloudflare.com`
		A	108.162.192.139^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pat.ns.cloudflare.com`
		A	172.64.32.139^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pat.ns.cloudflare.com`
		A	173.245.58.139^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pat.ns.cloudflare.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.17.224, 172.67.178.158
		IPv6 hints	2606:4700:3033::6815:11e0, 2606:4700:3034::ac43:b29e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOA	`ivan.ns.cloudflare.com`dns@cloudflare.com serial=2403716278

`net`

	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=1778626306

Same first word

sdchk.com

sdchk.org

sdchk.net

Similar names

hkcsd.com

dksch.com

khscd.gov.sd

hcsdk.com

cdshk.com

cdkhs.com

chdsk.com

cdshk.org

shdck.com

kcdhs.org

shckd.com

dhcks.net

hdksc.com

chdsk.ru

hdskc.top

shckd.cn

kdhsc.co.kr

kchds.pl

scdhk.com

schdk.com

hkdsc.com

cdshk.ddns.net

chkds.com

shkdc.cn

cdhks.de

hcskd.com

kcdsh.org

dkhcs.com

hksdc.com

dschk.com

kdsch.com

DNS History

14 records (6 active, 8 former)

●NSivan.ns.cloudflare.com2026-04-09 → 2026-05-12 · 3 obs

○ 2017-04-10 16:38:42
● 2026-04-09 09:24:30
● 2026-05-12 23:05:26

○NSns5.sdchk.net2015-06-21 → 2017-04-10 · 4 obs

● 2015-06-21 11:48:10
● 2017-04-10 16:38:42
○ 2026-04-09 09:24:30
○ 2026-05-12 23:05:26

○NSns6.sdchk.net2015-06-21 → 2017-04-10 · 4 obs

● 2015-06-21 11:48:10
● 2017-04-10 16:38:42
○ 2026-04-09 09:24:30
○ 2026-05-12 23:05:26

●NSpat.ns.cloudflare.com2026-04-09 → 2026-05-12 · 3 obs

○ 2017-04-10 16:38:42
● 2026-04-09 09:24:30
● 2026-05-12 23:05:26

○MXmx.sdchk.net2015-06-21 → 2017-04-10 · 4 obs

● 2015-06-21 11:48:10
● 2017-04-10 16:38:42
○ 2026-04-09 09:24:30
○ 2026-05-12 23:05:26

●A104.21.17.2242026-04-09 → 2026-05-12 · 6 obs

○ 2017-04-10 16:38:42
● 2026-04-09 09:24:30
● 2026-04-13 10:53:46
○ 2026-04-13 11:27:44
● 2026-04-16 00:03:40
● 2026-05-12 23:05:26

●A172.67.178.1582026-04-09 → 2026-05-12 · 6 obs

○ 2017-04-10 16:38:42
● 2026-04-09 09:24:30
● 2026-04-13 10:53:46
○ 2026-04-13 11:27:44
● 2026-04-16 00:03:40
● 2026-05-12 23:05:26

○A188.114.96.02026-04-13 → 2026-04-13 · 4 obs

○ 2026-04-13 10:53:46
● 2026-04-13 11:27:44
○ 2026-04-16 00:03:40
○ 2026-05-12 23:05:26

○A188.114.97.02026-04-13 → 2026-04-13 · 4 obs

○ 2026-04-13 10:53:46
● 2026-04-13 11:27:44
○ 2026-04-16 00:03:40
○ 2026-05-12 23:05:26

○A210.17.188.1802015-06-21 → 2017-04-10 · 4 obs

● 2015-06-21 11:48:10
● 2017-04-10 16:38:42
○ 2026-04-09 09:24:30
○ 2026-05-12 23:05:26

●A2606:4700:3033::6815:11e02026-04-09 → 2026-05-12 · 6 obs

○ 2017-04-10 16:38:42
● 2026-04-09 09:24:30
● 2026-04-13 10:53:46
○ 2026-04-13 11:27:44
● 2026-04-16 00:03:40
● 2026-05-12 23:05:26

●A2606:4700:3034::ac43:b29e2026-04-09 → 2026-05-12 · 6 obs

○ 2017-04-10 16:38:42
● 2026-04-09 09:24:30
● 2026-04-13 10:53:46
○ 2026-04-13 11:27:44
● 2026-04-16 00:03:40
● 2026-05-12 23:05:26

○A2a06:98c1:3120::2026-04-13 → 2026-04-13 · 4 obs

○ 2026-04-13 10:53:46
● 2026-04-13 11:27:44
○ 2026-04-16 00:03:40
○ 2026-05-12 23:05:26

○A2a06:98c1:3121::2026-04-13 → 2026-04-13 · 4 obs

○ 2026-04-13 10:53:46
● 2026-04-13 11:27:44
○ 2026-04-16 00:03:40
○ 2026-05-12 23:05:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net...	-
sdchk.net	ivan.ns.cloudflare.com, pat.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.120

NS records: ivan.ns.cloudflare.com, pat.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 390ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.17.224, 172.67.178.158`
AAAA	2	`2606:4700:3034::ac43:b29e, 2606:4700:3033::6815:11e0`
NS	2	`ivan.ns.cloudflare.com, pat.ns.cloudflare.com`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ivan.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

sdchk.net resolves to four IP numbers: 2606:4700:3033::6815:11e0, 2606:4700:3034::ac43:b29e, 104.21.17.224 and 172.67.178.158.

other host names for instance solar-home.org, agilespin.com, bintangmpo.run, qyetbx.cn and pontiacspace.click share IP numbers with sdchk.net.

Name Servers

sdchk.net is delegated to two name servers: ivan.ns.cloudflare.com and pat.ns.cloudflare.com.

sdchk.net shares the same name server setup as other domains, for example loveu.hk, akpartikars.org.tr, illsley.org, europesbig5.com and akpartikocaeli.org.tr.

sdchk.net at least partially shares name servers with other domains, for instance mtwcareers.com, guizhou-cn.com, mazautoglass.com, eyecomvisual.com and rackline.cl.

These name servers are commonly used with the name servers celine.ns.cloudflare.com.

Host names with six IP numbers:

ivan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b78, 2803:f800:50::6ca2:c178, 2a06:98c1:50::ac40:2178, 108.162.193.120, 172.64.33.120 and 173.245.59.120; pat.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8b, 2803:f800:50::6ca2:c08b, 2a06:98c1:50::ac40:208b, 108.162.192.139, 172.64.32.139 and 173.245.58.139.

sdchk.net - robtex.com

sdchk.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`sdchk.net`

`net`