challenge4.com - dns.ninja

`challenge4.com`

DNSSEC	⚠️ Not signed
A	2001:67c:38c::64^{🇸🇬 WORLD-NEWS2001:67c:38c::/48 World News BGP}
		PTR	`wnstatic1.wn.com`
A	2001:67c:38c::65^{🇸🇬 WORLD-NEWS2001:67c:38c::/48 World News BGP}
A	195.149.84.100^{🇸🇬 WORLD-NEWS195.149.84.0/24 WORLDNEWS}
A	195.149.84.101^{🇸🇬 WORLD-NEWS195.149.84.0/24 WORLDNEWS}
NS	`redbusprimarydns.worldnews.com` ⭐
		A	2001:67c:38c::e7^{🇸🇬 WORLD-NEWS2001:67c:38c::/48 World News BGP}
			PTR	`dns1.wn.com`
		A	195.149.84.231^{🇸🇬 WORLD-NEWS195.149.84.0/24 WORLDNEWS}
NS	`redbusprimarydns.challenge4.com` ⚠️ Not in parent delegation
		A	2001:67c:38c::e7^{🇸🇬 WORLD-NEWS2001:67c:38c::/48 World News BGP}
			PTR	`dns1.wn.com`
		A	195.149.84.231^{🇸🇬 WORLD-NEWS195.149.84.0/24 WORLDNEWS}
NS	`redbusprimarydns.wn.com` ⚠️ Not in zone NS records
		A	2001:67c:38c::e7^{🇸🇬 WORLD-NEWS2001:67c:38c::/48 World News BGP}
			PTR	`dns1.wn.com`
		A	195.149.84.231^{🇸🇬 WORLD-NEWS195.149.84.0/24 WORLDNEWS}
NS	`redbussecondarydns.challenge4.com` ⚠️ Not in parent delegation
		A	2001:67c:38c::e8^{🇸🇬 WORLD-NEWS2001:67c:38c::/48 World News BGP}
			PTR	`dns2.wn.com`
		A	195.149.84.232^{🇸🇬 WORLD-NEWS195.149.84.0/24 WORLDNEWS}
NS	`redbussecondarydns.wn.com` ⚠️ Not in zone NS records
		A	2001:67c:38c::e8^{🇸🇬 WORLD-NEWS2001:67c:38c::/48 World News BGP}
			PTR	`dns2.wn.com`
		A	195.149.84.232^{🇸🇬 WORLD-NEWS195.149.84.0/24 WORLDNEWS}
TXT	`v=spf1 -all`
SOA	`redbusprimarydns.worldnews.com`root@wn.com serial=1679954365

`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=1783188761

Subdomains

redbussecondarydns.challenge4.com

redbusprimarydns.challenge4.com

Same first word

challenge4.de

challenge4.com

Similar names

4challenge.com

4challenge.net

4challenge.org

4challenge.eu

4challenge.pl

DNS History

9 records (9 active, 0 former)

●NSredbusprimarydns.challenge4.com2015-06-13 → 2026-07-04 · 2 obs

● 2015-06-13 11:23:10
● 2026-07-04 18:34:24

●NSredbusprimarydns.wn.com2026-03-13 → 2026-07-04 · 3 obs

○ 2015-06-13 11:23:10
● 2026-03-13 03:09:40
● 2026-07-04 18:34:24

●NSredbusprimarydns.worldnews.com2026-03-13 → 2026-07-04 · 3 obs

○ 2015-06-13 11:23:10
● 2026-03-13 03:09:40
● 2026-07-04 18:34:24

●NSredbussecondarydns.challenge4.com2015-06-13 → 2026-07-04 · 2 obs

● 2015-06-13 11:23:10
● 2026-07-04 18:34:24

●NSredbussecondarydns.wn.com2026-03-13 → 2026-07-04 · 3 obs

○ 2015-06-13 11:23:10
● 2026-03-13 03:09:40
● 2026-07-04 18:34:24

●A195.149.84.1002015-06-13 → 2026-07-04 · 2 obs

● 2015-06-13 11:23:10
● 2026-07-04 18:34:24

●A195.149.84.1012015-06-13 → 2026-07-04 · 2 obs

● 2015-06-13 11:23:10
● 2026-07-04 18:34:24

●A2001:67c:38c::642015-06-13 → 2026-07-04 · 2 obs

● 2015-06-13 11:23:10
● 2026-07-04 18:34:24

●A2001:67c:38c::652015-06-13 → 2026-07-04 · 2 obs

● 2015-06-13 11:23:10
● 2026-07-04 18:34:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
challenge4.com	redbusprimarydns.wn.com, redbussecondarydns.wn.com	2 records

✅ Authoritative Response

Server:195.149.84.232

NS records: redbusprimarydns.wn.com, redbussecondarydns.wn.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challenge4.com (unsigned zone)

⏱️ Timing

Total: 315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`195.149.84.100, 195.149.84.101`
AAAA	2	`2001:67c:38c::65, 2001:67c:38c::64`
NS	2	`redbussecondarydns.challenge4.com, redbusprimarydns.challenge4.com`
TXT	1	`v=spf1 -all`
SOA	1	`redbusprimarydns.worldnews.com root.wn.c`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (redbusprimarydns.wn.com, redbussecondarydns.wn.com)

Analysis

Hierarchy

challenge4.com is the parent domain of redbussecondarydns.challenge4.com and redbusprimarydns.challenge4.com.

IP Addresses

challenge4.com has four IP addresses: 195.149.84.100, 195.149.84.101, 2001:67c:38c::64 and 2001:67c:38c::65.

Additional host names — melaka.com, nihv.com, platforms.com and two others — share IP numbers with challenge4.com.

Name Servers

Delegation for challenge4.com is to five name servers: redbusprimarydns.challenge4.com, redbussecondarydns.challenge4.com, redbusprimarydns.wn.com and two others.

challenge4.com partially shares its NS delegation with several other domains, including pompiers.com, rmt.com, radioactual.com and two others.

In DNS configurations, these name servers often share authority with redbussecondarydns.wn.com, redbusprimarydns.worldnews.com, redbusprimarydns.pompiers.com and 7 other name servers.

Host names with two IP numbers:

redbusprimarydns.challenge4.com resolves to 195.149.84.231 and 2001:67c:38c::e7.

redbussecondarydns.challenge4.com resolves to 195.149.84.232 and 2001:67c:38c::e8.

redbusprimarydns.wn.com resolves to 195.149.84.231 and 2001:67c:38c::e7.

redbussecondarydns.wn.com resolves to 195.149.84.232 and 2001:67c:38c::e8.

redbusprimarydns.worldnews.com resolves to 195.149.84.231 and 2001:67c:38c::e7.

redbusprimarydns.challenge4.com, redbusprimarydns.wn.com and redbusprimarydns.worldnews.com are host names that all point to 2001:67c:38c::e7.

redbusprimarydns.challenge4.com, redbusprimarydns.wn.com and redbusprimarydns.worldnews.com are host names that all point to 195.149.84.231.

The host names redbussecondarydns.challenge4.com and redbussecondarydns.wn.com both resolve to 2001:67c:38c::e8 IP addresses.

The host names redbussecondarydns.challenge4.com and redbussecondarydns.wn.com both resolve to 195.149.84.232 IP addresses.