`cguengineers.com`

DNSSEC	⚠️ Not signed
A	199.60.103.94^{🇺🇸 CLOUDFLARESPECTRUM199.60.103.0/24 MNT-HUBSP-8 route 199.060.103.000/24 AS209242}
A	199.60.103.194^{🇺🇸 CLOUDFLARESPECTRUM199.60.103.0/24 MNT-HUBSP-8 route 199.060.103.000/24 AS209242}
NS	`ns1021.ui-dns.org` ⭐
		A	2001:8d8:fe:53:0:d9a0:5315:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.org`
		A	217.160.83.21^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1021.ui-dns.org`
NS	`ns1051.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:5033:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1051.ui-dns.de`
		A	217.160.80.51^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1051.ui-dns.de`
NS	`ns1079.ui-dns.biz`
		A	2001:8d8:fe:53:0:d9a0:514f:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1079.ui-dns.biz`
		A	217.160.81.79^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1079.ui-dns.biz`
NS	`ns1091.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:525b:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.com`
		A	217.160.82.91^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1091.ui-dns.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:1004::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`rq-in-f26.1e100.net`
		A	2607:f8b0:4023:1004::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`rq-in-f27.1e100.net`
		A	2607:f8b0:4023:1011::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`ncdfwo-in-f26.1e100.net`
		A	2607:f8b0:4023:1011::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`ncdfwo-in-f27.1e100.net`
		A	142.250.26.26^{🇺🇸 Google142.250.26.0/24}
			PTR	`ncdfwo-in-f26.1e100.net`
		A	142.250.26.27^{🇺🇸 Google142.250.26.0/24}
			PTR	`ncdfwo-in-f27.1e100.net`
		A	142.250.114.27^{🇺🇸 Google142.250.114.0/24}
			PTR	`rr-in-f27.1e100.net`
		A	142.250.115.26^{🇺🇸 Google142.250.115.0/24}
			PTR	`rq-in-f26.1e100.net`
		A	142.250.115.27^{🇺🇸 Google142.250.115.0/24}
			PTR	`rq-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`v=verifydomain MS=8409998`
SOA	`ns1021.ui-dns.org`hostmaster@1und1.com 2017-06-01 #49

`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=1771291435

DNS History

15 records (7 active, 8 former)

●NSns1021.ui-dns.org2026-03-04 → 2026-03-04 · 3 obs

○ 2017-04-03 05:00:36
● 2026-03-04 14:48:50
● 2026-03-04 14:48:52

●NSns1051.ui-dns.de2026-03-04 → 2026-03-04 · 3 obs

○ 2017-04-03 05:00:36
● 2026-03-04 14:48:50
● 2026-03-04 14:48:52

●NSns1079.ui-dns.biz2026-03-04 → 2026-03-04 · 3 obs

○ 2017-04-03 05:00:36
● 2026-03-04 14:48:50
● 2026-03-04 14:48:52

●NSns1091.ui-dns.com2026-03-04 → 2026-03-04 · 3 obs

○ 2017-04-03 05:00:36
● 2026-03-04 14:48:50
● 2026-03-04 14:48:52

○NSns51.1and1.com2015-06-24 → 2017-04-03 · 4 obs

● 2015-06-24 16:51:56
● 2017-04-03 05:00:36
○ 2026-03-04 14:48:50
○ 2026-03-04 14:48:52

○NSns52.1and1.com2015-06-24 → 2017-04-03 · 4 obs

● 2015-06-24 16:51:56
● 2017-04-03 05:00:36
○ 2026-03-04 14:48:50
○ 2026-03-04 14:48:52

○MXalt1.aspmx.l.google.com2015-06-24 → 2017-04-03 · 4 obs

● 2015-06-24 16:51:56
● 2017-04-03 05:00:36
○ 2026-03-04 14:48:50
○ 2026-03-04 14:48:52

○MXaspmx.l.google.com2015-06-24 → 2017-04-03 · 4 obs

● 2015-06-24 16:51:56
● 2017-04-03 05:00:36
○ 2026-03-04 14:48:50
○ 2026-03-04 14:48:52

○MXaspmx2.googlemail.com2015-06-24 → 2017-04-03 · 4 obs

● 2015-06-24 16:51:56
● 2017-04-03 05:00:36
○ 2026-03-04 14:48:50
○ 2026-03-04 14:48:52

○MXaspmx3.googlemail.com2015-06-24 → 2017-04-03 · 4 obs

● 2015-06-24 16:51:56
● 2017-04-03 05:00:36
○ 2026-03-04 14:48:50
○ 2026-03-04 14:48:52

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

○ 2017-04-03 05:00:36
● 2026-03-04 14:48:50
● 2026-03-04 14:48:52

●A199.60.103.1942026-03-04 → 2026-03-04 · 3 obs

○ 2017-04-03 05:00:36
● 2026-03-04 14:48:50
● 2026-03-04 14:48:52

●A199.60.103.942026-03-04 → 2026-03-04 · 3 obs

○ 2017-04-03 05:00:36
● 2026-03-04 14:48:50
● 2026-03-04 14:48:52

○A50.21.179.1002015-06-24 → 2016-01-18 · 4 obs

● 2015-06-24 16:51:56
● 2016-01-18 20:56:20
○ 2016-06-30 12:23:54
○ 2026-03-04 14:48:52

○A74.208.215.962016-06-30 → 2017-04-03 · 5 obs

○ 2016-01-18 20:56:20
● 2016-06-30 12:23:54
● 2017-04-03 05:00:36
○ 2026-03-04 14:48:50
○ 2026-03-04 14:48:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cguengineers.com	ns1021.ui-dns.org, ns1051.ui-dns.de, ns1079.ui-dns.biz, ns1091.ui-dns.com	2 records

✅ Authoritative Response

Server: 217.160.80.51

NS records: ns1021.ui-dns.org, ns1051.ui-dns.de, ns1079.ui-dns.biz, ns1091.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cguengineers.com (unsigned zone)

⏱️ Timing

Total: 691ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`199.60.103.194, 199.60.103.94`
NS	4	`ns1091.ui-dns.com, ns1051.ui-dns.de...`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`v=spf1 include:_spf.google.com ~all, v=verifydomain MS=8409998`
SOA	1	`ns1021.ui-dns.org hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1091.ui-dns.com, ns1091.ui-dns.com)

Analysis

IP Addresses

cguengineers.com resolves to two IP numbers: 199.60.103.94 and 199.60.103.194.

other host names including stringo.com, hiresocial.com, defendable.no, neiheiselplumbing.com and scythe.io share IP numbers with cguengineers.com.

Name Servers

cguengineers.com is delegated to four name servers: ns1079.ui-dns.biz, ns1091.ui-dns.com, ns1051.ui-dns.de and ns1021.ui-dns.org.

cguengineers.com at least partially shares name servers with other domains, for instance lasrotas.com, ossiladen.de, ecoama.es, catb.com and reisebuero-faber.de.

These name servers are commonly used with the following name servers: ns1051.ui-dns.biz, ns1051.ui-dns.com, ns1051.ui-dns.org, ns1021.ui-dns.de, ns1021.ui-dns.biz, ns1021.ui-dns.com, ns1079.ui-dns.com, ns1079.ui-dns.de, ns1079.ui-dns.org and ns1091.ui-dns.de.

Host names with two IP numbers:

ns1079.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:514f:100 and 217.160.81.79; ns1091.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:525b:100 and 217.160.82.91; ns1051.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:5033:100 and 217.160.80.51; ns1021.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5315:100 and 217.160.83.21.

Mail Servers

cguengineers.com is handled by a single mail server, smtp.google.com.

cguengineers.com shares the same mail server setup as other domains, for instance diabetesdashboard.com, orari-jaksel.com, dcz.it, multipleavenuestosuccess.com and progresoservices.com.

cguengineers.com shares some mail servers with other domains, at least partially, for instance ncla-cte.org, anubankorat.ac.th, southpawtech.com, tele.tech and sens.im.

these mail servers are often used together with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

smtp.google.com points to nine IPs: 2607:f8b0:4023:1004::1a, 2607:f8b0:4023:1004::1b, 2607:f8b0:4023:1011::1a, 2607:f8b0:4023:1011::1b, 142.250.26.26, 142.250.26.27, 142.250.114.27, 142.250.115.26 and 142.250.115.27.

cguengineers.com - robtex.com