`mrc-drilldown.com`

DNSSEC	⚠️ Not signed
A	52.52.128.104^{🇺🇸 Amazon52.52.0.0/15 EC2 SFO prefix}
		PTR	`ec2-52-52-128-104.us-west-1.compute.amazonaws.com`
A	54.183.131.171^{🇺🇸 Amazon54.183.128.0/17 EC2 SFO Prefix}
NS	`ns-865.awsdns-44.net` ⭐
		A	2600:9000:5303:6100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-865.awsdns-44.net`
		A	205.251.195.97^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-865.awsdns-44.net`
NS	`ns-1346.awsdns-40.org`
		A	2600:9000:5305:4200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1346.awsdns-40.org`
		A	205.251.197.66^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1346.awsdns-40.org`
NS	`ns-1576.awsdns-05.co.uk`
		A	2600:9000:5306:2800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1576.awsdns-05.co.uk`
		A	205.251.198.40^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1576.awsdns-05.co.uk`
NS	`ns-428.awsdns-53.com`
		A	2600:9000:5301:ac00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-428.awsdns-53.com`
		A	205.251.193.172^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-428.awsdns-53.com`
SOA	`ns-865.awsdns-44.net`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=1776292357

Subdomains

qa.mrc-drilldown.com

Same first word

mrc-drilldown.com

DNS History

10 records (6 active, 4 former)

●NSns-1346.awsdns-40.org2019-03-02 → 2026-04-15 · 2 obs

● 2019-03-02 20:59:14
● 2026-04-15 22:54:12

●NSns-1576.awsdns-05.co.uk2019-03-02 → 2026-04-15 · 2 obs

● 2019-03-02 20:59:14
● 2026-04-15 22:54:12

●NSns-428.awsdns-53.com2019-03-02 → 2026-04-15 · 2 obs

● 2019-03-02 20:59:14
● 2026-04-15 22:54:12

●NSns-865.awsdns-44.net2019-03-02 → 2026-04-15 · 2 obs

● 2019-03-02 20:59:14
● 2026-04-15 22:54:12

○A13.56.148.1492026-02-16 → 2026-02-18 · 4 obs

● 2026-02-16 22:48:16
● 2026-02-18 20:39:40
○ 2026-03-04 16:25:54
○ 2026-04-15 22:54:12

●A52.52.128.1042026-04-15 → 2026-04-15 · 3 obs

○ 2026-03-04 16:25:54
● 2026-04-15 22:54:10
● 2026-04-15 22:54:12

○A54.176.167.1672026-03-04 → 2026-03-04 · 4 obs

○ 2026-02-18 20:39:40
● 2026-03-04 16:25:54
○ 2026-04-15 22:54:10
○ 2026-04-15 22:54:12

●A54.183.131.1712026-04-15 → 2026-04-15 · 3 obs

○ 2026-03-04 16:25:54
● 2026-04-15 22:54:10
● 2026-04-15 22:54:12

○A54.215.44.2042026-03-04 → 2026-03-04 · 4 obs

○ 2026-02-18 20:39:40
● 2026-03-04 16:25:54
○ 2026-04-15 22:54:10
○ 2026-04-15 22:54:12

○A54.215.9.1762026-02-16 → 2026-02-18 · 4 obs

● 2026-02-16 22:48:16
● 2026-02-18 20:39:40
○ 2026-03-04 16:25:54
○ 2026-04-15 22:54:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mrc-drilldown.com	ns-428.awsdns-53.com, ns-865.awsdns-44.net, ns-1576.awsdns-05.co.uk, ns-1346.awsdns-40.org	1 record

✅ Authoritative Response

Server:205.251.193.172

NS records: ns-428.awsdns-53.com, ns-865.awsdns-44.net, ns-1576.awsdns-05.co.uk, ns-1346.awsdns-40.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mrc-drilldown.com (unsigned zone)

⏱️ Timing

Total: 360ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`52.52.128.104, 54.183.131.171`
NS	4	`ns-1346.awsdns-40.org, ns-1576.awsdns-05.co.uk...`
SOA	1	`ns-865.awsdns-44.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-428.awsdns-53.com)

Analysis

Hierarchy

The parent of qa.mrc-drilldown.com is mrc-drilldown.com.

IP Addresses

mrc-drilldown.com points to two IP numbers: 52.52.128.104 and 54.183.131.171.

Name Servers

mrc-drilldown.com is delegated to four name servers: ns-428.awsdns-53.com, ns-865.awsdns-44.net, ns-1346.awsdns-40.org and ns-1576.awsdns-05.co.uk.

mrc-drilldown.com shares name servers with other domains at least partially, for instance d38699zj9jq3sw.cloudfront.net, lcimedia.com, globalyeshiva.com, teamworks.co.uk and abiblia.com.br.

These name servers are commonly used with ns-722.awsdns-26.net, ns-1043.awsdns-02.org, ns-1869.awsdns-41.co.uk, ns-305.awsdns-38.com, ns-900.awsdns-48.net and ns-1434.awsdns-51.org.

Host names with two IP numbers:

ns-428.awsdns-53.com resolves to 2600:9000:5301:ac00::1 and 205.251.193.172.

ns-865.awsdns-44.net resolves to 2600:9000:5303:6100::1 and 205.251.195.97.

ns-1346.awsdns-40.org resolves to 2600:9000:5305:4200::1 and 205.251.197.66.

ns-1576.awsdns-05.co.uk resolves to 2600:9000:5306:2800::1 and 205.251.198.40.

mrc-drilldown.com - robtex.com