`humanachallenge.net`

DNSSEC	⚠️ Not signed
NS	`edns1.ultradns.biz` ⚠️ Not in zone NS records
		A	2610:a1:1015::201^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`edns1.ultradns.biz`
			PTR	`udns3.cscdns.net`
			PTR	`udns3.cscdns.uk`
		A	204.74.67.1^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns1.ultradns.biz`
			PTR	`udns3.cscdns.net`
			PTR	`udns3.cscdns.uk`
NS	`edns1.ultradns.com` ⚠️ Not in zone NS records
		A	2001:502:f3ff::201^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
		A	204.74.66.1^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`ns1.alba.bank`
			PTR	`edns1.ultradns.com`
			PTR	`udns1.cscdns.net`
			PTR	`udns1.cscdns.uk`
			PTR	`ns1.webipdns.com.au`
NS	`edns1.ultradns.net` ⚠️ Not in zone NS records
		A	2610:a1:1014::201^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`udns4.cscdns.net`
			PTR	`edns1.ultradns.net`
			PTR	`udns4.cscdns.uk`
		A	204.74.110.1^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`udns4.cscdns.net`
			PTR	`edns1.ultradns.net`
			PTR	`udns4.cscdns.uk`
NS	`edns1.ultradns.org` ⚠️ Not in zone NS records
		A	2001:502:4612::201^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`
		A	204.74.111.1^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`ns2.alba.bank`
			PTR	`udns2.cscdns.net`
			PTR	`edns1.ultradns.org`
			PTR	`udns2.cscdns.uk`
			PTR	`ns2.webipdns.com.au`

`net`

	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=1776029532

Same first word

humanachallenge.com

humanachallenge.net

DNS History

9 records (4 active, 5 former)

●NSedns1.ultradns.biz2026-03-28 → 2026-04-12 · 3 obs

○ 2016-04-20 12:53:18
● 2026-03-28 21:13:34
● 2026-04-12 21:37:12

●NSedns1.ultradns.com2026-03-28 → 2026-04-12 · 3 obs

○ 2016-04-20 12:53:18
● 2026-03-28 21:13:34
● 2026-04-12 21:37:12

●NSedns1.ultradns.net2026-03-28 → 2026-04-12 · 3 obs

○ 2016-04-20 12:53:18
● 2026-03-28 21:13:34
● 2026-04-12 21:37:12

●NSedns1.ultradns.org2026-03-28 → 2026-04-12 · 3 obs

○ 2016-04-20 12:53:18
● 2026-03-28 21:13:34
● 2026-04-12 21:37:12

○NSns43.domaincontrol.com2015-05-20 → 2016-04-20 · 4 obs

● 2015-05-20 17:33:40
● 2016-04-20 12:53:18
○ 2026-03-28 21:13:34
○ 2026-04-12 21:37:12

○NSns44.domaincontrol.com2015-05-20 → 2016-04-20 · 4 obs

● 2015-05-20 17:33:40
● 2016-04-20 12:53:18
○ 2026-03-28 21:13:34
○ 2026-04-12 21:37:12

○MXmailstore1.secureserver.net2015-05-20 → 2016-04-20 · 4 obs

● 2015-05-20 17:33:40
● 2016-04-20 12:53:18
○ 2026-03-28 21:13:34
○ 2026-04-12 21:37:12

○MXsmtp.secureserver.net2015-05-20 → 2016-04-20 · 4 obs

● 2015-05-20 17:33:40
● 2016-04-20 12:53:18
○ 2026-03-28 21:13:34
○ 2026-04-12 21:37:12

○A208.112.110.2302015-05-20 → 2016-04-20 · 4 obs

● 2015-05-20 17:33:40
● 2016-04-20 12:53:18
○ 2026-03-28 21:13:34
○ 2026-04-12 21:37:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
humanachallenge.net	edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.biz, edns1.ultradns.org	2 records

✅ Authoritative Response

Server:204.74.111.1

NS records: edns1.ultradns.com, edns1.ultradns.net, edns1.ultradns.biz, edns1.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for humanachallenge.net (unsigned zone)

⏱️ Timing

Total: 2735ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (edns1.ultradns.net, edns1.ultradns.net)

Analysis

Name Servers

humanachallenge.net is delegated to four name servers: edns1.ultradns.biz, edns1.ultradns.com, edns1.ultradns.net and edns1.ultradns.org.

humanachallenge.net at least partially shares name servers with other domains such as stifelbank.com, emeraldpublications.org, centerwelllouisville.com, centerwellrxtoday.com and southcoastfammed.net.

These name servers are often used together with ns89.ultradns2.com, ns89.ultradns2.org, edns2.ultradns.biz, edns2.ultradns.com, edns2.ultradns.net, edns2.ultradns.org, dns1.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net and dns2.p03.nsone.net.

Host names with two IP numbers:

edns1.ultradns.biz points to 2610:a1:1015::201 and 204.74.67.1

edns1.ultradns.com points to 2001:502:f3ff::201 and 204.74.66.1

edns1.ultradns.net points to 2610:a1:1014::201 and 204.74.110.1

edns1.ultradns.org points to 2001:502:4612::201 and 204.74.111.1

humanachallenge.net - robtex.com