`certcheckerapp.com`

DNSSEC	⚠️ Not signed
A	52.20.47.54^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
		PTR	`ec2-52-20-47-54.compute-1.amazonaws.com`
A	54.208.114.200^{🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix}
NS	`ns-1849.awsdns-39.co.uk` ⭐
		A	2600:9000:5307:3900::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1849.awsdns-39.co.uk`
		A	205.251.199.57^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1849.awsdns-39.co.uk`
NS	`ns-119.awsdns-14.com`
		A	2600:9000:5300:7700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-119.awsdns-14.com`
		A	205.251.192.119^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-119.awsdns-14.com`
NS	`ns-1285.awsdns-32.org`
		A	2600:9000:5305:500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1285.awsdns-32.org`
		A	205.251.197.5^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1285.awsdns-32.org`
NS	`ns-998.awsdns-60.net`
		A	2600:9000:5303:e600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-998.awsdns-60.net`
		A	205.251.195.230^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-998.awsdns-60.net`
SOA	`ns-1849.awsdns-39.co.uk`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=1771291435

DNS History

8 records (6 active, 2 former)

●NSns-119.awsdns-14.com2020-04-02 → 2026-03-09 · 2 obs

● 2020-04-02 09:16:18
● 2026-03-09 08:29:12

●NSns-1285.awsdns-32.org2020-04-02 → 2026-03-09 · 2 obs

● 2020-04-02 09:16:18
● 2026-03-09 08:29:12

●NSns-1849.awsdns-39.co.uk2020-04-02 → 2026-03-09 · 2 obs

● 2020-04-02 09:16:18
● 2026-03-09 08:29:12

●NSns-998.awsdns-60.net2020-04-02 → 2026-03-09 · 2 obs

● 2020-04-02 09:16:18
● 2026-03-09 08:29:12

○A34.224.232.2422020-04-02 → 2020-04-02 · 2 obs

● 2020-04-02 09:16:18
○ 2026-03-09 08:29:12

●A52.20.47.542026-03-09 → 2026-03-09 · 2 obs

○ 2020-04-02 09:16:18
● 2026-03-09 08:29:12

○A52.73.89.1932020-04-02 → 2020-04-02 · 2 obs

● 2020-04-02 09:16:18
○ 2026-03-09 08:29:12

●A54.208.114.2002026-03-09 → 2026-03-09 · 2 obs

○ 2020-04-02 09:16:18
● 2026-03-09 08:29:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
certcheckerapp.com	ns-119.awsdns-14.com, ns-998.awsdns-60.net, ns-1849.awsdns-39.co.uk, ns-1285.awsdns-32.org	1 record

✅ Authoritative Response

Server: 205.251.197.5

NS records: ns-119.awsdns-14.com, ns-998.awsdns-60.net, ns-1849.awsdns-39.co.uk, ns-1285.awsdns-32.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certcheckerapp.com (unsigned zone)

⏱️ Timing

Total: 781ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`52.20.47.54, 54.208.114.200`
NS	4	`ns-119.awsdns-14.com, ns-1285.awsdns-32.org...`
SOA	1	`ns-1849.awsdns-39.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-119.awsdns-14.com)

Analysis

IP Addresses

certcheckerapp.com resolves to two IP numbers: 52.20.47.54 and 54.208.114.200.

Name Servers

certcheckerapp.com's delegation is handled by four name servers: ns-119.awsdns-14.com, ns-998.awsdns-60.net, ns-1285.awsdns-32.org and ns-1849.awsdns-39.co.uk.

certcheckerapp.com partially shares name servers with other domains; examples include marktle.com, zupeefun.com, nexar.com, shopcrm.com and d3a6mh4yxg3dk7.cloudfront.net.

these name servers are commonly used with the name servers ns-987.awsdns-59.net.

Host names with two IPs:

ns-119.awsdns-14.com points to 2600:9000:5300:7700::1 and 205.251.192.119

ns-998.awsdns-60.net points to 2600:9000:5303:e600::1 and 205.251.195.230

ns-1285.awsdns-32.org points to 2600:9000:5305:500::1 and 205.251.197.5

ns-1849.awsdns-39.co.uk points to 2600:9000:5307:3900::1 and 205.251.199.57

certcheckerapp.com - robtex.com