`crestechsystems.com`

DNSSEC	⚠️ Not signed
A	5.77.36.63^{🇬🇧 IOMART-AS5.77.32.0/19 eUKhost LTD}
		PTR	`euk-90726.eukservers.com`
NS	`ns1.crestechglobal.com` ⭐
		A	5.77.36.63^{🇬🇧 IOMART-AS5.77.32.0/19 eUKhost LTD}
			PTR	`euk-90726.eukservers.com`
NS	`ns2.crestechglobal.com`
		A	5.77.36.63^{🇬🇧 IOMART-AS5.77.32.0/19 eUKhost LTD}
			PTR	`euk-90726.eukservers.com`
MX	`crestechsystems.com` ⭐
		A	5.77.36.63^{🇬🇧 IOMART-AS5.77.32.0/19 eUKhost LTD}
			PTR	`euk-90726.eukservers.com`
SOA	`ns1.crestechglobal.com`servernotification@crestechglobal.com 2026-03-13 #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=1774418422

MX for

crestechsystems.com

Same first word

crestechsystems.com

DNS History

14 records (4 active, 10 former)

●NSns1.crestechglobal.com2017-01-05 → 2026-03-25 · 3 obs

○ 2016-04-30 02:11:52
● 2017-01-05 12:13:00
● 2026-03-25 06:08:34

○NSns1.ricohidc.com2015-06-14 → 2016-04-30 · 4 obs

● 2015-06-14 16:37:50
● 2016-04-30 02:11:52
○ 2017-01-05 12:13:00
○ 2026-03-25 06:08:34

●NSns2.crestechglobal.com2017-01-05 → 2026-03-25 · 3 obs

○ 2016-04-30 02:11:52
● 2017-01-05 12:13:00
● 2026-03-25 06:08:34

○NSns2.ricohidc.com2015-11-08 → 2016-04-30 · 5 obs

○ 2015-06-14 16:37:50
● 2015-11-08 15:54:36
● 2016-04-30 02:11:52
○ 2017-01-05 12:13:00
○ 2026-03-25 06:08:34

○MXalt1.aspmx.l.google.com2017-01-05 → 2017-01-05 · 2 obs

● 2017-01-05 12:13:00
○ 2026-03-25 06:08:34

○MXalt2.aspmx.l.google.com2017-01-05 → 2017-01-05 · 2 obs

● 2017-01-05 12:13:00
○ 2026-03-25 06:08:34

○MXaspmx.l.google.com2017-01-05 → 2017-01-05 · 2 obs

● 2017-01-05 12:13:00
○ 2026-03-25 06:08:34

○MXaspmx2.googlemail.com2017-01-05 → 2017-01-05 · 2 obs

● 2017-01-05 12:13:00
○ 2026-03-25 06:08:34

○MXaspmx3.googlemail.com2017-01-05 → 2017-01-05 · 2 obs

● 2017-01-05 12:13:00
○ 2026-03-25 06:08:34

●MXcrestechsystems.com2026-03-25 → 2026-03-25 · 2 obs

○ 2017-01-05 12:13:00
● 2026-03-25 06:08:34

○A103.16.141.1432015-06-14 → 2016-04-30 · 4 obs

● 2015-06-14 16:37:50
● 2016-04-30 02:11:52
○ 2017-01-05 12:13:00
○ 2026-03-25 06:08:34

○A188.34.0.42015-06-14 → 2015-06-14 · 2 obs

● 2015-06-14 16:37:50
○ 2026-03-25 06:08:34

○A49.50.77.2272017-01-05 → 2017-01-05 · 3 obs

○ 2016-04-30 02:11:52
● 2017-01-05 12:13:00
○ 2026-03-25 06:08:34

●A5.77.36.632026-03-25 → 2026-03-25 · 2 obs

○ 2017-01-05 12:13:00
● 2026-03-25 06:08:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
crestechsystems.com	ns1.crestechglobal.com, ns2.crestechglobal.com	2 records

✅ Authoritative Response

Server:5.77.36.63

NS records: ns1.crestechglobal.com, ns2.crestechglobal.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crestechsystems.com (unsigned zone)

⏱️ Timing

Total: 223ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.77.36.63`
NS	2	`ns2.crestechglobal.com, ns1.crestechglobal.com`
MX	1	`crestechsystems.com (pri: 0)`
SOA	1	`ns1.crestechglobal.com servernotificatio`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.crestechglobal.com, ns2.crestechglobal.com)

Analysis

Mail Server Role

crestechsystems.com serves as a mail server for crestechsystems.com.

IP Addresses

crestechsystems.com points to a single IP: 5.77.36.63.

Other host names, for instance qacampus.com, crestech.in, crestechglobal.com, ns1.crestechglobal.com and euk-90726.eukservers.com share IP numbers with crestechsystems.com.

Name Servers

Two name servers ns1.crestechglobal.com and ns2.crestechglobal.com handle delegation for crestechsystems.com.

crestechsystems.com uses the same name server setup as other domains, such as crestechglobal.com, qacampus.com and crestech.in.

Host names with one IP number

Host name ns1.crestechglobal.com points to 5.77.36.63

Host name ns2.crestechglobal.com points to 5.77.36.63

Host names that point to 5.77.36.63: ns1.crestechglobal.com and ns2.crestechglobal.com

Mail Servers

crestechsystems.com is handled by a single mail server, crestechsystems.com.

crestechsystems.com points to a single IP: 5.77.36.63.

crestechsystems.com - robtex.com