`prefdiagtech.com`

DNSSEC	⚠️ Not signed
A	3.33.130.190^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`a2aa9ff50de748dbe.awsglobalaccelerator.com`
A	15.197.148.33^{🇺🇸 Amazon15.197.144.0/20}
NS	`ns57.domaincontrol.com` ⭐
		A	2603:5:21c2::1d^{🇺🇸 GODADDY-DNS2603:5:21c0::/44}
			PTR	`ns57.domaincontrol.com`
		A	97.74.108.29^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns57.domaincontrol.com`
NS	`ns58.domaincontrol.com`
		A	2603:5:22c2::1d^{🇺🇸 GODADDY-DNS2603:5:22c0::/44}
			PTR	`ns58.domaincontrol.com`
		A	173.201.76.29^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns58.domaincontrol.com`
MX	`prefdiagtech-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00200.inbound.protection.outlook.com`
		A	52.101.10.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00105.inbound.protection.outlook.com`
		A	52.101.11.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr03cu00102.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.41.54^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00506.inbound.protection.outlook.com`
TXT	`NETORGFT1052927.onmicrosoft.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns57.domaincontrol.com`dns@jomax.net 2023-09-19 #0

`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=1784292482

Same first word

prefdiagtech.com

DNS History

6 records (5 active, 1 former)

●NSns57.domaincontrol.com2016-12-20 → 2026-07-17 · 2 obs

● 2016-12-20 18:46:46
● 2026-07-17 13:02:40

●NSns58.domaincontrol.com2016-12-20 → 2026-07-17 · 2 obs

● 2016-12-20 18:46:46
● 2026-07-17 13:02:40

●MXprefdiagtech-com.mail.protection.outlook.com2016-12-20 → 2026-07-17 · 2 obs

● 2016-12-20 18:46:46
● 2026-07-17 13:02:40

●A15.197.148.332026-07-13 → 2026-07-17 · 3 obs

○ 2017-12-01 04:47:04
● 2026-07-13 14:01:34
● 2026-07-17 13:02:40

●A3.33.130.1902026-07-13 → 2026-07-17 · 3 obs

○ 2017-12-01 04:47:04
● 2026-07-13 14:01:34
● 2026-07-17 13:02:40

○A50.63.202.442016-12-20 → 2017-12-01 · 4 obs

● 2016-12-20 18:46:46
● 2017-12-01 04:47:04
○ 2026-07-13 14:01:34
○ 2026-07-17 13:02:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
prefdiagtech.com	ns57.domaincontrol.com, ns58.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.76.29

NS records: ns57.domaincontrol.com, ns58.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prefdiagtech.com (unsigned zone)

⏱️ Timing

Total: 77ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.33.130.190, 15.197.148.33`
NS	2	`ns57.domaincontrol.com, ns58.domaincontrol.com`
MX	1	`prefdiagtech-com.mail.protection.outlook`
TXT	2	`NETORGFT1052927.onmicrosoft.com, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns57.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns57.domaincontrol.com, ns57.domaincontrol.com, ns58.domaincontrol.com...)

Analysis

IP Addresses

prefdiagtech.com directs to two IP numbers, 3.33.130.190 and 15.197.148.33

hhibookstore.com, deliverseedcare.com, matthewcassano.com plus two other host names have IP numbers in common with prefdiagtech.com.

Name Servers

DNS delegation for prefdiagtech.com points to two name servers: ns57.domaincontrol.com and ns58.domaincontrol.com.

The name server configuration of prefdiagtech.com is shared with other domains, for instance russianlawjournal.org, careersourcecfl.org, honeylocks.ca and two others.

ns57.domaincontrol.com directs to 97.74.108.29 and 2603:5:21c2::1d. ns58.domaincontrol.com directs to 173.201.76.29 and 2603:5:22c2::1d. Each host name carries two IP addresses.

Mail Servers

prefdiagtech.com uses one mail server — prefdiagtech-com.mail.protection.outlook.com.

prefdiagtech-com.mail.protection.outlook.com has 8 IP addresses: 52.101.10.5, 52.101.11.2, 52.101.41.21 plus 5 more.

prefdiagtech.com - robtex.com