`checkgrid.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4da6^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d241^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.166^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.65^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`luke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bc8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`luke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`luke.ns.cloudflare.com`
		A	108.162.193.200^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	172.64.33.200^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	173.245.59.200^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
NS	`serenity.ns.cloudflare.com`
		A	2606:4700:50::a29f:266c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serenity.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serenity.ns.cloudflare.com`
		A	108.162.194.108^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	162.159.38.108^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	172.64.34.108^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.77.166, 172.67.210.65
		IPv6	2606:4700:3035::6815:4da6, 2606:4700:3035::ac43:d241
SOA	`luke.ns.cloudflare.com`dns@cloudflare.com serial=2399408427

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1773551953

Same first word

checkgrid.org

checkgrid.info

Similar names

gridcheck.com

gridcheck.net

DNS History

11 records (11 active, 0 former)

●NSluke.ns.cloudflare.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●NSserenity.ns.cloudflare.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●MXeforward1.registrar-servers.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●MXeforward2.registrar-servers.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●MXeforward3.registrar-servers.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●MXeforward4.registrar-servers.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●MXeforward5.registrar-servers.com2026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●A104.21.77.1662026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●A172.67.210.652026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●A2606:4700:3035::6815:4da62026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

●A2606:4700:3035::ac43:d2412026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 14:50:40
● 2026-03-23 14:50:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
checkgrid.org	luke.ns.cloudflare.com, serenity.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.108

NS records: luke.ns.cloudflare.com, serenity.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkgrid.org (unsigned zone)

⏱️ Timing

Total: 2599ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.77.166, 172.67.210.65`
AAAA	2	`2606:4700:3035::ac43:d241, 2606:4700:3035::6815:4da6`
NS	2	`luke.ns.cloudflare.com, serenity.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`luke.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

checkgrid.org maps to four IP numbers: 2606:4700:3035::6815:4da6, 2606:4700:3035::ac43:d241, 104.21.77.166 and 172.67.210.65.

Other host names such as www.zongcaipeixunban.com, yildirim-stougaard-2.mdwrite.net, iiubaq1.cv, mohr-kaya.mdwrite.net and uvrn.cn share IPs with checkgrid.org.

Name Servers

Two name servers luke.ns.cloudflare.com and serenity.ns.cloudflare.com handle the delegation for checkgrid.org.

The name server setup for checkgrid.org is the same as that used by other domains, for instance build.ai, poetiko.organic, meetgee.com and instant-19xiquix.com.

checkgrid.org at least partially shares name servers with other domains, for example 2aa11.com, wowforbusiness.com, neurosphere.pro, adsmedia.co and rx7club.com.

these name servers are commonly used alongside megan.ns.cloudflare.com name servers.

Host names with six IP numbers:

luke.ns.cloudflare.com points to 2606:4700:58::adf5:3bc8, 2803:f800:50::6ca2:c1c8, 2a06:98c1:50::ac40:21c8, 108.162.193.200, 172.64.33.200 and 173.245.59.200.

serenity.ns.cloudflare.com points to 2606:4700:50::a29f:266c, 2803:f800:50::6ca2:c26c, 2a06:98c1:50::ac40:226c, 108.162.194.108, 162.159.38.108 and 172.64.34.108.

Mail Servers

checkgrid.org is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

checkgrid.org shares at least partially some mail servers with other domains, for instance cybergrid.net, rajvansia.com, nternetd.cc, dashlight.co and customtechpc.com.