`qhdlearning.com`

DNSSEC	⚠️ Not signed
A	108.139.182.16^{🇺🇸 Amazon108.139.180.0/22}
		PTR	`server-108-139-182-16.gru3.r.cloudfront.net`
A	108.139.182.84^{🇺🇸 Amazon108.139.180.0/22}
A	108.139.182.94^{🇺🇸 Amazon108.139.180.0/22}
A	108.139.182.115^{🇺🇸 Amazon108.139.180.0/22}
NS	`ns-1609.awsdns-09.co.uk` ⭐
		A	2600:9000:5306:4900::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1609.awsdns-09.co.uk`
		A	205.251.198.73^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1609.awsdns-09.co.uk`
NS	`ns-1126.awsdns-12.org`
		A	2600:9000:5304:6600::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1126.awsdns-12.org`
		A	205.251.196.102^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1126.awsdns-12.org`
NS	`ns-356.awsdns-44.com`
		A	2600:9000:5301:6400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-356.awsdns-44.com`
		A	205.251.193.100^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-356.awsdns-44.com`
NS	`ns-682.awsdns-21.net`
		A	2600:9000:5302:aa00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-682.awsdns-21.net`
		A	205.251.194.170^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-682.awsdns-21.net`
SOA	`ns-1609.awsdns-09.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=1775387062

Subdomains

www.qhdlearning.com

Same first word

qhdlearning.com

DNS History

32 records (8 active, 24 former)

●NSns-1126.awsdns-12.org2026-02-17 → 2026-04-05 · 2 obs

● 2026-02-17 05:20:04
● 2026-04-05 11:26:18

●NSns-1609.awsdns-09.co.uk2026-02-17 → 2026-04-05 · 2 obs

● 2026-02-17 05:20:04
● 2026-04-05 11:26:18

●NSns-356.awsdns-44.com2026-02-17 → 2026-04-05 · 2 obs

● 2026-02-17 05:20:04
● 2026-04-05 11:26:18

●NSns-682.awsdns-21.net2026-02-17 → 2026-04-05 · 2 obs

● 2026-02-17 05:20:04
● 2026-04-05 11:26:18

●A108.139.182.1152026-03-31 → 2026-04-05 · 5 obs

○ 2026-03-23 07:27:46
● 2026-03-31 11:19:28
○ 2026-04-01 01:22:24
○ 2026-04-03 01:12:48
● 2026-04-05 11:26:18

●A108.139.182.162026-03-31 → 2026-04-05 · 5 obs

○ 2026-03-23 07:27:46
● 2026-03-31 11:19:28
○ 2026-04-01 01:22:24
○ 2026-04-03 01:12:48
● 2026-04-05 11:26:18

●A108.139.182.842026-03-31 → 2026-04-05 · 5 obs

○ 2026-03-23 07:27:46
● 2026-03-31 11:19:28
○ 2026-04-01 01:22:24
○ 2026-04-03 01:12:48
● 2026-04-05 11:26:18

●A108.139.182.942026-03-31 → 2026-04-05 · 5 obs

○ 2026-03-23 07:27:46
● 2026-03-31 11:19:28
○ 2026-04-01 01:22:24
○ 2026-04-03 01:12:48
● 2026-04-05 11:26:18

○A13.226.209.192026-02-17 → 2026-03-18 · 21 obs

● 2026-02-17 05:20:04
○ 2026-02-17 11:22:02
○ 2026-02-20 00:53:48
● 2026-02-20 03:43:32
○ 2026-02-20 12:05:08
○ 2026-02-23 12:11:24
● 2026-02-23 17:03:38
○ 2026-02-23 19:21:32
○ 2026-03-02 17:42:14
● 2026-03-03 01:00:54
○ 2026-03-03 08:17:58
○ 2026-03-04 01:20:44
● 2026-03-04 13:10:56
● 2026-03-05 00:13:36
○ 2026-03-05 05:34:34
○ 2026-03-17 16:38:14
● 2026-03-17 18:28:32
○ 2026-03-17 22:13:50
● 2026-03-18 00:03:36
○ 2026-03-18 02:40:06
○ 2026-04-05 11:26:18

○A13.226.209.222026-02-17 → 2026-03-18 · 21 obs

○A13.226.209.292026-02-17 → 2026-03-18 · 21 obs

○A13.226.209.562026-02-17 → 2026-03-18 · 21 obs

○A13.33.235.1122026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-20 02:53:20
● 2026-03-23 00:29:36
○ 2026-03-23 07:27:46
○ 2026-04-05 11:26:18

○A13.33.235.1152026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-20 02:53:20
● 2026-03-23 00:29:36
○ 2026-03-23 07:27:46
○ 2026-04-05 11:26:18

○A13.33.235.542026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-20 02:53:20
● 2026-03-23 00:29:36
○ 2026-03-23 07:27:46
○ 2026-04-05 11:26:18

○A13.33.235.612026-03-23 → 2026-03-23 · 4 obs

○ 2026-03-20 02:53:20
● 2026-03-23 00:29:36
○ 2026-03-23 07:27:46
○ 2026-04-05 11:26:18

○A18.164.96.102026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:13:32
● 2026-03-14 12:15:58
● 2026-03-14 13:09:14
○ 2026-03-14 14:50:08
○ 2026-04-05 11:26:18

○A18.164.96.1262026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:13:32
● 2026-03-14 12:15:58
● 2026-03-14 13:09:14
○ 2026-03-14 14:50:08
○ 2026-04-05 11:26:18

○A18.164.96.622026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:13:32
● 2026-03-14 12:15:58
● 2026-03-14 13:09:14
○ 2026-03-14 14:50:08
○ 2026-04-05 11:26:18

○A18.164.96.962026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:13:32
● 2026-03-14 12:15:58
● 2026-03-14 13:09:14
○ 2026-03-14 14:50:08
○ 2026-04-05 11:26:18

○A18.165.116.472026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-01 01:22:24
● 2026-04-02 05:19:14
○ 2026-04-02 11:59:56
○ 2026-04-05 11:26:18

○A18.165.116.62026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-01 01:22:24
● 2026-04-02 05:19:14
○ 2026-04-02 11:59:56
○ 2026-04-05 11:26:18

○A18.165.116.712026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-01 01:22:24
● 2026-04-02 05:19:14
○ 2026-04-02 11:59:56
○ 2026-04-05 11:26:18

○A18.165.116.752026-04-02 → 2026-04-02 · 4 obs

○ 2026-04-01 01:22:24
● 2026-04-02 05:19:14
○ 2026-04-02 11:59:56
○ 2026-04-05 11:26:18

○A52.222.177.1002026-02-18 → 2026-04-03 · 53 obs

○ 2026-02-17 11:22:02
● 2026-02-18 04:36:28
● 2026-02-18 16:25:30
○ 2026-02-19 06:41:12
● 2026-02-19 08:30:38
● 2026-02-20 00:53:48
○ 2026-02-20 03:43:32
● 2026-02-20 12:05:08
● 2026-02-22 15:18:52
○ 2026-02-22 22:57:34
● 2026-02-23 00:27:42
○ 2026-02-23 06:32:38
● 2026-02-23 12:11:24
○ 2026-02-23 17:03:38
● 2026-02-23 19:21:32
● 2026-02-26 16:13:08
○ 2026-02-26 18:16:56
● 2026-02-26 22:57:56
● 2026-02-28 15:23:48
○ 2026-02-28 23:49:42
● 2026-03-01 11:04:44
● 2026-03-02 17:42:14
○ 2026-03-03 01:00:54
○ 2026-03-03 11:03:00
● 2026-03-03 15:01:00
● 2026-03-04 01:20:44
○ 2026-03-04 13:10:56
○ 2026-03-05 00:13:36
● 2026-03-05 05:34:34
● 2026-03-07 03:10:32
○ 2026-03-09 10:37:30
● 2026-03-09 17:15:20
● 2026-03-14 07:13:32
○ 2026-03-14 12:15:58
○ 2026-03-14 14:50:08
● 2026-03-14 15:50:36
● 2026-03-17 16:38:14
○ 2026-03-17 18:28:32
○ 2026-03-18 00:03:36
● 2026-03-18 02:40:06
● 2026-03-18 20:51:32
○ 2026-03-18 21:43:32
● 2026-03-19 01:30:48
○ 2026-03-19 20:40:28
● 2026-03-20 02:53:20
○ 2026-03-23 00:29:36
● 2026-03-23 07:27:46
○ 2026-03-31 11:19:28
● 2026-04-01 01:22:24
○ 2026-04-02 05:19:14
● 2026-04-02 11:59:56
● 2026-04-03 01:12:48
○ 2026-04-05 11:26:18

○A52.222.177.1022026-02-18 → 2026-04-03 · 53 obs

○A52.222.177.722026-02-18 → 2026-04-03 · 53 obs

○A52.222.177.822026-02-18 → 2026-04-03 · 53 obs

○A52.84.20.1172026-02-17 → 2026-03-19 · 36 obs

○ 2026-02-17 05:20:04
● 2026-02-17 11:22:02
○ 2026-02-18 04:36:28
○ 2026-02-18 16:25:30
● 2026-02-19 06:41:12
○ 2026-02-19 08:30:38
○ 2026-02-22 15:18:52
● 2026-02-22 22:57:34
○ 2026-02-23 00:27:42
● 2026-02-23 06:32:38
○ 2026-02-23 12:11:24
○ 2026-02-26 16:13:08
● 2026-02-26 18:16:56
○ 2026-02-26 22:57:56
○ 2026-02-28 15:23:48
● 2026-02-28 23:49:42
○ 2026-03-01 11:04:44
○ 2026-03-03 01:00:54
● 2026-03-03 08:17:58
● 2026-03-03 11:03:00
○ 2026-03-03 15:01:00
○ 2026-03-07 03:10:32
● 2026-03-09 10:37:30
○ 2026-03-09 17:15:20
○ 2026-03-14 13:09:14
● 2026-03-14 14:50:08
○ 2026-03-14 15:50:36
○ 2026-03-17 18:28:32
● 2026-03-17 22:13:50
○ 2026-03-18 00:03:36
○ 2026-03-18 20:51:32
● 2026-03-18 21:43:32
○ 2026-03-19 01:30:48
● 2026-03-19 20:40:28
○ 2026-03-20 02:53:20
○ 2026-04-05 11:26:18

○A52.84.20.342026-02-17 → 2026-03-19 · 36 obs

○A52.84.20.522026-02-17 → 2026-03-19 · 36 obs

○A52.84.20.852026-02-17 → 2026-03-19 · 36 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net...	-
qhdlearning.com	ns-682.awsdns-21.net, ns-356.awsdns-44.com, ns-1609.awsdns-09.co.uk, ns-1126.awsdns-12.org	1 record

✅ Authoritative Response

Server:205.251.194.170

NS records: ns-682.awsdns-21.net, ns-356.awsdns-44.com, ns-1609.awsdns-09.co.uk, ns-1126.awsdns-12.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qhdlearning.com (unsigned zone)

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.139.182.16, 108.139.182.84...`
NS	4	`ns-1126.awsdns-12.org, ns-1609.awsdns-09.co.uk...`
SOA	1	`ns-1609.awsdns-09.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-356.awsdns-44.com)

Analysis

Hierarchy

qhdlearning.com is a parent of www.qhdlearning.com.

IP Addresses

qhdlearning.com resolves to four IPs: 108.139.182.16, 108.139.182.84, 108.139.182.94 and 108.139.182.115.

Other host names such as kingsconnect.org.uk, rallc.com, d3aiwdm8xshxct.cloudfront.net, app.framerstatic.com and d184846uqmr87j.cloudfront.net share IP numbers with qhdlearning.com.

Name Servers

qhdlearning.com is delegated to four name servers: ns-356.awsdns-44.com, ns-682.awsdns-21.net, ns-1126.awsdns-12.org and ns-1609.awsdns-09.co.uk.

At least part of the name servers for qhdlearning.com are shared with other domains, for instance advancedrisktechnologies.com, cihedging.com, servicemaster-restorationbysimons.com, 236west.ca and vilanopets.com.

Host names with two IP numbers:

ns-356.awsdns-44.com points to: 2600:9000:5301:6400::1 and 205.251.193.100

ns-682.awsdns-21.net points to: 2600:9000:5302:aa00::1 and 205.251.194.170

ns-1126.awsdns-12.org points to: 2600:9000:5304:6600::1 and 205.251.196.102

ns-1609.awsdns-09.co.uk points to: 2600:9000:5306:4900::1 and 205.251.198.73

qhdlearning.com - robtex.com

qhdlearning.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`qhdlearning.com`

`com`