`mkt5221.com`

DNSSEC	⚠️ Not signed
A	52.207.169.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
		PTR	`ec2-52-207-169-134.compute-1.amazonaws.com`
A	100.49.7.231^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
NS	`ns1.acoustic-adm.com` ⭐
		A	2600:9000:5305:1100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1297.awsdns-34.org`
		A	205.251.197.17^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1297.awsdns-34.org`
NS	`ns2.acoustic-adm.com`
		A	2600:9000:5306:4e00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1614.awsdns-09.co.uk`
		A	205.251.198.78^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1614.awsdns-09.co.uk`
NS	`ns3.acoustic-adm.com`
		A	2600:9000:5302:7b00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-635.awsdns-15.net`
		A	205.251.194.123^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-635.awsdns-15.net`
NS	`ns4.acoustic-adm.com`
		A	2600:9000:5300:ed00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-237.awsdns-29.com`
		A	205.251.192.237^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-237.awsdns-29.com`
MX	`reply.mkt5221.com` ⭐
		A	23.21.100.49^{🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix}
			PTR	`ec2-23-21-100-49.compute-1.amazonaws.com`
MX	`mail4623.mkt5221.com.mkt5221.com`⁽²⁰⁾
		A	208.73.5.92^{🇺🇸 Amazon208.73.5.0/24 EC2 Prefix}
			PTR	`mail4623.regis-management.mkt5221.com`
TXT	`v=spf1 ip4:208.73.5.92 -all`
SOA	`ns1.acoustic-adm.com`awsdns-hostmaster@amazon.com serial=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=1775979427

Subdomains

reply.mkt5221.com

regis-management.mkt5221.com

contentz.mkt5221.com

Same first word

mkt5221.com

Similar names

mkt1225.com

mkt5212.com

mkt2251.com

mkt2125.com

mkt1522.com

mkt2215.com

mkt2152.com

mkt5122.com

mkt1252.com

DNS History

28 records (8 active, 20 former)

●NSns1.acoustic-adm.com2026-03-06 → 2026-04-12 · 3 obs

○ 2017-05-19 03:20:12
● 2026-03-06 11:08:50
● 2026-04-12 07:56:08

○NSns1.p11.dynect.net2015-06-06 → 2017-05-19 · 4 obs

● 2015-06-06 12:24:06
● 2017-05-19 03:20:12
○ 2026-03-06 11:08:50
○ 2026-04-12 07:56:08

○NSns1.silverpop.com2015-06-06 → 2017-05-19 · 4 obs

● 2015-06-06 12:24:06
● 2017-05-19 03:20:12
○ 2026-03-06 11:08:50
○ 2026-04-12 07:56:08

●NSns2.acoustic-adm.com2026-03-06 → 2026-04-12 · 3 obs

○ 2017-05-19 03:20:12
● 2026-03-06 11:08:50
● 2026-04-12 07:56:08

○NSns2.p11.dynect.net2015-06-06 → 2017-05-19 · 4 obs

● 2015-06-06 12:24:06
● 2017-05-19 03:20:12
○ 2026-03-06 11:08:50
○ 2026-04-12 07:56:08

○NSns2.silverpop.com2015-06-06 → 2017-05-19 · 4 obs

● 2015-06-06 12:24:06
● 2017-05-19 03:20:12
○ 2026-03-06 11:08:50
○ 2026-04-12 07:56:08

●NSns3.acoustic-adm.com2026-03-06 → 2026-04-12 · 3 obs

○ 2017-05-19 03:20:12
● 2026-03-06 11:08:50
● 2026-04-12 07:56:08

○NSns3.p11.dynect.net2015-06-06 → 2017-05-19 · 4 obs

● 2015-06-06 12:24:06
● 2017-05-19 03:20:12
○ 2026-03-06 11:08:50
○ 2026-04-12 07:56:08

○NSns3.silverpop.com2015-06-06 → 2017-05-19 · 4 obs

● 2015-06-06 12:24:06
● 2017-05-19 03:20:12
○ 2026-03-06 11:08:50
○ 2026-04-12 07:56:08

●NSns4.acoustic-adm.com2026-03-06 → 2026-04-12 · 3 obs

○ 2017-05-19 03:20:12
● 2026-03-06 11:08:50
● 2026-04-12 07:56:08

○NSns4.p11.dynect.net2015-06-06 → 2017-05-19 · 4 obs

● 2015-06-06 12:24:06
● 2017-05-19 03:20:12
○ 2026-03-06 11:08:50
○ 2026-04-12 07:56:08

●MXmail4623.mkt5221.com.mkt5221.com2015-06-06 → 2026-04-12 · 2 obs

● 2015-06-06 12:24:06
● 2026-04-12 07:56:08

●MXreply.mkt5221.com2015-06-06 → 2026-04-12 · 2 obs

● 2015-06-06 12:24:06
● 2026-04-12 07:56:08

●A100.49.7.2312026-04-12 → 2026-04-12 · 2 obs

○ 2026-03-29 17:05:24
● 2026-04-12 07:56:08

○A174.129.240.2512026-03-09 → 2026-03-10 · 5 obs

○ 2026-03-06 19:24:24
● 2026-03-09 03:16:18
● 2026-03-10 08:41:46
○ 2026-03-15 02:30:58
○ 2026-04-12 07:56:08

○A18.214.102.2502026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-15 02:30:58
● 2026-03-18 02:34:36
○ 2026-03-21 11:04:40
○ 2026-04-12 07:56:08

○A3.223.226.1532026-03-21 → 2026-03-21 · 5 obs

○ 2026-03-18 02:34:36
● 2026-03-21 11:04:40
● 2026-03-21 12:15:14
○ 2026-03-29 17:05:24
○ 2026-04-12 07:56:08

○A3.227.76.2342026-03-06 → 2026-03-06 · 5 obs

○ 2017-05-19 03:20:12
● 2026-03-06 11:08:50
● 2026-03-06 19:24:24
○ 2026-03-09 03:16:18
○ 2026-04-12 07:56:08

○A32.193.37.1542026-03-29 → 2026-03-29 · 3 obs

○ 2026-03-21 12:15:14
● 2026-03-29 17:05:24
○ 2026-04-12 07:56:08

○A34.194.110.142026-03-29 → 2026-03-29 · 3 obs

○ 2026-03-21 12:15:14
● 2026-03-29 17:05:24
○ 2026-04-12 07:56:08

○A35.169.141.1702026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-10 08:41:46
● 2026-03-15 02:30:58
○ 2026-03-18 02:34:36
○ 2026-04-12 07:56:08

●A52.207.169.1342026-04-12 → 2026-04-12 · 2 obs

○ 2026-03-29 17:05:24
● 2026-04-12 07:56:08

○A54.146.103.122026-03-06 → 2026-03-06 · 5 obs

○ 2017-05-19 03:20:12
● 2026-03-06 11:08:50
● 2026-03-06 19:24:24
○ 2026-03-09 03:16:18
○ 2026-04-12 07:56:08

○A54.243.75.962026-03-09 → 2026-03-10 · 5 obs

○ 2026-03-06 19:24:24
● 2026-03-09 03:16:18
● 2026-03-10 08:41:46
○ 2026-03-15 02:30:58
○ 2026-04-12 07:56:08

○A54.81.195.2112026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-10 08:41:46
● 2026-03-15 02:30:58
○ 2026-03-18 02:34:36
○ 2026-04-12 07:56:08

○A74.112.69.62015-06-06 → 2017-05-19 · 4 obs

● 2015-06-06 12:24:06
● 2017-05-19 03:20:12
○ 2026-03-06 11:08:50
○ 2026-04-12 07:56:08

○A75.101.153.1352026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-15 02:30:58
● 2026-03-18 02:34:36
○ 2026-03-21 11:04:40
○ 2026-04-12 07:56:08

○A98.90.55.2272026-03-21 → 2026-03-21 · 5 obs

○ 2026-03-18 02:34:36
● 2026-03-21 11:04:40
● 2026-03-21 12:15:14
○ 2026-03-29 17:05:24
○ 2026-04-12 07:56:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...	-
mkt5221.com	ns1.acoustic-adm.com, ns2.acoustic-adm.com, ns3.acoustic-adm.com, ns4.acoustic-adm.com	8 records

✅ Authoritative Response

Server:205.251.198.78

NS records: ns1.acoustic-adm.com, ns2.acoustic-adm.com, ns3.acoustic-adm.com, ns4.acoustic-adm.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mkt5221.com (unsigned zone)

⏱️ Timing

Total: 132ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`52.207.169.134, 100.49.7.231`
NS	4	`ns1.acoustic-adm.com, ns2.acoustic-adm.com...`
MX	2	`reply.mkt5221.com (pri: 10), mail4623.mkt5221.com.mkt5221.com (pri: 2`
TXT	1	`v=spf1 ip4:208.73.5.92 -all`
SOA	1	`ns1.acoustic-adm.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.acoustic-adm.com, ns1.acoustic-adm.com, ns2.acoustic-adm.com...)

Analysis

Hierarchy

mkt5221.com is a parent of reply.mkt5221.com, regis-management.mkt5221.com and contentz.mkt5221.com.

IP Addresses

mkt5221.com points to two IP numbers: 52.207.169.134 and 100.49.7.231.

Other host names such as mkt519.com, mkt2424.com, mkt7215.com, mkt2415.com and mkt2395.com share IP numbers with mkt5221.com.

Name Servers

mkt5221.com is delegated to four name servers: ns1.acoustic-adm.com, ns2.acoustic-adm.com, ns3.acoustic-adm.com and ns4.acoustic-adm.com.

At least part of the name servers for mkt5221.com are shared with other domains, for instance mkt1056.com, mkt5133.com, mkt8478.com, mkt7249.com and mkt5922.com.

Host names with two IP numbers:

ns1.acoustic-adm.com points to: 2600:9000:5305:1100::1 and 205.251.197.17

ns2.acoustic-adm.com points to: 2600:9000:5306:4e00::1 and 205.251.198.78

ns3.acoustic-adm.com points to: 2600:9000:5302:7b00::1 and 205.251.194.123

ns4.acoustic-adm.com points to: 2600:9000:5300:ed00::1 and 205.251.192.237

Mail Servers

mkt5221.com is handled by two mail servers: reply.mkt5221.com and mail4623.mkt5221.com.mkt5221.com.

mkt5221.com shares some mail servers with other domains, for instance reply.mkt5221.com and mail4623.mkt5221.com.mkt5221.com.

Hostnames with a single IP

reply.mkt5221.com resolves to: 23.21.100.49.

mail4623.mkt5221.com.mkt5221.com resolves to: 208.73.5.92.

mkt5221.com - robtex.com

mkt5221.com

com

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

`mkt5221.com`

`com`