`gravitychallenges.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6810:cc2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:dc2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:ec2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:fc2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:10c2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.12.194^{Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.13.194^{Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.14.194^{Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.15.194^{Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.16.194^{Cloudflare104.16.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`vick.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bf4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vick.ns.cloudflare.com`
		A	108.162.193.244^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vick.ns.cloudflare.com`
		A	172.64.33.244^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vick.ns.cloudflare.com`
		A	173.245.59.244^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vick.ns.cloudflare.com`
NS	`zoe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c095^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zoe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2095^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zoe.ns.cloudflare.com`
		A	108.162.192.149^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	172.64.32.149^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	173.245.58.149^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2801::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f26.1e100.net`
		A	192.178.128.27^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:3003::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f27.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`facebook-domain-verification=dtp5e82n5zfgl4r1pw1tlf10r1nfiz`
TXT	`google-site-verification=PiJ5gwe9Mk1jm7BK79cjq0m9B9Ece116dXoiEQJiXHI`
TXT	`zoho-verification=zb15779371.zmverify.zoho.com`
SOA	`vick.ns.cloudflare.com`dns@cloudflare.com serial=2398574595

`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=1774560567

📈 Tranco rank: #718,808

Same first word

gravitychallenges.com

DNS History

17 records (17 active, 0 former)

●NSvick.ns.cloudflare.com2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●NSzoe.ns.cloudflare.com2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●MXalt1.aspmx.l.google.com2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●MXalt2.aspmx.l.google.com2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●MXalt3.aspmx.l.google.com2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●MXalt4.aspmx.l.google.com2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●MXaspmx.l.google.com2026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A104.16.12.1942026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A104.16.13.1942026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A104.16.14.1942026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A104.16.15.1942026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A104.16.16.1942026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A2606:4700::6810:10c22026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A2606:4700::6810:cc22026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A2606:4700::6810:dc22026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A2606:4700::6810:ec22026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

●A2606:4700::6810:fc22026-02-15 → 2026-03-26 · 2 obs

● 2026-02-15 17:37:50
● 2026-03-26 21:55:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
gravitychallenges.com	zoe.ns.cloudflare.com, vick.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.244

NS records: zoe.ns.cloudflare.com, vick.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gravitychallenges.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

Type	Count	Sample Data
A	5	`104.16.14.194, 104.16.15.194...`
AAAA	5	`2606:4700::6810:ec2, 2606:4700::6810:10c2...`
NS	2	`vick.ns.cloudflare.com, zoe.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`facebook-domain-verification=dtp5e82n5zf, google-site-verification=PiJ5gwe9Mk1jm7B...`
SOA	1	`vick.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

gravitychallenges.com points to ten IP numbers: 2606:4700::6810:cc2, 2606:4700::6810:dc2, 2606:4700::6810:ec2, 2606:4700::6810:fc2, 2606:4700::6810:10c2, 104.16.12.194, 104.16.13.194, 104.16.14.194, 104.16.15.194 and 104.16.16.194.

Other host names, for instance wilfredling.com, 2kupzwhanau.com, cloudnative.institute, productiveplanner.com and latinowallstreet.com share IP numbers with gravitychallenges.com.

Name Servers

gravitychallenges.com's delegation uses two name servers: vick.ns.cloudflare.com and zoe.ns.cloudflare.com.

gravitychallenges.com uses the same name server setup as other domains, such as pbem.online, markus-vetten.de, digitalbynature.de, imarentals.ro and airportrentacar.ro.

gravitychallenges.com at least partially shares name servers with other domains, including adstxt.dev, chandigarhcityinfo.com, mobiweek.com, wifly.co.il and patriciacentre.ca.

These name servers are often used with aiden.ns.cloudflare.com and etta.ns.cloudflare.com.

Host names with six IP numbers:

vick.ns.cloudflare.com points to 2606:4700:58::adf5:3bf4, 2803:f800:50::6ca2:c1f4, 2a06:98c1:50::ac40:21f4, 108.162.193.244, 172.64.33.244 and 173.245.59.244.

zoe.ns.cloudflare.com points to 2606:4700:50::adf5:3a95, 2803:f800:50::6ca2:c095, 2a06:98c1:50::ac40:2095, 108.162.192.149, 172.64.32.149 and 173.245.58.149.

Mail Servers

gravitychallenges.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

gravitychallenges.com shares at least some mail servers with other domains, for example ns500754.ns500742.ns500742.ns500742.ns500671.ns500705.ns500704.ns500688.ns500291.ns500649.tenderladiesbz.com, admglass.co.uk, ns500731.ns500754.ns500742.ns500742.ns500731.ns500731.ns500742.ns500671.ns500671.ns500704.ns500704.ns500291.ns500649.tenderladiesbz.com, wmncdn.net and ns500731.ns500731.ns500671.ns500754.ns500754.ns500731.ns500731.ns500704.ns500704.ns500291.ns500678.ns500666.ns500666.ns500291.ns500131.lustychickser.com.

These mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4004:c19::1a and 172.253.122.27.

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27.

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.26.

alt3.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.27.

alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1b and 173.194.76.27.

gravitychallenges.com - robtex.com