`spectrumcollaborationchallenge.com`

DNSSEC	⚠️ Not signed
NS	`ns1.darpa.mil` ⚠️ Not in zone NS records
		A	192.5.18.195^{🇺🇸 AS22238192.5.18.0/24 RS Information Services-AS22238(added by MAINT-AS3257)}
			PTR	`ns1.darpa.mil`
NS	`ns2.darpa.mil` ⚠️ Not in zone NS records
		A	192.168.2.70
NS	`ns3.darpa.mil` ⚠️ Not in zone NS records
		A	158.63.250.6^{🇺🇸 AS22238158.63.250.0/24}
			PTR	`ns3.darpa.mil`

`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=1784841057

Same first word

spectrumcollaborationchallenge.com

DNS History

8 records (3 active, 5 former)

○NSns-1275.awsdns-31.org2016-12-14 → 2017-07-07 · 4 obs

● 2016-12-14 18:56:14
● 2017-07-07 14:30:36
○ 2026-03-14 23:55:16
○ 2026-07-23 21:29:06

○NSns-1817.awsdns-35.co.uk2016-12-14 → 2017-07-07 · 4 obs

● 2016-12-14 18:56:14
● 2017-07-07 14:30:36
○ 2026-03-14 23:55:16
○ 2026-07-23 21:29:06

○NSns-291.awsdns-36.com2016-12-14 → 2017-07-07 · 4 obs

● 2016-12-14 18:56:14
● 2017-07-07 14:30:36
○ 2026-03-14 23:55:16
○ 2026-07-23 21:29:06

○NSns-836.awsdns-40.net2016-12-14 → 2017-07-07 · 4 obs

● 2016-12-14 18:56:14
● 2017-07-07 14:30:36
○ 2026-03-14 23:55:16
○ 2026-07-23 21:29:06

●NSns1.darpa.mil2026-03-14 → 2026-07-23 · 3 obs

○ 2017-07-07 14:30:36
● 2026-03-14 23:55:16
● 2026-07-23 21:29:06

●NSns2.darpa.mil2026-03-14 → 2026-07-23 · 3 obs

○ 2017-07-07 14:30:36
● 2026-03-14 23:55:16
● 2026-07-23 21:29:06

●NSns3.darpa.mil2026-03-14 → 2026-07-23 · 3 obs

○ 2017-07-07 14:30:36
● 2026-03-14 23:55:16
● 2026-07-23 21:29:06

○A52.37.52.1082016-12-14 → 2017-07-07 · 4 obs

● 2016-12-14 18:56:14
● 2017-07-07 14:30:36
○ 2026-03-14 23:55:16
○ 2026-07-23 21:29:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
spectrumcollaborationchallenge.com	ns2.darpa.mil, ns1.darpa.mil, ns3.darpa.mil	-

✅ Authoritative Response

Server:158.63.250.6

NS records: ns2.darpa.mil, ns1.darpa.mil, ns3.darpa.mil

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spectrumcollaborationchallenge.com (unsigned zone)

⏱️ Timing

Total: 3624ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

spectrumcollaborationchallenge.com carries NS records delegating to ns1.darpa.mil, ns2.darpa.mil and ns3.darpa.mil.

At least some of spectrumcollaborationchallenge.com's name servers are shared with other domains, for example sco.mil, cybergrandchallenge.net, theroboticschallenge.net and two more.

These name servers tend to be deployed in combination with the name servers sdigm-02.darpa.mil and donhq-ns1.hq.navy.mil.

ns1.darpa.mil points to 192.5.18.195; ns2.darpa.mil points to 192.168.2.70; ns3.darpa.mil points to 158.63.250.6 — each hostname maps to exactly one IP address.

spectrumcollaborationchallenge.com - robtex.com