`heroworldchallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:ba38^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5095^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.149^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.56^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`art.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c166^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`art.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2166^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`art.ns.cloudflare.com`
		A	108.162.193.102^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	172.64.33.102^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	173.245.59.102^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
NS	`daisy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`daisy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`daisy.ns.cloudflare.com`
		A	108.162.192.90^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
		A	172.64.32.90^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
		A	173.245.58.90^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`daisy.ns.cloudflare.com`
MX	`heroworldchallenge-com.mail.protection.outlook.com` ⭐
TXT	`v=spf1 include:spf.protection.outlook.com include:mktomail.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.80.149, 172.67.186.56
		IPv6	2606:4700:3035::ac43:ba38, 2606:4700:3037::6815:5095
SOA	`art.ns.cloudflare.com`dns@cloudflare.com serial=2399573971

`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=1771291435

Subdomains

www.heroworldchallenge.com

Same first word

heroworldchallenge.com

DNS History

16 records (7 active, 9 former)

●NSart.ns.cloudflare.com2026-03-14 → 2026-03-22 · 3 obs

○ 2016-12-17 12:51:22
● 2026-03-14 12:18:12
● 2026-03-22 20:23:30

●NSdaisy.ns.cloudflare.com2026-03-14 → 2026-03-22 · 3 obs

○ 2016-12-17 12:51:22
● 2026-03-14 12:18:12
● 2026-03-22 20:23:30

○NSns1.p38.dynect.net2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:51:22
○ 2026-03-14 12:18:12
○ 2026-03-22 20:23:30

○NSns2.p38.dynect.net2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:51:22
○ 2026-03-14 12:18:12
○ 2026-03-22 20:23:30

○NSns3.p38.dynect.net2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:51:22
○ 2026-03-14 12:18:12
○ 2026-03-22 20:23:30

○NSns4.p38.dynect.net2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:51:22
○ 2026-03-14 12:18:12
○ 2026-03-22 20:23:30

○NSsdns110.ultradns.biz2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:51:22
○ 2026-03-14 12:18:12
○ 2026-03-22 20:23:30

○NSsdns110.ultradns.com2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:51:22
○ 2026-03-14 12:18:12
○ 2026-03-22 20:23:30

○NSsdns110.ultradns.net2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:51:22
○ 2026-03-14 12:18:12
○ 2026-03-22 20:23:30

○NSsdns110.ultradns.org2016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:51:22
○ 2026-03-14 12:18:12
○ 2026-03-22 20:23:30

●MXheroworldchallenge-com.mail.protection.outlook.com2026-03-14 → 2026-03-22 · 2 obs

● 2026-03-14 12:18:12
● 2026-03-22 20:23:30

●A104.21.80.1492026-03-14 → 2026-03-22 · 3 obs

○ 2016-12-17 12:51:22
● 2026-03-14 12:18:12
● 2026-03-22 20:23:30

●A172.67.186.562026-03-14 → 2026-03-22 · 3 obs

○ 2016-12-17 12:51:22
● 2026-03-14 12:18:12
● 2026-03-22 20:23:30

○A209.102.210.402016-12-17 → 2016-12-17 · 3 obs

● 2016-12-17 12:51:22
○ 2026-03-14 12:18:12
○ 2026-03-22 20:23:30

●A2606:4700:3035::ac43:ba382026-03-14 → 2026-03-22 · 3 obs

○ 2016-12-17 12:51:22
● 2026-03-14 12:18:12
● 2026-03-22 20:23:30

●A2606:4700:3037::6815:50952026-03-14 → 2026-03-22 · 3 obs

○ 2016-12-17 12:51:22
● 2026-03-14 12:18:12
● 2026-03-22 20:23:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
heroworldchallenge.com	art.ns.cloudflare.com, daisy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.90

NS records: art.ns.cloudflare.com, daisy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for heroworldchallenge.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.80.149, 172.67.186.56`
AAAA	2	`2606:4700:3035::ac43:ba38, 2606:4700:3037::6815:5095`
NS	2	`art.ns.cloudflare.com, daisy.ns.cloudflare.com`
MX	1	`heroworldchallenge-com.mail.protection.o`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`art.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.heroworldchallenge.com is a child of heroworldchallenge.com.

IP Addresses

heroworldchallenge.com refers to four IP numbers: 2606:4700:3035::ac43:ba38, 2606:4700:3037::6815:5095, 104.21.80.149 and 172.67.186.56.

Other host names, for instance zheliazkov.com, telecomspricing.com, www.catswithkeyboards.com, xtpos.zyfst.com and skillcamera.com share IP numbers with heroworldchallenge.com.

Name Servers

heroworldchallenge.com's delegation uses two name servers: art.ns.cloudflare.com and daisy.ns.cloudflare.com.

heroworldchallenge.com uses the same name server setup as other domains, such as tigerwoods.com, bcitservices.com, tigerwoodsfoundation.org, playtigeronline.com and flico.lk.

heroworldchallenge.com at least partially shares name servers with other domains, including ebsumrnit.eu, hsmyj.com, baae23.com, operagarden.vn and suburbanbuilders.com.

These name servers are commonly used with tess.ns.cloudflare.com.

Host names with six IP numbers:

art.ns.cloudflare.com points to 2606:4700:58::adf5:3b66, 2803:f800:50::6ca2:c166, 2a06:98c1:50::ac40:2166, 108.162.193.102, 172.64.33.102 and 173.245.59.102.

daisy.ns.cloudflare.com points to 2606:4700:50::adf5:3a5a, 2803:f800:50::6ca2:c05a, 2a06:98c1:50::ac40:205a, 108.162.192.90, 172.64.32.90 and 173.245.58.90.

Mail Servers

A single mail server handles heroworldchallenge.com, heroworldchallenge-com.mail.protection.outlook.com.

heroworldchallenge.com - robtex.com