`concrete-systems.com`

DNSSEC	⚠️ Not signed
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns-cloud-a1.googledomains.com` ⭐
		A	2001:4860:4802:32::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a1.googledomains.com`
		A	216.239.32.106^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-a1.googledomains.com`
NS	`ns-cloud-a2.googledomains.com`
		A	2001:4860:4802:34::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a2.googledomains.com`
		A	216.239.34.106^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-a2.googledomains.com`
NS	`ns-cloud-a3.googledomains.com`
		A	2001:4860:4802:36::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a3.googledomains.com`
		A	216.239.36.106^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-a3.googledomains.com`
NS	`ns-cloud-a4.googledomains.com`
		A	2001:4860:4802:38::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a4.googledomains.com`
		A	216.239.38.106^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-a4.googledomains.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	2607:f8b0:4004:c27::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f26.1e100.net`
		A	172.253.139.26^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	192.178.218.26^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	192.178.218.27^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-cloud-a1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

`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=1777055112

Same first word

concrete-systems.com

DNS History

15 records (6 active, 9 former)

●NSns-cloud-a1.googledomains.com2026-03-27 → 2026-04-24 · 3 obs

○ 2020-02-21 05:00:10
● 2026-03-27 10:36:34
● 2026-04-24 18:54:54

●NSns-cloud-a2.googledomains.com2026-03-27 → 2026-04-24 · 3 obs

○ 2020-02-21 05:00:10
● 2026-03-27 10:36:34
● 2026-04-24 18:54:54

●NSns-cloud-a3.googledomains.com2026-03-27 → 2026-04-24 · 3 obs

○ 2020-02-21 05:00:10
● 2026-03-27 10:36:34
● 2026-04-24 18:54:54

●NSns-cloud-a4.googledomains.com2026-03-27 → 2026-04-24 · 3 obs

○ 2020-02-21 05:00:10
● 2026-03-27 10:36:34
● 2026-04-24 18:54:54

○NSns01.domaincontrol.com2015-08-16 → 2016-07-21 · 4 obs

● 2015-08-16 09:37:46
● 2016-07-21 18:47:12
○ 2017-04-04 11:33:56
○ 2026-04-24 18:54:54

○NSns02.domaincontrol.com2015-08-16 → 2016-07-21 · 4 obs

● 2015-08-16 09:37:46
● 2016-07-21 18:47:12
○ 2017-04-04 11:33:56
○ 2026-04-24 18:54:54

○NSpdns09.domaincontrol.com2017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-21 18:47:12
● 2017-04-04 11:33:56
○ 2020-02-21 05:00:10
○ 2026-04-24 18:54:54

○NSpdns10.domaincontrol.com2017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-21 18:47:12
● 2017-04-04 11:33:56
○ 2020-02-21 05:00:10
○ 2026-04-24 18:54:54

○MXmailstore1.secureserver.net2015-08-16 → 2017-04-04 · 4 obs

● 2015-08-16 09:37:46
● 2017-04-04 11:33:56
○ 2020-02-21 05:00:10
○ 2026-04-24 18:54:54

●MXsmtp.google.com2026-03-27 → 2026-04-24 · 3 obs

○ 2020-02-21 05:00:10
● 2026-03-27 10:36:34
● 2026-04-24 18:54:54

○MXsmtp.secureserver.net2015-08-16 → 2017-04-04 · 4 obs

● 2015-08-16 09:37:46
● 2017-04-04 11:33:56
○ 2020-02-21 05:00:10
○ 2026-04-24 18:54:54

○A184.168.221.872017-04-04 → 2017-04-04 · 4 obs

○ 2016-07-21 18:47:12
● 2017-04-04 11:33:56
○ 2020-02-21 05:00:10
○ 2026-04-24 18:54:54

●A198.185.159.1442026-03-27 → 2026-04-24 · 3 obs

○ 2020-02-21 05:00:10
● 2026-03-27 10:36:34
● 2026-04-24 18:54:54

○A71.40.184.1782015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 09:37:46
○ 2015-12-23 13:48:18
○ 2026-04-24 18:54:54

○A71.40.184.1852015-12-23 → 2016-07-21 · 5 obs

○ 2015-08-16 09:37:46
● 2015-12-23 13:48:18
● 2016-07-21 18:47:12
○ 2017-04-04 11:33:56
○ 2026-04-24 18:54:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
concrete-systems.com	ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.32.106

NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concrete-systems.com (unsigned zone)

⏱️ Timing

Total: 330ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.185.159.144`
NS	4	`ns-cloud-a4.googledomains.com, ns-cloud-a3.googledomains.com...`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns-cloud-a1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)

Analysis

IP Addresses

concrete-systems.com resolves to one IP number: 198.185.159.144.

Other host names, for instance anjaemzen.com, editioncap.com, streamwoodplastics.com, tokemed.com and rsrlc.com share IP numbers with concrete-systems.com.

Name Servers

concrete-systems.com delegates to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.

concrete-systems.com at least partially shares name servers with other domains, including onlineladen2019.de, bcsnow.com, enviscient.com, newhollandtractors.com.my and bayonet.info.

Host names with two IP numbers: ns-cloud-a1.googledomains.com points to 2001:4860:4802:32::6a and 216.239.32.106; ns-cloud-a2.googledomains.com points to 2001:4860:4802:34::6a and 216.239.34.106; ns-cloud-a3.googledomains.com points to 2001:4860:4802:36::6a and 216.239.36.106; ns-cloud-a4.googledomains.com points to 2001:4860:4802:38::6a and 216.239.38.106.

Mail Servers

A single mail server handles concrete-systems.com, smtp.google.com.

concrete-systems.com shares the same mail server setup as other domains, for instance sirc.at, mstsol.com, writefast.com, tgride.com and q94radio.com.

concrete-systems.com shares at least some mail servers with other domains, for example mkcperformance.com, winnersharvest.com, crsspxl.com, pinhighmarketing.com and cln.com.tw.

These mail servers are commonly used with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx.l.google.com.

Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4004:c23::1a, 2607:f8b0:4004:c23::1b, 2607:f8b0:4004:c25::1b, 2607:f8b0:4004:c27::1a, 172.253.139.26, 192.178.155.26, 192.178.155.27, 192.178.218.26 and 192.178.218.27.

concrete-systems.com - robtex.com