qa4u.com - dns.ninja

`qa4u.com`

DNSSEC	⚠️ Not signed
A	54.149.196.14^{🇺🇸 Amazon54.148.0.0/15 EC2 PDX prefix}
		PTR	`vpc777.netgate.net`
NS	`ns2.netgate.net` ⭐
		A	52.34.17.166^{🇺🇸 Amazon52.32.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-34-17-166.us-west-2.compute.amazonaws.com`
NS	`ns.netgate.net`
		A	52.40.52.17^{🇺🇸 Amazon52.40.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-40-52-17.us-west-2.compute.amazonaws.com`
NS	`ns3.netgate.net`
		A	50.16.94.124^{🇺🇸 Amazon50.16.0.0/16 EC2 IAD prefix}
			PTR	`ec2-50-16-94-124.compute-1.amazonaws.com`
MX	`qa4u-com.p10.mxthunder.com` ⭐
		A	108.166.161.242^{🇺🇸 COREXCHANGE-AS108.166.160.0/19 CoreXchange 1950 Stemmons Frwy Suite 4006 Dallas, TX 75207}
		A	209.41.68.188^{🇺🇸 DATABANK209.41.68.0/24}
			PTR	`bolt100b.mxthunder.net`
MX	`qa4u-com.p20.mxthunder.net`⁽²⁰⁾
		A	108.166.161.242^{🇺🇸 COREXCHANGE-AS108.166.160.0/19 CoreXchange 1950 Stemmons Frwy Suite 4006 Dallas, TX 75207}
MX	`qa4u-com.p30.mxthunder.net`⁽³⁰⁾
		A	209.41.68.188^{🇺🇸 DATABANK209.41.68.0/24}
			PTR	`bolt100b.mxthunder.net`
MX	`qa4u-com.p40.mxthunder.net`⁽⁴⁰⁾
		A	108.166.161.242^{🇺🇸 COREXCHANGE-AS108.166.160.0/19 CoreXchange 1950 Stemmons Frwy Suite 4006 Dallas, TX 75207}
		A	209.41.68.188^{🇺🇸 DATABANK209.41.68.0/24}
			PTR	`bolt100b.mxthunder.net`
TXT	`v=spf1 a include:_spf.netgate.net ~all`
SOA	`ns.netgate.net`root@ns.netgate.net serial=700010

`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=1785396777

Subdomains

www.qa4u.com

Same first word

qa4u.com

Similar names

4qua.de

aq4u.com

qua4.com

4qua.com

aqu4.com

au4q.s3.amazonaws.com

qua4.pages.dev

aq4u.nl

DNS History

17 records (8 active, 9 former)

●NSns.netgate.net2015-06-17 → 2026-07-30 · 2 obs

● 2015-06-17 14:34:46
● 2026-07-30 07:38:06

●NSns2.netgate.net2015-06-17 → 2026-07-30 · 2 obs

● 2015-06-17 14:34:46
● 2026-07-30 07:38:06

●NSns3.netgate.net2015-06-17 → 2026-07-30 · 2 obs

● 2015-06-17 14:34:46
● 2026-07-30 07:38:06

○MXfallbackmx.spamexperts.eu2026-03-29 → 2026-07-30 · 2 obs

○ 2026-03-29 01:30:10
○ 2026-07-30 07:38:06

○MXlastmx.spamexperts.net2026-03-29 → 2026-07-30 · 2 obs

○ 2026-03-29 01:30:10
○ 2026-07-30 07:38:06

○MXmx.spamexperts.com2026-03-29 → 2026-07-30 · 2 obs

○ 2026-03-29 01:30:10
○ 2026-07-30 07:38:06

○MXmx55.netgate.net2026-03-29 → 2026-04-04 · 5 obs

○ 2016-09-26 13:12:34
● 2026-03-29 01:30:10
● 2026-04-04 06:03:06
○ 2026-05-19 08:32:22
○ 2026-07-30 07:38:06

○MXmx77.netgate.net2026-03-29 → 2026-04-04 · 5 obs

○ 2016-09-26 13:12:34
● 2026-03-29 01:30:10
● 2026-04-04 06:03:06
○ 2026-05-19 08:32:22
○ 2026-07-30 07:38:06

●MXqa4u-com.p10.mxthunder.com2026-05-19 → 2026-07-30 · 3 obs

○ 2026-04-04 06:03:06
● 2026-05-19 08:32:22
● 2026-07-30 07:38:06

●MXqa4u-com.p20.mxthunder.net2026-05-19 → 2026-07-30 · 3 obs

○ 2026-04-04 06:03:06
● 2026-05-19 08:32:22
● 2026-07-30 07:38:06

●MXqa4u-com.p30.mxthunder.net2026-05-19 → 2026-07-30 · 3 obs

○ 2026-04-04 06:03:06
● 2026-05-19 08:32:22
● 2026-07-30 07:38:06

●MXqa4u-com.p40.mxthunder.net2026-05-19 → 2026-07-30 · 3 obs

○ 2026-04-04 06:03:06
● 2026-05-19 08:32:22
● 2026-07-30 07:38:06

○MXqa4u.com.inbound10.mxlogic.net2015-06-17 → 2016-09-26 · 4 obs

● 2015-06-17 14:34:46
● 2016-09-26 13:12:34
○ 2026-03-29 01:30:10
○ 2026-07-30 07:38:06

○MXqa4u.com.inbound10.mxlogicmx.net2015-06-17 → 2016-09-26 · 4 obs

● 2015-06-17 14:34:46
● 2016-09-26 13:12:34
○ 2026-03-29 01:30:10
○ 2026-07-30 07:38:06

○A205.214.168.1342015-06-17 → 2016-04-30 · 4 obs

● 2015-06-17 14:34:46
● 2016-04-30 20:25:16
○ 2016-07-27 18:02:08
○ 2026-07-30 07:38:06

○A52.24.141.712016-07-27 → 2016-09-26 · 5 obs

○ 2016-04-30 20:25:16
● 2016-07-27 18:02:08
● 2016-09-26 13:12:34
○ 2026-03-29 01:30:10
○ 2026-07-30 07:38:06

●A54.149.196.142026-03-29 → 2026-07-30 · 3 obs

○ 2016-09-26 13:12:34
● 2026-03-29 01:30:10
● 2026-07-30 07:38:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
qa4u.com	ns.netgate.net, ns2.netgate.net, ns3.netgate.net	-

✅ Authoritative Response

Server:50.16.94.124

NS records: ns.netgate.net, ns2.netgate.net, ns3.netgate.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qa4u.com (unsigned zone)

⏱️ Timing

Total: 441ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.149.196.14`
NS	3	`ns2.netgate.net, ns3.netgate.net...`
MX	4	`qa4u-com.p10.mxthunder.com (pri: 10), qa4u-com.p20.mxthunder.net (pri: 20)...`
TXT	1	`v=spf1 a include:_spf.netgate.net ~all`
SOA	1	`ns.netgate.net root.ns.netgate.net`

Analysis

Hierarchy

www.qa4u.com is delegated beneath qa4u.com.

IP Addresses

qa4u.com resolves to one IP address: 54.149.196.14.

callihan.com, icar.net, zuleeg.net and two other host names share IP numbers with qa4u.com.

Name Servers

qa4u.com is delegated to three name servers: ns2.netgate.net, ns3.netgate.net and ns.netgate.net.

There is at least partial name server overlap between qa4u.com and other domains — fingerstring.com, ergomate.com, jenniferrobackmorse.com and two more among them.

ns2.netgate.net, ns3.netgate.net and ns.netgate.net each resolve to a single IP address: ns2.netgate.net resolves to 52.34.17.166, ns3.netgate.net resolves to 50.16.94.124 and ns.netgate.net resolves to 52.40.52.17.

Mail Servers

Mail for qa4u.com is handled by four mail servers: qa4u-com.p10.mxthunder.com, qa4u-com.p20.mxthunder.net, qa4u-com.p30.mxthunder.net and qa4u-com.p40.mxthunder.net.

Hostnames that resolve to two IP addresses:

qa4u-com.p10.mxthunder.com points to 108.166.161.242 and 209.41.68.188.

qa4u-com.p40.mxthunder.net points to 108.166.161.242 and 209.41.68.188.

Hosts with just one IP address:

qa4u-com.p20.mxthunder.net points to 108.166.161.242.

qa4u-com.p30.mxthunder.net points to 209.41.68.188.

The host names qa4u-com.p10.mxthunder.com, qa4u-com.p40.mxthunder.net and qa4u-com.p20.mxthunder.net each resolve to 108.166.161.242.

The host names qa4u-com.p10.mxthunder.com, qa4u-com.p40.mxthunder.net and qa4u-com.p30.mxthunder.net each resolve to 209.41.68.188.