groklearning.com - dns.ninja

`groklearning.com`

DNSSEC	⚠️ Not signed
A	13.237.68.1^{🇦🇺 Amazon13.236.0.0/14}
		PTR	`ec2-13-237-68-1.ap-southeast-2.compute.amazonaws.com`
A	52.62.32.35^{🇦🇺 Amazon52.62.0.0/15 EC2 SYD prefix}
A	54.252.155.147^{🇦🇺 Amazon54.252.128.0/17 AMAZON Australia Prefix NTT need exact match}
NS	`ns-1831.awsdns-36.co.uk` ⭐
		A	2600:9000:5307:2700::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1831.awsdns-36.co.uk`
		A	205.251.199.39^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1831.awsdns-36.co.uk`
NS	`ns-1270.awsdns-30.org`
		A	2600:9000:5304:f600::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1270.awsdns-30.org`
		A	205.251.196.246^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1270.awsdns-30.org`
NS	`ns-456.awsdns-57.com`
		A	2600:9000:5301:c800::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-456.awsdns-57.com`
		A	205.251.193.200^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-456.awsdns-57.com`
NS	`ns-520.awsdns-01.net`
		A	2600:9000:5302:800::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-520.awsdns-01.net`
		A	205.251.194.8^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-520.awsdns-01.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`atlassian-domain-verification=EqD1h5CTsOqqtHnuVJ7XNcUi/LKPNgG8uhvUEUYKuHfbbf+...`
TXT	`atlassian-domain-verification=KBB1y1p8SRV3mTTYy3tmihth7xtz7uWVHgLDxfFi5pqOdXA...`
TXT	`google-site-verification=6jjPOTS8uLcaw93Fr8mar_nnGNDo34uWZbTWKUcDTdM`
TXT	`google-site-verification=IeUJyhk6nHdc3kbf0dkKDUDGkGMa4SIVUezF1SHdG80`
TXT	`google-site-verification=qFQFRZm8RbloIt9AW1z6RrCL3NFLhPfLhZCvifSPNg8`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com ~all`
SOA	`ns-1831.awsdns-36.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=1786463599

rank #473561 globally
rank #194597 in the tld
WOT: SAFE (76/100)
📈 Tranco rank: #323,982

Subdomains

realtime.groklearning.com

www.groklearning.com

Same first word

groklearning.com

groklearning.net

groklearning.org

groklearning.io

Similar names

klingerorgan.com

DNS History

54 records (12 active, 42 former)

●NSns-1270.awsdns-30.org2015-05-07 → 2026-08-11 · 2 obs

● 2015-05-07 23:54:32
● 2026-08-11 16:12:38

●NSns-1831.awsdns-36.co.uk2015-05-07 → 2026-08-11 · 2 obs

● 2015-05-07 23:54:32
● 2026-08-11 16:12:38

●NSns-456.awsdns-57.com2015-05-07 → 2026-08-11 · 2 obs

● 2015-05-07 23:54:32
● 2026-08-11 16:12:38

●NSns-520.awsdns-01.net2015-05-07 → 2026-08-11 · 2 obs

● 2015-05-07 23:54:32
● 2026-08-11 16:12:38

●MXalt1.aspmx.l.google.com2015-05-07 → 2026-08-11 · 2 obs

● 2015-05-07 23:54:32
● 2026-08-11 16:12:38

●MXalt2.aspmx.l.google.com2015-05-07 → 2026-08-11 · 2 obs

● 2015-05-07 23:54:32
● 2026-08-11 16:12:38

●MXaspmx.l.google.com2015-05-07 → 2026-08-11 · 2 obs

● 2015-05-07 23:54:32
● 2026-08-11 16:12:38

●MXaspmx2.googlemail.com2015-05-07 → 2026-08-11 · 2 obs

● 2015-05-07 23:54:32
● 2026-08-11 16:12:38

●MXaspmx3.googlemail.com2015-05-07 → 2026-08-11 · 2 obs

● 2015-05-07 23:54:32
● 2026-08-11 16:12:38

○A13.210.179.352026-05-23 → 2026-05-23 · 4 obs

○ 2026-05-10 21:39:50
● 2026-05-23 03:19:00
○ 2026-05-24 15:26:22
○ 2026-08-11 16:12:38

○A13.236.141.352026-04-09 → 2026-04-09 · 4 obs

○ 2026-02-25 21:07:54
● 2026-04-09 05:16:16
○ 2026-05-08 18:20:56
○ 2026-08-11 16:12:38

○A13.236.169.2182026-02-25 → 2026-08-11 · 2 obs

○ 2026-02-25 21:07:54
○ 2026-08-11 16:12:38

○A13.237.130.1402026-05-10 → 2026-05-10 · 4 obs

○ 2026-05-08 18:20:56
● 2026-05-10 21:39:50
○ 2026-05-23 03:19:00
○ 2026-08-11 16:12:38

●A13.237.68.12026-08-11 → 2026-08-11 · 3 obs

○ 2026-07-18 09:11:26
● 2026-08-11 16:12:36
● 2026-08-11 16:12:38

○A13.238.110.952026-05-23 → 2026-05-23 · 4 obs

○ 2026-05-10 21:39:50
● 2026-05-23 03:19:00
○ 2026-05-24 15:26:22
○ 2026-08-11 16:12:38

○A13.238.177.2002026-05-23 → 2026-05-23 · 4 obs

○ 2026-05-10 21:39:50
● 2026-05-23 03:19:00
○ 2026-05-24 15:26:22
○ 2026-08-11 16:12:38

○A13.239.170.2392026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-23 03:19:00
● 2026-05-24 15:26:22
○ 2026-05-27 08:48:46
○ 2026-08-11 16:12:38

○A13.54.140.1512026-04-09 → 2026-04-09 · 4 obs

○ 2026-02-25 21:07:54
● 2026-04-09 05:16:16
○ 2026-05-08 18:20:56
○ 2026-08-11 16:12:38

○A13.55.113.2452026-07-18 → 2026-07-18 · 4 obs

○ 2026-05-27 08:48:46
● 2026-07-18 09:11:26
○ 2026-08-11 16:12:36
○ 2026-08-11 16:12:38

○A13.55.26.1802026-07-18 → 2026-07-18 · 4 obs

○ 2026-05-27 08:48:46
● 2026-07-18 09:11:26
○ 2026-08-11 16:12:36
○ 2026-08-11 16:12:38

○A13.55.99.1902026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-23 03:19:00
● 2026-05-24 15:26:22
○ 2026-05-27 08:48:46
○ 2026-08-11 16:12:38

○A15.134.18.2092026-02-25 → 2026-02-25 · 4 obs

○ 2017-06-14 18:55:20
● 2026-02-25 21:07:54
○ 2026-04-09 05:16:16
○ 2026-08-11 16:12:38

○A2403:b300:ff00::3642:7b5a2015-12-23 → 2016-03-09 · 5 obs

○ 2015-10-18 15:24:14
● 2015-12-23 03:06:40
● 2016-03-09 14:59:24
○ 2016-09-07 13:40:02
○ 2026-08-11 16:12:38

○A2403:b300:ff00::36fc:64f72015-10-18 → 2015-10-18 · 4 obs

○ 2015-05-07 23:54:32
● 2015-10-18 15:24:14
○ 2015-12-23 03:06:40
○ 2026-08-11 16:12:38

○A2403:b300:ff00::36fc:67f82015-12-23 → 2016-03-09 · 5 obs

○ 2015-10-18 15:24:14
● 2015-12-23 03:06:40
● 2016-03-09 14:59:24
○ 2016-09-07 13:40:02
○ 2026-08-11 16:12:38

○A2403:b300:ff00::36fd:fb442015-10-18 → 2015-10-18 · 4 obs

○ 2015-05-07 23:54:32
● 2015-10-18 15:24:14
○ 2015-12-23 03:06:40
○ 2026-08-11 16:12:38

○A3.104.132.472026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-24 15:26:22
● 2026-05-27 08:48:46
○ 2026-07-18 09:11:26
○ 2026-08-11 16:12:38

○A3.106.162.2532026-07-18 → 2026-07-18 · 4 obs

○ 2026-05-27 08:48:46
● 2026-07-18 09:11:26
○ 2026-08-11 16:12:36
○ 2026-08-11 16:12:38

○A3.26.252.942026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-24 15:26:22
● 2026-05-27 08:48:46
○ 2026-07-18 09:11:26
○ 2026-08-11 16:12:38

●A52.62.32.352026-08-11 → 2026-08-11 · 3 obs

○ 2026-07-18 09:11:26
● 2026-08-11 16:12:36
● 2026-08-11 16:12:38

○A52.63.72.262026-05-08 → 2026-05-10 · 5 obs

○ 2026-04-09 05:16:16
● 2026-05-08 18:20:56
● 2026-05-10 21:39:50
○ 2026-05-23 03:19:00
○ 2026-08-11 16:12:38

○A52.64.218.612026-05-10 → 2026-05-10 · 4 obs

○ 2026-05-08 18:20:56
● 2026-05-10 21:39:50
○ 2026-05-23 03:19:00
○ 2026-08-11 16:12:38

○A52.64.8.1442026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-09 05:16:16
● 2026-05-08 18:20:56
○ 2026-05-10 21:39:50
○ 2026-08-11 16:12:38

○A52.65.173.622026-02-25 → 2026-08-11 · 2 obs

○ 2026-02-25 21:07:54
○ 2026-08-11 16:12:38

○A54.206.150.262026-02-25 → 2026-02-25 · 4 obs

○ 2017-06-14 18:55:20
● 2026-02-25 21:07:54
○ 2026-04-09 05:16:16
○ 2026-08-11 16:12:38

○A54.252.100.2472015-10-18 → 2015-10-18 · 4 obs

○ 2015-05-07 23:54:32
● 2015-10-18 15:24:14
○ 2015-12-23 03:06:40
○ 2026-08-11 16:12:38

○A54.252.103.2482015-12-23 → 2016-03-09 · 5 obs

○ 2015-10-18 15:24:14
● 2015-12-23 03:06:40
● 2016-03-09 14:59:24
○ 2016-09-07 13:40:02
○ 2026-08-11 16:12:38

○A54.252.106.1132015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 23:54:32
○ 2015-10-18 15:24:14
○ 2026-08-11 16:12:38

○A54.252.111.1742017-06-14 → 2017-06-14 · 4 obs

○ 2016-11-18 20:27:36
● 2017-06-14 18:55:20
○ 2026-02-25 21:07:54
○ 2026-08-11 16:12:38

○A54.252.115.2332016-09-07 → 2016-11-18 · 5 obs

○ 2016-03-09 14:59:24
● 2016-09-07 13:40:02
● 2016-11-18 20:27:36
○ 2017-06-14 18:55:20
○ 2026-08-11 16:12:38

○A54.252.122.452016-11-18 → 2017-06-14 · 5 obs

○ 2016-09-07 13:40:02
● 2016-11-18 20:27:36
● 2017-06-14 18:55:20
○ 2026-02-25 21:07:54
○ 2026-08-11 16:12:38

●A54.252.155.1472026-08-11 → 2026-08-11 · 3 obs

○ 2026-07-18 09:11:26
● 2026-08-11 16:12:36
● 2026-08-11 16:12:38

○A54.253.114.1202026-05-27 → 2026-05-27 · 4 obs

○ 2026-05-24 15:26:22
● 2026-05-27 08:48:46
○ 2026-07-18 09:11:26
○ 2026-08-11 16:12:38

○A54.253.120.2322015-05-07 → 2015-05-07 · 3 obs

● 2015-05-07 23:54:32
○ 2017-06-14 18:55:20
○ 2026-08-11 16:12:38

○A54.253.123.1582017-06-14 → 2017-06-14 · 4 obs

○ 2016-11-18 20:27:36
● 2017-06-14 18:55:20
○ 2026-02-25 21:07:54
○ 2026-08-11 16:12:38

○A54.253.152.1502026-04-09 → 2026-04-09 · 4 obs

○ 2026-02-25 21:07:54
● 2026-04-09 05:16:16
○ 2026-05-08 18:20:56
○ 2026-08-11 16:12:38

○A54.253.175.2252026-05-24 → 2026-05-24 · 4 obs

○ 2026-05-23 03:19:00
● 2026-05-24 15:26:22
○ 2026-05-27 08:48:46
○ 2026-08-11 16:12:38

○A54.253.251.52016-09-07 → 2016-09-07 · 4 obs

○ 2016-03-09 14:59:24
● 2016-09-07 13:40:02
○ 2016-11-18 20:27:36
○ 2026-08-11 16:12:38

○A54.253.251.682015-10-18 → 2015-10-18 · 4 obs

○ 2015-05-07 23:54:32
● 2015-10-18 15:24:14
○ 2015-12-23 03:06:40
○ 2026-08-11 16:12:38

○A54.253.252.1712016-09-07 → 2016-11-18 · 5 obs

○ 2016-03-09 14:59:24
● 2016-09-07 13:40:02
● 2016-11-18 20:27:36
○ 2017-06-14 18:55:20
○ 2026-08-11 16:12:38

○A54.253.30.2352026-02-25 → 2026-08-11 · 2 obs

○ 2026-02-25 21:07:54
○ 2026-08-11 16:12:38

○A54.66.123.902015-12-23 → 2016-03-09 · 5 obs

○ 2015-10-18 15:24:14
● 2015-12-23 03:06:40
● 2016-03-09 14:59:24
○ 2016-09-07 13:40:02
○ 2026-08-11 16:12:38

○A54.66.184.1362026-02-25 → 2026-02-25 · 4 obs

○ 2017-06-14 18:55:20
● 2026-02-25 21:07:54
○ 2026-04-09 05:16:16
○ 2026-08-11 16:12:38

○A54.66.66.1192026-05-08 → 2026-05-08 · 4 obs

○ 2026-04-09 05:16:16
● 2026-05-08 18:20:56
○ 2026-05-10 21:39:50
○ 2026-08-11 16:12:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net...	-
groklearning.com	ns-520.awsdns-01.net, ns-456.awsdns-57.com, ns-1831.awsdns-36.co.uk, ns-1270.awsdns-30.org	2 records

✅ Authoritative Response

Server:205.251.193.200

NS records: ns-520.awsdns-01.net, ns-456.awsdns-57.com, ns-1831.awsdns-36.co.uk, ns-1270.awsdns-30.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groklearning.com (unsigned zone)

⏱️ Timing

Total: 784ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`52.62.32.35, 54.252.155.147...`
NS	4	`ns-1270.awsdns-30.org, ns-1831.awsdns-36.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	6	`atlassian-domain-verification=EqD1h5CTsO, atlassian-domain-verification=KBB1y1p8SR...`
SOA	1	`ns-1831.awsdns-36.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-456.awsdns-57.com, ns-456.awsdns-57.com)

Analysis

Hierarchy

The parent domain of realtime.groklearning.com and www.groklearning.com is groklearning.com.

IP Addresses

The hostname groklearning.com resolves to three IP addresses: 13.237.68.1, 52.62.32.35 and 54.252.155.147.

Other host names, such as get.gl, share IP numbers with groklearning.com.

Name Servers

The domain groklearning.com is delegated to these four name servers: ns-456.awsdns-57.com, ns-520.awsdns-01.net, ns-1270.awsdns-30.org and ns-1831.awsdns-36.co.uk.

groklearning.com partially shares its NS delegation with several other domains, including investadium.com, new55533.com, jedynak.com and two others.

ns-456.awsdns-57.com, ns-520.awsdns-01.net, ns-1270.awsdns-30.org and ns-1831.awsdns-36.co.uk each carry two IP addresses. ns-456.awsdns-57.com has 205.251.193.200 and 2600:9000:5301:c800::1; ns-520.awsdns-01.net has 205.251.194.8 and 2600:9000:5302:800::1; ns-1270.awsdns-30.org has 205.251.196.246 and 2600:9000:5304:f600::1; ns-1831.awsdns-36.co.uk has 205.251.199.39 and 2600:9000:5307:2700::1.

Mail Servers

groklearning.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

groklearning.com shares at least some of its mail servers with other domains — for example cofame.co, ns500754.ns500754.ns500671.ns500731.ns500671.ns500671.ns500705.ns500671.ns500704.ns500666.tenderladiesbz.com, ns500754.ns500731.ns500731.ns500731.ns500731.ns500731.ns500671.ns500704.ns500705.ns500153.tenderladiesbz.com and two more.

It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

aspmx2.googlemail.com points to 192.178.234.26 and 2800:3f0:4003:c14::1a.

aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com points to 142.251.167.26 and 2607:f8b0:4004:c09::1a.

alt1.aspmx.l.google.com points to 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c14::1a IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 2a00:1450:400b:c02::1b IP addresses.