`jstarconcrete.com`

DNSSEC	⚠️ Not signed
A	35.172.94.1^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
		PTR	`staticip.multiscreensite.com`
NS	`ns1.systemdns.com` ⭐
		A	2604:4000:0:d:216:40:47:90^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.systemdns.com`
		A	216.40.47.90^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.systemdns.com`
NS	`ns2.systemdns.com`
		A	2604:4000:2800:d:64:99:148:16^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
		A	64.98.148.16^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
NS	`ns3.systemdns.com`
		A	2604:4000:0:d:64:99:96:36^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns3.systemdns.com`
		A	64.99.96.36^{🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2}
			PTR	`ns3.systemdns.com`
TXT	`registered by WC`
SOA	`ns1.systemdns.com`hostmaster@systemdns.com serial=1747239171

`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=1778815561

Same first word

jstarconcrete.com

DNS History

8 records (4 active, 4 former)

●NSns1.systemdns.com2026-03-08 → 2026-05-15 · 3 obs

○ 2018-09-03 02:22:36
● 2026-03-08 00:30:22
● 2026-05-15 03:31:06

●NSns2.systemdns.com2026-03-08 → 2026-05-15 · 3 obs

○ 2018-09-03 02:22:36
● 2026-03-08 00:30:22
● 2026-05-15 03:31:06

●NSns3.systemdns.com2026-03-08 → 2026-05-15 · 3 obs

○ 2018-09-03 02:22:36
● 2026-03-08 00:30:22
● 2026-05-15 03:31:06

○NSrwsdns1.realpages.com2016-06-21 → 2018-09-03 · 4 obs

● 2016-06-21 22:08:12
● 2018-09-03 02:22:36
○ 2026-03-08 00:30:22
○ 2026-05-15 03:31:06

○NSrwsdns2.realpages.com2016-06-21 → 2018-09-03 · 4 obs

● 2016-06-21 22:08:12
● 2018-09-03 02:22:36
○ 2026-03-08 00:30:22
○ 2026-05-15 03:31:06

○MXmx.jstarconcrete.com.cust.b.hostedemail.com2016-06-21 → 2018-09-03 · 4 obs

● 2016-06-21 22:08:12
● 2018-09-03 02:22:36
○ 2026-03-08 00:30:22
○ 2026-05-15 03:31:06

○A208.93.105.362016-06-21 → 2018-09-03 · 4 obs

● 2016-06-21 22:08:12
● 2018-09-03 02:22:36
○ 2026-03-08 00:30:22
○ 2026-05-15 03:31:06

●A35.172.94.12026-03-08 → 2026-05-15 · 3 obs

○ 2018-09-03 02:22:36
● 2026-03-08 00:30:22
● 2026-05-15 03:31:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
jstarconcrete.com	ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com	6 records

✅ Authoritative Response

Server:216.40.47.90

NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jstarconcrete.com (unsigned zone)

⏱️ Timing

Total: 518ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.172.94.1`
NS	3	`ns1.systemdns.com, ns2.systemdns.com...`
TXT	1	`registered by WC`
SOA	1	`ns1.systemdns.com hostmaster.systemdns.c`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)

Analysis

IP Addresses

jstarconcrete.com points to a single IP: 35.172.94.1.

Other host names, for instance pulmar.cl, dalaservice.com, bidmetoday.com, owensfamilywebsite.net and pinca.it share IP numbers with jstarconcrete.com.

Name Servers

jstarconcrete.com is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.

jstarconcrete.com at least partially shares its name servers with other domains, for instance purchaseproduct.com, myhostican.com, ozal.com, heathbanc.com and progressiveoralsurgery.com.

Host names with two IP numbers:

ns1.systemdns.com points to: 2604:4000:0:d:216:40:47:90 and 216.40.47.90.

ns2.systemdns.com points to: 2604:4000:2800:d:64:99:148:16 and 64.98.148.16.

ns3.systemdns.com points to: 2604:4000:0:d:64:99:96:36 and 64.99.96.36.

jstarconcrete.com - robtex.com