`casesmartimpact.com`

DNSSEC	⚠️ Not signed
NS	`dns-auth-01.oit.duke.edu` ⭐
		A	152.3.103.93^{🇺🇸 DUKE-INTERCHANGE152.3.0.0/16 Duke 152.3.0.0/16}
			PTR	`dns-auth-01.oit.duke.edu`
NS	`dns-auth-02.oit.duke.edu`
		A	152.3.105.232^{🇺🇸 DUKE-INTERCHANGE152.3.0.0/16 Duke 152.3.0.0/16}
			PTR	`dns-auth-02.oit.duke.edu`
NS	`dns-nc1-01.oit.duke.edu`
		A	67.159.96.12^{🇺🇸 DUKE-INTERCHANGE67.159.64.0/18 Duke 67.159.64.0/18}
			PTR	`dns-nc1-01.oit.duke.edu`
SOA	`dns-auth-01.oit.duke.edu`datacom-hostmaster@duke.edu serial=569859967

`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=1774744977

Same first word

casesmartimpact.com

DNS History

9 records (3 active, 6 former)

●NSdns-auth-01.oit.duke.edu2020-01-31 → 2026-03-29 · 3 obs

○ 2016-12-20 00:18:52
● 2020-01-31 21:07:48
● 2026-03-29 01:00:26

●NSdns-auth-02.oit.duke.edu2020-01-31 → 2026-03-29 · 3 obs

○ 2016-12-20 00:18:52
● 2020-01-31 21:07:48
● 2026-03-29 01:00:26

●NSdns-nc1-01.oit.duke.edu2020-01-31 → 2026-03-29 · 3 obs

○ 2016-12-20 00:18:52
● 2020-01-31 21:07:48
● 2026-03-29 01:00:26

○NSns31.domaincontrol.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 00:18:52
○ 2020-01-31 21:07:48
○ 2026-03-29 01:00:26

○NSns32.domaincontrol.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 00:18:52
○ 2020-01-31 21:07:48
○ 2026-03-29 01:00:26

○MXmailstore1.secureserver.net2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 00:18:52
○ 2020-01-31 21:07:48
○ 2026-03-29 01:00:26

○MXsmtp.secureserver.net2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 00:18:52
○ 2020-01-31 21:07:48
○ 2026-03-29 01:00:26

○A152.3.102.32020-01-31 → 2020-01-31 · 4 obs

○ 2016-12-20 00:18:52
● 2020-01-31 21:07:48
○ 2026-03-18 22:41:38
○ 2026-03-29 01:00:26

○A152.3.103.2132016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 00:18:52
○ 2020-01-31 21:07:48
○ 2026-03-29 01:00:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
casesmartimpact.com	dns-auth-01.oit.duke.edu, dns-auth-02.oit.duke.edu, dns-nc1-01.oit.duke.edu	-

✅ Authoritative Response

Server:152.3.103.93

NS records: dns-auth-01.oit.duke.edu, dns-auth-02.oit.duke.edu, dns-nc1-01.oit.duke.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for casesmartimpact.com (unsigned zone)

⏱️ Timing

Total: 548ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`dns-auth-02.oit.duke.edu, dns-nc1-01.oit.duke.edu...`
SOA	1	`dns-auth-01.oit.duke.edu datacom-hostmas`

Analysis

Name Servers

casesmartimpact.com is delegated to three name servers dns-auth-01.oit.duke.edu, dns-auth-02.oit.duke.edu and dns-nc1-01.oit.duke.edu.

casesmartimpact.com at least partially shares name servers with other domains, for instance 79.159.67.in-addr.arpa, linux.duke.edu, scholars.duke.edu, fullframefest.org and carceralstudies.duke.edu.

Host names with one IP number: dns-auth-01.oit.duke.edu points to 152.3.103.93; dns-auth-02.oit.duke.edu points to 152.3.105.232; dns-nc1-01.oit.duke.edu points to 67.159.96.12.

casesmartimpact.com - robtex.com