`crtech.com`

DNSSEC	⚠️ Not signed
A	192.104.24.52^{🇺🇸 AS53465192.104.24.0/24 ANSYS, Inc}
NS	`ns1-06.azure-dns.com` ⭐
		A	2603:1061:0:700::6^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-06.azure-dns.com`
		A	13.107.236.6^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-06.azure-dns.com`
NS	`ns2-06.azure-dns.net`
		A	2620:1ec:8ec:700::6^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-06.azure-dns.net`
		A	150.171.21.6^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-06.azure-dns.net`
NS	`ns3-06.azure-dns.org`
		A	2a01:111:4000:700::6^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-06.azure-dns.org`
		A	204.14.183.6^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-06.azure-dns.org`
NS	`ns4-06.azure-dns.info`
		A	2620:1ec:bda:700::6^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-06.azure-dns.info`
		A	208.84.5.6^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-06.azure-dns.info`
MX	`crtech-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr05cu00501.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00403.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.9.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.9.20^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00604.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.40.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr05cu00100.inbound.protection.outlook.com`
TXT	`globalsign-domain-verification=5-15_4f6A0pZRvAWcJ9ioURLb4NMpKkGGp4GYPOirM`
TXT	`google-site-verification=XDUm9a0tOFsUReXJZzqjJ-BNvNTQWSFk2dzfoGqs8u4`
TXT	`zdg5838s6d7lp4ff631lq2nkq3zx2s6s`
TXT	`MS=ms98461849`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1-06.azure-dns.com`azuredns-hostmaster@microsoft.com.crtech.com serial=2042260997

`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

WOT: SAFE (62/100)

Previously MX for

crtech.com

Subdomains

www.crtech.com

Same first word

crtech.org

crtech.net

crtech.mx

crtech.com

crtech.biz

crtech.co

crtech.cn

crtech.com.au

crtech.site

crtech.nl

crtech.com.br

crtech.tips

crtech.co.uk

crtech.co.kr

crtech.pl

crtech.ca

crtech.ru

crtech.us

Similar names

rctech.net

chetcr.com

rctech.ch

rctech.ru

rctech.org

rctech.gr

rctech.com.au

chetcr.com.br

techrc.net

hccert.com

ctcher.com

thercc.org

rctech.ws

techcr.com

thercc.myshopify.com

thecrc.ca

rctech.com.ar

rctech.it

rctech.co.uk

rctech.se

thercc.com.au

rctech.com

rctech.de

rctech.co.za

cretch.com

cretch.net

rctech.nl

rctech.ca

chcert.com

rctech.com.tw

rctech.eu

rctech.ac.th

rctech.biz

ctherc.com

thecrc.com

techrc.ru

rhctec.com

rctech.cz

DNS History

26 records (6 active, 20 former)

●NSns1-06.azure-dns.com2026-02-28 → 2026-03-10 · 3 obs

○ 2017-04-03 07:13:44
● 2026-02-28 07:44:56
● 2026-03-10 17:04:48

○NSns1.apolloservers.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 13:15:56
○ 2015-05-05 19:19:48
○ 2026-03-10 17:04:48

○NSns1.crtech.com2016-04-01 → 2016-04-01 · 4 obs

○ 2015-12-31 05:53:10
● 2016-04-01 20:52:50
○ 2017-04-03 07:13:44
○ 2026-03-10 17:04:48

●NSns2-06.azure-dns.net2026-02-28 → 2026-03-10 · 3 obs

○ 2017-04-03 07:13:44
● 2026-02-28 07:44:56
● 2026-03-10 17:04:48

○NSns2.apolloservers.com2007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 13:15:56
○ 2015-05-05 19:19:48
○ 2026-03-10 17:04:48

○NSns2.crtech.com2016-04-01 → 2016-04-01 · 4 obs

○ 2015-12-31 05:53:10
● 2016-04-01 20:52:50
○ 2017-04-03 07:13:44
○ 2026-03-10 17:04:48

●NSns3-06.azure-dns.org2026-02-28 → 2026-03-10 · 3 obs

○ 2017-04-03 07:13:44
● 2026-02-28 07:44:56
● 2026-03-10 17:04:48

○NSns3619.hostgator.com2015-05-05 → 2015-12-31 · 5 obs

○ 2007-10-23 13:15:56
● 2015-05-05 19:19:48
● 2015-12-31 05:53:10
○ 2016-04-01 20:52:50
○ 2026-03-10 17:04:48

○NSns3620.hostgator.com2015-05-05 → 2015-12-31 · 5 obs

○ 2007-10-23 13:15:56
● 2015-05-05 19:19:48
● 2015-12-31 05:53:10
○ 2016-04-01 20:52:50
○ 2026-03-10 17:04:48

●NSns4-06.azure-dns.info2026-02-28 → 2026-03-10 · 3 obs

○ 2017-04-03 07:13:44
● 2026-02-28 07:44:56
● 2026-03-10 17:04:48

○NSns6089.hostgator.com2015-05-05 → 2015-12-31 · 5 obs

○ 2007-10-23 13:15:56
● 2015-05-05 19:19:48
● 2015-12-31 05:53:10
○ 2016-04-01 20:52:50
○ 2026-03-10 17:04:48

○NSns79.worldnic.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-01 20:52:50
● 2017-04-03 07:13:44
○ 2026-02-28 07:44:56
○ 2026-03-10 17:04:48

○NSns80.worldnic.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-01 20:52:50
● 2017-04-03 07:13:44
○ 2026-02-28 07:44:56
○ 2026-03-10 17:04:48

○MXalt1.aspmx.l.google.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-01 20:52:50
● 2017-04-03 07:13:44
○ 2026-02-28 07:44:56
○ 2026-03-10 17:04:48

○MXalt2.aspmx.l.google.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-01 20:52:50
● 2017-04-03 07:13:44
○ 2026-02-28 07:44:56
○ 2026-03-10 17:04:48

○MXalt3.aspmx.l.google.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-01 20:52:50
● 2017-04-03 07:13:44
○ 2026-02-28 07:44:56
○ 2026-03-10 17:04:48

○MXalt4.aspmx.l.google.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-01 20:52:50
● 2017-04-03 07:13:44
○ 2026-02-28 07:44:56
○ 2026-03-10 17:04:48

○MXaspmx.l.google.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-01 20:52:50
● 2017-04-03 07:13:44
○ 2026-02-28 07:44:56
○ 2026-03-10 17:04:48

●MXcrtech-com.mail.protection.outlook.com2026-02-28 → 2026-03-10 · 3 obs

○ 2017-04-03 07:13:44
● 2026-02-28 07:44:56
● 2026-03-10 17:04:48

○MXcrtech.com2007-10-23 → 2016-04-01 · 6 obs

● 2007-10-23 13:15:56
○ 2015-05-05 19:19:48
○ 2015-12-31 05:53:10
● 2016-04-01 20:52:50
○ 2017-04-03 07:13:44
○ 2026-03-10 17:04:48

○MXmail.crtech.com2007-10-23 → 2015-12-31 · 4 obs

● 2007-10-23 13:15:56
● 2015-12-31 05:53:10
○ 2016-04-01 20:52:50
○ 2026-03-10 17:04:48

○A162.243.56.2322017-04-03 → 2017-04-03 · 4 obs

○ 2016-04-01 20:52:50
● 2017-04-03 07:13:44
○ 2026-02-28 07:44:56
○ 2026-03-10 17:04:48

●A192.104.24.522026-02-28 → 2026-03-10 · 3 obs

○ 2017-04-03 07:13:44
● 2026-02-28 07:44:56
● 2026-03-10 17:04:48

○A50.87.151.1192015-05-05 → 2015-12-31 · 5 obs

○ 2007-10-23 13:15:56
● 2015-05-05 19:19:48
● 2015-12-31 05:53:10
○ 2016-04-01 20:52:50
○ 2026-03-10 17:04:48

○A66.242.22.122007-10-23 → 2007-10-23 · 3 obs

● 2007-10-23 13:15:56
○ 2015-05-05 19:19:48
○ 2026-03-10 17:04:48

○A72.52.131.1112016-04-01 → 2016-04-01 · 4 obs

○ 2015-12-31 05:53:10
● 2016-04-01 20:52:50
○ 2017-04-03 07:13:44
○ 2026-03-10 17:04:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
crtech.com	ns1-06.azure-dns.com, ns2-06.azure-dns.net, ns3-06.azure-dns.org, ns4-06.azure-dns.info	2 records

✅ Authoritative Response

Server: 13.107.236.6

NS records: ns1-06.azure-dns.com, ns2-06.azure-dns.net, ns3-06.azure-dns.org, ns4-06.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crtech.com (unsigned zone)

⏱️ Timing

Total: 401ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.104.24.52`
NS	4	`ns1-06.azure-dns.com, ns2-06.azure-dns.net...`
MX	1	`crtech-com.mail.protection.outlook.com (`
TXT	5	`globalsign-domain-verification=5-15_4f6A, google-site-verification=XDUm9a0tOFsUReX...`
SOA	1	`ns1-06.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-06.azure-dns.com, ns1-06.azure-dns.com)

Analysis

Hierarchy

www.crtech.com is a child of crtech.com.

IP Addresses

crtech.com resolves to one IP number: 192.104.24.52.

Other host names, for instance www.extrality.ai, genmymodel.org, ansys.cn, ls-dynaconferences.com and zemax.com share IP numbers with crtech.com.

Name Servers

crtech.com delegates to four name servers: ns1-06.azure-dns.com, ns4-06.azure-dns.info, ns2-06.azure-dns.net and ns3-06.azure-dns.org.

crtech.com at least partially shares name servers with other domains, including stradsch.sa.edu.au, hk-ice.com, aegeanairlines.gr, greenfield.oldham.sch.uk and confex.com.

Host names with two IP numbers: ns1-06.azure-dns.com points to 2603:1061:0:700::6 and 13.107.236.6; ns4-06.azure-dns.info points to 2620:1ec:bda:700::6 and 208.84.5.6; ns2-06.azure-dns.net points to 2620:1ec:8ec:700::6 and 150.171.21.6; ns3-06.azure-dns.org points to 2a01:111:4000:700::6 and 204.14.183.6.

Mail Servers

A single mail server handles crtech.com, crtech-com.mail.protection.outlook.com.

Host crtech-com.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:c91d::a, 2a01:111:f403:c922::1, 2a01:111:f403:f804::3, 2a01:111:f403:f908::2, 52.101.9.2, 52.101.9.20, 52.101.10.16 and 52.101.40.24.

crtech.com - robtex.com

crtech.com

com

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`crtech.com`

`com`