`iiisr.com`

DNSSEC	⚠️ Not signed
NS	`ns1.changeip.com` ⚠️ Not in zone NS records
		A	67.21.80.251^{🇺🇸 SHARKTECH-167.21.80.0/24 CMI (Customer Route)}
		A	67.21.81.253^{🇺🇸 SHARKTECH-167.21.81.0/24 CMI (Customer Route)}
NS	`ns2.changeip.com` ⚠️ Not in zone NS records
		A	67.21.80.251^{🇺🇸 SHARKTECH-167.21.80.0/24 CMI (Customer Route)}
		A	67.21.81.253^{🇺🇸 SHARKTECH-167.21.81.0/24 CMI (Customer Route)}
NS	`ns3.changeip.com` ⚠️ Not in zone NS records
		A	67.21.80.251^{🇺🇸 SHARKTECH-167.21.80.0/24 CMI (Customer Route)}
		A	67.21.81.249^{🇺🇸 SHARKTECH-167.21.81.0/24 CMI (Customer Route)}
NS	`ns4.changeip.com` ⚠️ Not in zone NS records
		A	67.21.80.251^{🇺🇸 SHARKTECH-167.21.80.0/24 CMI (Customer Route)}
		A	67.21.81.249^{🇺🇸 SHARKTECH-167.21.81.0/24 CMI (Customer Route)}
NS	`ns5.changeip.com` ⚠️ Not in zone NS records
		A	67.21.80.250^{🇺🇸 SHARKTECH-167.21.80.0/24 CMI (Customer Route)}

`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=1785899759

Same first word

iiisr.com

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DNS History

11 records (5 active, 6 former)

○NSdns1.iidns.com2016-12-15 → 2017-07-04 · 4 obs

● 2016-12-15 12:04:12
● 2017-07-04 04:04:58
○ 2026-03-26 07:33:52
○ 2026-08-05 03:35:06

○NSdns2.iidns.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 12:04:12
○ 2017-07-04 04:04:58
○ 2026-08-05 03:35:06

○NSdns3.iidns.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 12:04:12
○ 2017-07-04 04:04:58
○ 2026-08-05 03:35:06

○NSdns4.iidns.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 12:04:12
○ 2017-07-04 04:04:58
○ 2026-08-05 03:35:06

○NSdns5.iidns.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 12:04:12
○ 2017-07-04 04:04:58
○ 2026-08-05 03:35:06

○NSdns6.iidns.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 12:04:12
○ 2017-07-04 04:04:58
○ 2026-08-05 03:35:06

●NSns1.changeip.com2026-03-26 → 2026-08-05 · 3 obs

○ 2017-07-04 04:04:58
● 2026-03-26 07:33:52
● 2026-08-05 03:35:06

●NSns2.changeip.com2026-03-26 → 2026-08-05 · 3 obs

○ 2017-07-04 04:04:58
● 2026-03-26 07:33:52
● 2026-08-05 03:35:06

●NSns3.changeip.com2026-03-26 → 2026-08-05 · 3 obs

○ 2017-07-04 04:04:58
● 2026-03-26 07:33:52
● 2026-08-05 03:35:06

●NSns4.changeip.com2026-03-26 → 2026-08-05 · 3 obs

○ 2017-07-04 04:04:58
● 2026-03-26 07:33:52
● 2026-08-05 03:35:06

●NSns5.changeip.com2026-03-26 → 2026-08-05 · 3 obs

○ 2017-07-04 04:04:58
● 2026-03-26 07:33:52
● 2026-08-05 03:35:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
iiisr.com	ns1.changeip.com, ns2.changeip.com, ns3.changeip.com, ns5.changeip.com...	10 records

✅ Authoritative Response

Server:67.21.80.250

NS records: ns1.changeip.com, ns2.changeip.com, ns3.changeip.com, ns5.changeip.com, ns4.changeip.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iiisr.com (unsigned zone)

⏱️ Timing

Total: 265ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.changeip.com, ns1.changeip.com, ns2.changeip.com...)

Analysis

Name Servers

Five name servers handle delegation for iiisr.com: ns1.changeip.com, ns2.changeip.com, ns3.changeip.com and two others.

iiisr.com shares at least some of its name servers with other domains, including pubgspin.dumb1.com, securityinfo.dns04.com, webriel.com and two others.

These name servers tend to appear together with the name servers ns4.changeip.com, ns5.changeip.com and ns6.changeip.com, plus two others.

Host names pointing to two IP addresses:

ns1.changeip.com resolves to 67.21.80.251 and 67.21.81.253.

ns2.changeip.com resolves to 67.21.80.251 and 67.21.81.253.

ns3.changeip.com resolves to 67.21.80.251 and 67.21.81.249.

ns4.changeip.com resolves to 67.21.80.251 and 67.21.81.249.

Host names resolving to a single IP address:

ns5.changeip.com resolves to 67.21.80.250.

The following host names resolve to 67.21.80.251: ns1.changeip.com, ns2.changeip.com, ns3.changeip.com and ns4.changeip.com.

The host names ns1.changeip.com and ns2.changeip.com both resolve to 67.21.81.253 IP addresses.

The host names ns3.changeip.com and ns4.changeip.com both resolve to 67.21.81.249 IP addresses.