qhdlearning.com - dns.ninja

`qhdlearning.com`

DNSSEC	⚠️ Not signed
A	18.238.4.46^{🇺🇸 Amazon18.238.4.0/22}
		PTR	`server-18-238-4-46.phl51.r.cloudfront.net`
A	18.238.4.66^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.69^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.94^{🇺🇸 Amazon18.238.4.0/22}
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=1783939637

Subdomains

www.qhdlearning.com

Same first word

qhdlearning.com

DNS History

72 records (8 active, 64 former)

●NSns-1126.awsdns-12.org2026-02-17 → 2026-07-13 · 2 obs

● 2026-02-17 05:20:04
● 2026-07-13 11:10:58

●NSns-1609.awsdns-09.co.uk2026-02-17 → 2026-07-13 · 2 obs

● 2026-02-17 05:20:04
● 2026-07-13 11:10:58

●NSns-356.awsdns-44.com2026-02-17 → 2026-07-13 · 2 obs

● 2026-02-17 05:20:04
● 2026-07-13 11:10:58

●NSns-682.awsdns-21.net2026-02-17 → 2026-07-13 · 2 obs

● 2026-02-17 05:20:04
● 2026-07-13 11:10:58

○A108.139.182.1152026-03-31 → 2026-07-13 · 90 obs

○ 2026-03-23 07:27:46
● 2026-03-31 11:19:28
○ 2026-04-01 01:22:24
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● 2026-04-05 11:26:18
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○ 2026-07-13 11:10:58

○A108.139.182.162026-03-31 → 2026-07-13 · 90 obs

○A108.139.182.842026-03-31 → 2026-07-13 · 90 obs

○A108.139.182.942026-03-31 → 2026-07-13 · 90 obs

○A13.226.209.192026-02-17 → 2026-07-11 · 50 obs

● 2026-02-17 05:20:04
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○A13.226.209.222026-02-17 → 2026-07-11 · 50 obs

○A13.226.209.292026-02-17 → 2026-07-11 · 50 obs

○A13.226.209.562026-02-17 → 2026-07-11 · 50 obs

○A13.32.230.1092026-07-03 → 2026-07-09 · 8 obs

○ 2026-07-02 11:05:26
● 2026-07-03 02:29:20
○ 2026-07-04 08:55:26
● 2026-07-05 02:27:42
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○ 2026-07-13 11:10:58

○A13.32.230.52026-07-03 → 2026-07-09 · 8 obs

○ 2026-07-02 11:05:26
● 2026-07-03 02:29:20
○ 2026-07-04 08:55:26
● 2026-07-05 02:27:42
○ 2026-07-07 12:33:38
● 2026-07-09 02:35:04
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○ 2026-07-13 11:10:58

○A13.32.230.572026-07-03 → 2026-07-09 · 8 obs

○ 2026-07-02 11:05:26
● 2026-07-03 02:29:20
○ 2026-07-04 08:55:26
● 2026-07-05 02:27:42
○ 2026-07-07 12:33:38
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○ 2026-07-13 11:10:58

○A13.32.230.782026-07-03 → 2026-07-09 · 8 obs

○ 2026-07-02 11:05:26
● 2026-07-03 02:29:20
○ 2026-07-04 08:55:26
● 2026-07-05 02:27:42
○ 2026-07-07 12:33:38
● 2026-07-09 02:35:04
○ 2026-07-09 21:46:10
○ 2026-07-13 11:10:58

○A13.33.129.632026-05-07 → 2026-06-02 · 19 obs

○ 2026-05-06 13:54:56
● 2026-05-07 02:30:04
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● 2026-05-10 02:29:42
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○A13.33.129.732026-05-07 → 2026-06-02 · 19 obs

○A13.33.129.892026-05-07 → 2026-06-02 · 19 obs

○A13.33.129.932026-05-07 → 2026-06-02 · 19 obs

○A13.33.235.1122026-03-23 → 2026-07-13 · 6 obs

○ 2026-03-20 02:53:20
● 2026-03-23 00:29:36
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○A13.33.235.1152026-03-23 → 2026-07-13 · 6 obs

○ 2026-03-20 02:53:20
● 2026-03-23 00:29:36
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○A13.33.235.542026-03-23 → 2026-07-13 · 6 obs

○ 2026-03-20 02:53:20
● 2026-03-23 00:29:36
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○A13.33.235.612026-03-23 → 2026-07-13 · 6 obs

○ 2026-03-20 02:53:20
● 2026-03-23 00:29:36
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● 2026-07-13 00:23:04
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○ 2026-07-13 11:10:58

○A13.35.20.1022026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 04:56:32
● 2026-05-29 10:33:40
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○ 2026-07-13 11:10:58

○A13.35.20.632026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 04:56:32
● 2026-05-29 10:33:40
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○ 2026-07-13 11:10:58

○A13.35.20.72026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 04:56:32
● 2026-05-29 10:33:40
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○ 2026-07-13 11:10:58

○A13.35.20.862026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-29 04:56:32
● 2026-05-29 10:33:40
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○A18.154.110.242026-05-19 → 2026-05-27 · 7 obs

○ 2026-05-18 14:56:40
● 2026-05-19 10:45:50
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○A18.154.110.482026-05-19 → 2026-05-27 · 7 obs

○ 2026-05-18 14:56:40
● 2026-05-19 10:45:50
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○A18.154.110.512026-05-19 → 2026-05-27 · 7 obs

○ 2026-05-18 14:56:40
● 2026-05-19 10:45:50
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● 2026-05-27 11:59:04
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○A18.154.110.572026-05-19 → 2026-05-27 · 7 obs

○ 2026-05-18 14:56:40
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○A18.161.21.1202026-04-20 → 2026-05-19 · 40 obs

○ 2026-04-19 06:16:04
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○A18.161.21.1292026-04-20 → 2026-05-19 · 40 obs

○A18.161.21.322026-04-20 → 2026-05-19 · 40 obs

○A18.161.21.482026-04-20 → 2026-05-19 · 40 obs

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

○ 2026-03-14 07:13:32
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○A18.164.96.1262026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:13:32
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○A18.164.96.622026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:13:32
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○A18.164.96.962026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:13:32
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○A18.165.116.472026-04-02 → 2026-06-29 · 20 obs

○ 2026-04-01 01:22:24
● 2026-04-02 05:19:14
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● 2026-06-19 02:35:44
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○A18.165.116.62026-04-02 → 2026-06-29 · 20 obs

○A18.165.116.712026-04-02 → 2026-06-29 · 20 obs

○A18.165.116.752026-04-02 → 2026-06-29 · 20 obs

●A18.238.4.462026-07-13 → 2026-07-13 · 3 obs

○ 2026-07-13 03:16:48
● 2026-07-13 11:10:54
● 2026-07-13 11:10:58

●A18.238.4.662026-07-13 → 2026-07-13 · 3 obs

○ 2026-07-13 03:16:48
● 2026-07-13 11:10:54
● 2026-07-13 11:10:58

●A18.238.4.692026-07-13 → 2026-07-13 · 3 obs

○ 2026-07-13 03:16:48
● 2026-07-13 11:10:54
● 2026-07-13 11:10:58

●A18.238.4.942026-07-13 → 2026-07-13 · 3 obs

○ 2026-07-13 03:16:48
● 2026-07-13 11:10:54
● 2026-07-13 11:10:58

○A3.162.79.1082026-05-18 → 2026-05-18 · 4 obs

○ 2026-05-18 04:40:02
● 2026-05-18 05:58:16
○ 2026-05-18 14:56:40
○ 2026-07-13 11:10:58

○A3.162.79.1092026-05-18 → 2026-05-18 · 4 obs

○ 2026-05-18 04:40:02
● 2026-05-18 05:58:16
○ 2026-05-18 14:56:40
○ 2026-07-13 11:10:58

○A3.162.79.372026-05-18 → 2026-05-18 · 4 obs

○ 2026-05-18 04:40:02
● 2026-05-18 05:58:16
○ 2026-05-18 14:56:40
○ 2026-07-13 11:10:58

○A3.162.79.642026-05-18 → 2026-05-18 · 4 obs

○ 2026-05-18 04:40:02
● 2026-05-18 05:58:16
○ 2026-05-18 14:56:40
○ 2026-07-13 11:10:58

○A3.170.103.1122026-05-19 → 2026-07-02 · 34 obs

○ 2026-05-19 12:44:46
● 2026-05-19 15:11:50
● 2026-05-24 20:48:28
○ 2026-05-25 02:29:08
● 2026-05-25 09:21:10
● 2026-05-26 14:19:44
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● 2026-05-27 04:19:28
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○A3.170.103.582026-05-19 → 2026-07-02 · 34 obs

○A3.170.103.82026-05-19 → 2026-07-02 · 34 obs

○A3.170.103.802026-05-19 → 2026-07-02 · 34 obs

○A3.174.29.1132026-04-15 → 2026-04-15 · 6 obs

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○A3.174.29.202026-04-15 → 2026-04-15 · 6 obs

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○A3.174.29.472026-04-15 → 2026-04-15 · 6 obs

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○A3.174.29.502026-04-15 → 2026-04-15 · 6 obs

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○A3.174.59.1292026-04-10 → 2026-04-10 · 4 obs

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○A3.174.59.752026-04-10 → 2026-04-10 · 4 obs

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○A3.174.59.802026-04-10 → 2026-04-10 · 4 obs

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○A3.174.59.812026-04-10 → 2026-04-10 · 4 obs

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○A52.222.177.1002026-02-18 → 2026-06-30 · 142 obs

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○A52.222.177.1022026-02-18 → 2026-06-30 · 142 obs

○A52.222.177.722026-02-18 → 2026-06-30 · 142 obs

○A52.222.177.822026-02-18 → 2026-06-30 · 142 obs

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

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○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	f.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, j.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	2 records

✅ 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: 561ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.238.4.69, 18.238.4.66...`
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: 2

Out-of-bailiwick: 2 (ns-356.awsdns-44.com, ns-356.awsdns-44.com)

Analysis

Hierarchy

qhdlearning.com is the parent zone for www.qhdlearning.com.

IP Addresses

qhdlearning.com has four IP addresses: 18.238.4.46, 18.238.4.66, 18.238.4.69 and 18.238.4.94.

Among the host names that share IP numbers with qhdlearning.com are dwt8sjddftdpv.cloudfront.net, axtell.technology, drak.es and two others.

Name Servers

The domain qhdlearning.com is delegated to these 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.

qhdlearning.com partially shares its NS delegation with several other domains, including advancedrisktechnologies.com, cihedging.com, 236west.ca and two others.

ns-356.awsdns-44.com, ns-682.awsdns-21.net, ns-1126.awsdns-12.org and ns-1609.awsdns-09.co.uk each carry two IP addresses. ns-356.awsdns-44.com has 205.251.193.100 and 2600:9000:5301:6400::1; ns-682.awsdns-21.net has 205.251.194.170 and 2600:9000:5302:aa00::1; ns-1126.awsdns-12.org has 205.251.196.102 and 2600:9000:5304:6600::1; ns-1609.awsdns-09.co.uk has 205.251.198.73 and 2600:9000:5306:4900::1.