gridchallenge.com - dns.ninja

`gridchallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:d1fd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3aeb^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.235^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.253^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dexter.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dexter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dexter.ns.cloudflare.com`
		A	108.162.195.190^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	162.159.44.190^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	172.64.35.190^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
NS	`grannbo.ns.cloudflare.com`
		A	2606:4700:50::a29f:2696^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c296^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grannbo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2296^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grannbo.ns.cloudflare.com`
		A	108.162.194.150^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	162.159.38.150^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
		A	172.64.34.150^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grannbo.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁵⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=bNU9A7zDTkskaCA6Cad1-55nf0oeHaUHutxNL-LtEJU`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.235, 172.67.209.253
		IPv6 hints	2606:4700:3035::ac43:d1fd, 2606:4700:3036::6815:3aeb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=13, name=cloudflare-ech.com
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2409550512

`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=1786736769

Same first word

gridchallenge.com

DNS History

36 records (9 active, 27 former)

●NSdexter.ns.cloudflare.com2026-07-09 → 2026-08-14 · 3 obs

○ 2026-04-16 02:15:36
● 2026-07-09 17:18:30
● 2026-08-14 20:10:28

○NSdns1.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

○NSdns2.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

○NSdns3.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

○NSdns4.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

○NSdns5.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

●NSgrannbo.ns.cloudflare.com2026-07-09 → 2026-08-14 · 3 obs

○ 2026-04-16 02:15:36
● 2026-07-09 17:18:30
● 2026-08-14 20:10:28

○NSns1.atom.com2026-04-06 → 2026-08-14 · 2 obs

○ 2026-04-06 00:28:16
○ 2026-08-14 20:10:28

○NSns1.namebrightdns.com2026-04-06 → 2026-04-16 · 5 obs

○ 2017-03-28 12:21:02
● 2026-04-06 00:28:16
● 2026-04-16 02:15:36
○ 2026-07-09 17:18:30
○ 2026-08-14 20:10:28

○NSns2.atom.com2026-04-06 → 2026-08-14 · 2 obs

○ 2026-04-06 00:28:16
○ 2026-08-14 20:10:28

○NSns2.namebrightdns.com2026-04-06 → 2026-04-16 · 5 obs

○ 2017-03-28 12:21:02
● 2026-04-06 00:28:16
● 2026-04-16 02:15:36
○ 2026-07-09 17:18:30
○ 2026-08-14 20:10:28

○NSns29.domaincontrol.com2015-12-21 → 2017-03-28 · 5 obs

○ 2015-10-17 03:16:36
● 2015-12-21 01:41:40
● 2017-03-28 12:21:02
○ 2026-04-06 00:28:16
○ 2026-08-14 20:10:28

○NSns30.domaincontrol.com2015-12-21 → 2017-03-28 · 5 obs

○ 2015-10-17 03:16:36
● 2015-12-21 01:41:40
● 2017-03-28 12:21:02
○ 2026-04-06 00:28:16
○ 2026-08-14 20:10:28

○MXeforward1.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

○MXeforward2.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

○MXeforward3.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

○MXeforward4.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

○MXeforward5.registrar-servers.com2015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

○MXmail1.namebrightmail.com2026-04-06 → 2026-04-16 · 5 obs

○ 2017-03-28 12:21:02
● 2026-04-06 00:28:16
● 2026-04-16 02:15:36
○ 2026-07-09 17:18:30
○ 2026-08-14 20:10:28

○MXmail2.namebrightmail.com2026-04-06 → 2026-04-16 · 5 obs

○ 2017-03-28 12:21:02
● 2026-04-06 00:28:16
● 2026-04-16 02:15:36
○ 2026-07-09 17:18:30
○ 2026-08-14 20:10:28

○MXmailstore1.secureserver.net2015-12-21 → 2017-03-28 · 5 obs

○ 2015-10-17 03:16:36
● 2015-12-21 01:41:40
● 2017-03-28 12:21:02
○ 2026-04-06 00:28:16
○ 2026-08-14 20:10:28

●MXroute1.mx.cloudflare.net2026-07-22 → 2026-08-14 · 3 obs

○ 2026-07-09 17:18:30
● 2026-07-22 15:39:00
● 2026-08-14 20:10:28

●MXroute2.mx.cloudflare.net2026-07-22 → 2026-08-14 · 3 obs

○ 2026-07-09 17:18:30
● 2026-07-22 15:39:00
● 2026-08-14 20:10:28

●MXroute3.mx.cloudflare.net2026-07-22 → 2026-08-14 · 3 obs

○ 2026-07-09 17:18:30
● 2026-07-22 15:39:00
● 2026-08-14 20:10:28

○MXsmtp.secureserver.net2015-12-21 → 2017-03-28 · 5 obs

○ 2015-10-17 03:16:36
● 2015-12-21 01:41:40
● 2017-03-28 12:21:02
○ 2026-04-06 00:28:16
○ 2026-08-14 20:10:28

●A104.21.58.2352026-07-09 → 2026-08-14 · 3 obs

○ 2026-04-16 02:15:36
● 2026-07-09 17:18:30
● 2026-08-14 20:10:28

○A162.255.119.1692015-05-22 → 2015-05-22 · 3 obs

● 2015-05-22 21:19:18
○ 2015-10-17 03:16:36
○ 2026-08-14 20:10:28

●A172.67.209.2532026-07-09 → 2026-08-14 · 3 obs

○ 2026-04-16 02:15:36
● 2026-07-09 17:18:30
● 2026-08-14 20:10:28

○A184.168.221.592015-12-21 → 2017-03-28 · 5 obs

○ 2015-10-17 03:16:36
● 2015-12-21 01:41:40
● 2017-03-28 12:21:02
○ 2026-04-06 00:28:16
○ 2026-08-14 20:10:28

○A2600:1f18:4ae:c607:5974:bfa8:d54b:7fe52026-04-06 → 2026-04-16 · 5 obs

○ 2017-03-28 12:21:02
● 2026-04-06 00:28:16
● 2026-04-16 02:15:36
○ 2026-07-09 17:18:30
○ 2026-08-14 20:10:28

○A2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd2026-04-06 → 2026-04-16 · 5 obs

○ 2017-03-28 12:21:02
● 2026-04-06 00:28:16
● 2026-04-16 02:15:36
○ 2026-07-09 17:18:30
○ 2026-08-14 20:10:28

●A2606:4700:3035::ac43:d1fd2026-07-09 → 2026-08-14 · 3 obs

○ 2026-04-16 02:15:36
● 2026-07-09 17:18:30
● 2026-08-14 20:10:28

●A2606:4700:3036::6815:3aeb2026-07-09 → 2026-08-14 · 3 obs

○ 2026-04-16 02:15:36
● 2026-07-09 17:18:30
● 2026-08-14 20:10:28

○A44.208.83.1802026-04-06 → 2026-04-16 · 5 obs

○ 2017-03-28 12:21:02
● 2026-04-06 00:28:16
● 2026-04-16 02:15:36
○ 2026-07-09 17:18:30
○ 2026-08-14 20:10:28

○A52.20.84.622026-04-06 → 2026-08-14 · 2 obs

○ 2026-04-06 00:28:16
○ 2026-08-14 20:10:28

○A54.84.240.2352026-04-06 → 2026-04-16 · 5 obs

○ 2017-03-28 12:21:02
● 2026-04-06 00:28:16
● 2026-04-16 02:15:36
○ 2026-07-09 17:18:30
○ 2026-08-14 20:10:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
gridchallenge.com	grannbo.ns.cloudflare.com, dexter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.190

NS records: grannbo.ns.cloudflare.com, dexter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gridchallenge.com (unsigned zone)

⏱️ Timing

Total: 231ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.209.253, 104.21.58.235`
AAAA	2	`2606:4700:3035::ac43:d1fd, 2606:4700:3036::6815:3aeb`
NS	2	`dexter.ns.cloudflare.com, grannbo.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 17), route2.mx.cloudflare.net (pri: 54)...`
TXT	2	`google-site-verification=bNU9A7zDTkskaCA, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dexter.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

gridchallenge.com resolves to four IP addresses: 104.21.58.235, 172.67.209.253, 2606:4700:3035::ac43:d1fd and 2606:4700:3036::6815:3aeb.

Among the host names that share IP numbers with gridchallenge.com are holidaysalou.com, hoodhargettbreakfastclub.com, (0x787878)(0x786e7878).wtf and two others.

Name Servers

gridchallenge.com has two authoritative name servers — dexter.ns.cloudflare.com and grannbo.ns.cloudflare.com.

gridchallenge.com has the same name server delegation as a number of other domains, such as skyinvestments.com, webprogrammer.net, workinnovation.com and two more.

gridchallenge.com shares at least some of its name servers with other domains, including bqi.com, ouwas.cc, designbee.net and two others.

These name servers are frequently paired with the name servers norm.ns.cloudflare.com and diva.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

dexter.ns.cloudflare.com points to 108.162.195.190, 162.159.44.190, 172.64.35.190 and 3 other IP addresses.

grannbo.ns.cloudflare.com points to 108.162.194.150, 162.159.38.150, 172.64.34.150 and 3 other IP addresses.

Mail Servers

gridchallenge.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

gridchallenge.com shares at least some of its mail servers with other domains — for example news.pvt.ge, alueau.com, quantex.shop and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.