thinkbuildlearn.com - dns.ninja

`thinkbuildlearn.com`

DNSSEC	⚠️ Not signed
A	18.165.83.52^{🇺🇸 Amazon18.165.80.0/21}
		PTR	`server-18-165-83-52.iad55.r.cloudfront.net`
A	18.165.83.54^{🇺🇸 Amazon18.165.80.0/21}
A	18.165.83.75^{🇺🇸 Amazon18.165.80.0/21}
A	18.165.83.116^{🇺🇸 Amazon18.165.80.0/21}
NS	`ns-896.awsdns-48.net` ⭐
		A	2600:9000:5303:8000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-896.awsdns-48.net`
		A	205.251.195.128^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-896.awsdns-48.net`
NS	`ns-140.awsdns-17.com`
		A	2600:9000:5300:8c00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-140.awsdns-17.com`
		A	205.251.192.140^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-140.awsdns-17.com`
NS	`ns-1468.awsdns-55.org`
		A	2600:9000:5305:bc00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1468.awsdns-55.org`
		A	205.251.197.188^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1468.awsdns-55.org`
NS	`ns-1951.awsdns-51.co.uk`
		A	2600:9000:5307:9f00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1951.awsdns-51.co.uk`
		A	205.251.199.159^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1951.awsdns-51.co.uk`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
TXT	`google-site-verification=J_vpXcRoGVWXRAbSgfjEn9RC32qR3heRQ--MBcbuZQE`
SOA	`ns-896.awsdns-48.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=1782384070

Same first word

thinkbuildlearn.com

DNS History

69 records (9 active, 60 former)

●NSns-140.awsdns-17.com2026-02-15 → 2026-06-25 · 2 obs

● 2026-02-15 18:50:48
● 2026-06-25 10:47:40

●NSns-1468.awsdns-55.org2026-02-15 → 2026-06-25 · 2 obs

● 2026-02-15 18:50:48
● 2026-06-25 10:47:40

●NSns-1951.awsdns-51.co.uk2026-02-15 → 2026-06-25 · 2 obs

● 2026-02-15 18:50:48
● 2026-06-25 10:47:40

●NSns-896.awsdns-48.net2026-02-15 → 2026-06-25 · 2 obs

● 2026-02-15 18:50:48
● 2026-06-25 10:47:40

●MXsmtp.google.com2026-02-15 → 2026-06-25 · 2 obs

● 2026-02-15 18:50:48
● 2026-06-25 10:47:40

○A13.249.231.232026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 21:01:00
● 2026-05-26 22:41:28
○ 2026-05-27 03:08:08
○ 2026-06-25 10:47:40

○A13.249.231.492026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 21:01:00
● 2026-05-26 22:41:28
○ 2026-05-27 03:08:08
○ 2026-06-25 10:47:40

○A13.249.231.572026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 21:01:00
● 2026-05-26 22:41:28
○ 2026-05-27 03:08:08
○ 2026-06-25 10:47:40

○A13.249.231.762026-05-26 → 2026-05-26 · 4 obs

○ 2026-05-26 21:01:00
● 2026-05-26 22:41:28
○ 2026-05-27 03:08:08
○ 2026-06-25 10:47:40

○A18.164.124.1002026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-13 01:54:40
● 2026-03-14 14:24:10
● 2026-03-14 15:27:56
○ 2026-03-14 16:46:20
○ 2026-06-25 10:47:40

○A18.164.124.1012026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-13 01:54:40
● 2026-03-14 14:24:10
● 2026-03-14 15:27:56
○ 2026-03-14 16:46:20
○ 2026-06-25 10:47:40

○A18.164.124.412026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-13 01:54:40
● 2026-03-14 14:24:10
● 2026-03-14 15:27:56
○ 2026-03-14 16:46:20
○ 2026-06-25 10:47:40

○A18.164.124.682026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-13 01:54:40
● 2026-03-14 14:24:10
● 2026-03-14 15:27:56
○ 2026-03-14 16:46:20
○ 2026-06-25 10:47:40

●A18.165.83.1162026-02-15 → 2026-06-25 · 54 obs

● 2026-02-15 18:50:48
○ 2026-02-16 03:47:22
● 2026-02-18 10:20:46
○ 2026-02-18 20:08:50
○ 2026-02-23 13:44:24
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● 2026-03-09 06:40:32
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● 2026-03-15 04:58:42
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● 2026-05-25 21:48:28
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● 2026-06-19 11:15:44
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● 2026-06-21 00:50:36
○ 2026-06-22 02:05:16
● 2026-06-25 10:47:36
● 2026-06-25 10:47:40

●A18.165.83.522026-02-15 → 2026-06-25 · 54 obs

●A18.165.83.542026-02-15 → 2026-06-25 · 54 obs

●A18.165.83.752026-02-15 → 2026-06-25 · 54 obs

○A18.239.183.152026-04-24 → 2026-05-18 · 34 obs

○ 2026-04-19 14:53:58
● 2026-04-24 03:49:08
○ 2026-04-24 04:30:50
○ 2026-04-26 14:33:16
● 2026-04-26 15:30:44
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● 2026-05-18 10:58:30
○ 2026-05-18 12:39:24
○ 2026-06-25 10:47:40

○A18.239.183.192026-04-24 → 2026-05-18 · 34 obs

○A18.239.183.42026-04-24 → 2026-05-18 · 34 obs

○A18.239.183.552026-04-24 → 2026-05-18 · 34 obs

○A18.64.207.532026-05-10 → 2026-06-01 · 13 obs

○ 2026-05-08 23:14:16
● 2026-05-10 12:46:22
○ 2026-05-10 13:55:56
○ 2026-05-11 07:13:28
● 2026-05-11 07:51:32
○ 2026-05-11 12:00:36
○ 2026-05-18 10:58:30
● 2026-05-18 12:39:24
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○ 2026-06-01 17:19:32
● 2026-06-01 21:30:48
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○ 2026-06-25 10:47:40

○A18.64.207.72026-05-10 → 2026-06-01 · 13 obs

○A18.64.207.772026-05-10 → 2026-06-01 · 13 obs

○A18.64.207.782026-05-10 → 2026-06-01 · 13 obs

○A18.65.25.212026-02-16 → 2026-03-15 · 16 obs

○ 2026-02-15 18:50:48
● 2026-02-16 03:47:22
○ 2026-02-18 10:20:46
● 2026-02-18 20:08:50
● 2026-02-23 13:44:24
○ 2026-02-24 14:28:58
○ 2026-03-10 08:12:56
● 2026-03-12 08:20:42
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● 2026-03-12 21:26:36
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○ 2026-03-13 01:54:40
○ 2026-03-15 04:58:42
● 2026-03-15 18:11:34
○ 2026-03-15 20:10:36
○ 2026-06-25 10:47:40

○A18.65.25.312026-02-16 → 2026-03-15 · 16 obs

○A18.65.25.382026-02-16 → 2026-03-15 · 16 obs

○A18.65.25.612026-02-16 → 2026-03-15 · 16 obs

○A3.161.174.1212026-06-20 → 2026-06-24 · 6 obs

○ 2026-06-19 11:15:44
● 2026-06-20 12:26:54
○ 2026-06-21 00:50:36
● 2026-06-24 12:02:54
○ 2026-06-25 00:57:26
○ 2026-06-25 10:47:40

○A3.161.174.1262026-06-20 → 2026-06-24 · 6 obs

○ 2026-06-19 11:15:44
● 2026-06-20 12:26:54
○ 2026-06-21 00:50:36
● 2026-06-24 12:02:54
○ 2026-06-25 00:57:26
○ 2026-06-25 10:47:40

○A3.161.174.262026-06-20 → 2026-06-24 · 6 obs

○ 2026-06-19 11:15:44
● 2026-06-20 12:26:54
○ 2026-06-21 00:50:36
● 2026-06-24 12:02:54
○ 2026-06-25 00:57:26
○ 2026-06-25 10:47:40

○A3.161.174.722026-06-20 → 2026-06-24 · 6 obs

○ 2026-06-19 11:15:44
● 2026-06-20 12:26:54
○ 2026-06-21 00:50:36
● 2026-06-24 12:02:54
○ 2026-06-25 00:57:26
○ 2026-06-25 10:47:40

○A3.163.63.1072026-03-28 → 2026-06-11 · 94 obs

○ 2026-03-26 08:03:58
● 2026-03-28 19:50:46
○ 2026-03-30 12:34:20
● 2026-03-31 11:26:34
○ 2026-04-01 01:50:24
● 2026-04-05 06:41:20
● 2026-04-05 20:02:34
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○ 2026-04-11 01:15:54
● 2026-04-12 00:22:48
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● 2026-04-14 00:42:14
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● 2026-06-11 08:02:10
○ 2026-06-11 19:17:26
○ 2026-06-25 10:47:40

○A3.163.63.462026-03-28 → 2026-06-11 · 94 obs

○A3.163.63.522026-03-28 → 2026-06-11 · 94 obs

○A3.163.63.542026-03-28 → 2026-06-11 · 94 obs

○A3.164.36.132026-05-28 → 2026-06-04 · 35 obs

○ 2026-05-28 13:53:36
● 2026-05-28 15:02:02
○ 2026-05-28 22:09:16
○ 2026-05-29 11:54:48
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○ 2026-06-25 10:47:40

○A3.164.36.142026-05-28 → 2026-06-04 · 35 obs

○A3.164.36.342026-05-28 → 2026-06-04 · 35 obs

○A3.164.36.582026-05-28 → 2026-06-04 · 35 obs

○A3.166.152.1262026-06-17 → 2026-06-17 · 5 obs

○ 2026-06-16 15:42:26
● 2026-06-17 13:23:24
● 2026-06-17 14:18:06
○ 2026-06-17 15:09:56
○ 2026-06-25 10:47:40

○A3.166.152.282026-06-17 → 2026-06-17 · 5 obs

○ 2026-06-16 15:42:26
● 2026-06-17 13:23:24
● 2026-06-17 14:18:06
○ 2026-06-17 15:09:56
○ 2026-06-25 10:47:40

○A3.166.152.62026-06-17 → 2026-06-17 · 5 obs

○ 2026-06-16 15:42:26
● 2026-06-17 13:23:24
● 2026-06-17 14:18:06
○ 2026-06-17 15:09:56
○ 2026-06-25 10:47:40

○A3.166.152.862026-06-17 → 2026-06-17 · 5 obs

○ 2026-06-16 15:42:26
● 2026-06-17 13:23:24
● 2026-06-17 14:18:06
○ 2026-06-17 15:09:56
○ 2026-06-25 10:47:40

○A3.167.183.1122026-05-22 → 2026-06-08 · 79 obs

○ 2026-05-19 19:59:06
● 2026-05-22 06:52:24
● 2026-05-22 08:49:06
○ 2026-05-22 09:50:56
● 2026-05-22 11:42:14
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○A3.167.183.1252026-05-22 → 2026-06-08 · 79 obs

○A3.167.183.1282026-05-22 → 2026-06-08 · 79 obs

○A3.167.183.222026-05-22 → 2026-06-08 · 79 obs

○A3.174.26.202026-05-18 → 2026-05-18 · 4 obs

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○A3.174.26.42026-05-18 → 2026-05-18 · 4 obs

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○A3.174.26.512026-05-18 → 2026-05-18 · 4 obs

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○A3.174.26.522026-05-18 → 2026-05-18 · 4 obs

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○A3.174.29.1082026-04-15 → 2026-04-15 · 5 obs

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○A3.174.29.1122026-04-15 → 2026-04-15 · 5 obs

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○A3.174.29.652026-04-15 → 2026-04-15 · 5 obs

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○A3.174.29.92026-04-15 → 2026-04-15 · 5 obs

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○A52.222.177.1182026-03-04 → 2026-06-25 · 100 obs

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○A52.222.177.772026-03-04 → 2026-06-25 · 100 obs

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○A52.222.177.882026-03-04 → 2026-06-25 · 100 obs

○A54.230.114.192026-03-22 → 2026-04-14 · 8 obs

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○A54.230.114.352026-03-22 → 2026-04-14 · 8 obs

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○A54.230.114.742026-03-22 → 2026-04-14 · 8 obs

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○A54.230.114.842026-03-22 → 2026-04-14 · 8 obs

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○A99.84.215.1092026-03-12 → 2026-03-12 · 4 obs

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○A99.84.215.172026-03-12 → 2026-03-12 · 4 obs

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○A99.84.215.322026-03-12 → 2026-03-12 · 4 obs

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○A99.84.215.952026-03-12 → 2026-03-12 · 4 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
thinkbuildlearn.com	ns-140.awsdns-17.com, ns-896.awsdns-48.net, ns-1951.awsdns-51.co.uk, ns-1468.awsdns-55.org	2 records

✅ Authoritative Response

Server:205.251.199.159

NS records: ns-140.awsdns-17.com, ns-896.awsdns-48.net, ns-1951.awsdns-51.co.uk, ns-1468.awsdns-55.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinkbuildlearn.com (unsigned zone)

⏱️ Timing

Total: 1384ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.165.83.54, 18.165.83.52...`
NS	4	`ns-140.awsdns-17.com, ns-1468.awsdns-55.org...`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`google-site-verification=J_vpXcRoGVWXRAb`
SOA	1	`ns-896.awsdns-48.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-140.awsdns-17.com, ns-140.awsdns-17.com)

Analysis

IP Addresses

thinkbuildlearn.com has four IP addresses: 18.165.83.52, 18.165.83.54, 18.165.83.75 and 18.165.83.116.

Name Servers

The domain thinkbuildlearn.com is delegated to these four name servers: ns-140.awsdns-17.com, ns-896.awsdns-48.net, ns-1468.awsdns-55.org and ns-1951.awsdns-51.co.uk.

The host names ns-140.awsdns-17.com, ns-896.awsdns-48.net, ns-1468.awsdns-55.org and ns-1951.awsdns-51.co.uk each resolve to two IP addresses: ns-140.awsdns-17.com resolves to 205.251.192.140 and 2600:9000:5300:8c00::1; ns-896.awsdns-48.net resolves to 205.251.195.128 and 2600:9000:5303:8000::1; ns-1468.awsdns-55.org resolves to 205.251.197.188 and 2600:9000:5305:bc00::1; ns-1951.awsdns-51.co.uk resolves to 205.251.199.159 and 2600:9000:5307:9f00::1.

Mail Servers

thinkbuildlearn.com routes its mail through a single mail server, smtp.google.com.

smtp.google.com directs to 9 IP numbers, including 64.233.180.27, 172.253.62.26 and 172.253.62.27, along with 6 other.