`worldchallange.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
NS	`ns.buydomains.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`

`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=1774398522

Same first word

worldchallange.com

DNS History

5 records (3 active, 2 former)

●NSns.buydomains.com2026-03-21 → 2026-03-25 · 3 obs

○ 2017-06-25 17:58:08
● 2026-03-21 06:14:06
● 2026-03-25 00:38:28

○NSns1.dnsaddress.com2015-06-19 → 2017-06-25 · 4 obs

● 2015-06-19 13:29:46
● 2017-06-25 17:58:08
○ 2026-03-21 06:14:06
○ 2026-03-25 00:38:28

●NSthis-domain-for-sale.com2026-03-21 → 2026-03-25 · 3 obs

○ 2017-06-25 17:58:08
● 2026-03-21 06:14:06
● 2026-03-25 00:38:28

●A207.148.248.1432026-03-21 → 2026-03-25 · 3 obs

○ 2017-06-25 17:58:08
● 2026-03-21 06:14:06
● 2026-03-25 00:38:28

○A23.23.174.1322015-06-19 → 2017-06-25 · 4 obs

● 2015-06-19 13:29:46
● 2017-06-25 17:58:08
○ 2026-03-21 06:14:06
○ 2026-03-25 00:38:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
worldchallange.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for worldchallange.com (unsigned zone)

⏱️ Timing

Total: 217ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

worldchallange.com resolves to one IP number: 207.148.248.143.

other host names including a5.hairstyler.net, agribusinessinnovation.com, happygreece.com, cybercaves.com and universalsims.com share IP numbers with worldchallange.com.

Name Servers

worldchallange.com is delegated to two name servers this-domain-for-sale.com and ns.buydomains.com.

worldchallange.com shares the same name server setup as other domains, for instance debtdestroy.com, inventingdinner.com, fpro.net, vizualiza.com and toolregistry.com.

worldchallange.com shares at least some name servers with other domains, for example christianathlete.org, btce.net and mountainspy.com.

Host names with a single IP:

this-domain-for-sale.com points to 52.20.26.87.

ns.buydomains.com points to 52.20.26.87.

Host names pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com.

worldchallange.com - robtex.com