`the-online-class.com`

DNSSEC	⚠️ Not signed
A	13.225.107.45^{🇺🇸 Amazon13.225.107.0/24 - Cloudfront}
		PTR	`server-13-225-107-45.gru3.r.cloudfront.net`
A	13.225.107.56^{🇺🇸 Amazon13.225.107.0/24 - Cloudfront}
A	13.225.107.88^{🇺🇸 Amazon13.225.107.0/24 - Cloudfront}
A	13.225.107.93^{🇺🇸 Amazon13.225.107.0/24 - Cloudfront}
NS	`ns-67.awsdns-08.com` ⭐
		A	2600:9000:5300:4300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-67.awsdns-08.com`
		A	205.251.192.67^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-67.awsdns-08.com`
NS	`ns-1472.awsdns-56.org`
		A	2600:9000:5305:c000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1472.awsdns-56.org`
		A	205.251.197.192^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1472.awsdns-56.org`
NS	`ns-1640.awsdns-13.co.uk`
		A	2600:9000:5306:6800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1640.awsdns-13.co.uk`
		A	205.251.198.104^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1640.awsdns-13.co.uk`
NS	`ns-656.awsdns-18.net`
		A	2600:9000:5302:9000::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-656.awsdns-18.net`
		A	205.251.194.144^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-656.awsdns-18.net`
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
TXT	`v=spf1 +mx include:amazonses.com include:myasp.jp ~all`
SOA	`ns-67.awsdns-08.com`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=1775979427

📈 Tranco rank: #869,413

Subdomains

app.the-online-class.com

Same first word

the-online-class.com

DNS History

41 records (9 active, 32 former)

●NSns-1472.awsdns-56.org2020-01-31 → 2026-04-12 · 2 obs

● 2020-01-31 00:59:58
● 2026-04-12 07:40:22

●NSns-1640.awsdns-13.co.uk2020-01-31 → 2026-04-12 · 2 obs

● 2020-01-31 00:59:58
● 2026-04-12 07:40:22

●NSns-656.awsdns-18.net2020-01-31 → 2026-04-12 · 2 obs

● 2020-01-31 00:59:58
● 2026-04-12 07:40:22

●NSns-67.awsdns-08.com2020-01-31 → 2026-04-12 · 2 obs

● 2020-01-31 00:59:58
● 2026-04-12 07:40:22

●MXinbound-smtp.us-east-1.amazonaws.com2026-02-15 → 2026-04-12 · 2 obs

● 2026-02-15 17:07:52
● 2026-04-12 07:40:22

○A108.139.47.1062026-03-07 → 2026-03-14 · 7 obs

○ 2026-03-07 10:27:10
● 2026-03-07 21:58:06
○ 2026-03-08 04:27:00
○ 2026-03-14 07:34:30
● 2026-03-14 13:37:04
○ 2026-03-14 15:35:08
○ 2026-04-12 07:40:22

○A108.139.47.1162026-03-07 → 2026-03-14 · 7 obs

○ 2026-03-07 10:27:10
● 2026-03-07 21:58:06
○ 2026-03-08 04:27:00
○ 2026-03-14 07:34:30
● 2026-03-14 13:37:04
○ 2026-03-14 15:35:08
○ 2026-04-12 07:40:22

○A108.139.47.212026-03-07 → 2026-03-14 · 7 obs

○ 2026-03-07 10:27:10
● 2026-03-07 21:58:06
○ 2026-03-08 04:27:00
○ 2026-03-14 07:34:30
● 2026-03-14 13:37:04
○ 2026-03-14 15:35:08
○ 2026-04-12 07:40:22

○A108.139.47.792026-03-07 → 2026-03-14 · 7 obs

○ 2026-03-07 10:27:10
● 2026-03-07 21:58:06
○ 2026-03-08 04:27:00
○ 2026-03-14 07:34:30
● 2026-03-14 13:37:04
○ 2026-03-14 15:35:08
○ 2026-04-12 07:40:22

●A13.225.107.452026-03-31 → 2026-04-12 · 7 obs

○ 2026-03-31 01:30:30
● 2026-03-31 08:02:12
● 2026-03-31 11:19:36
○ 2026-04-01 15:41:14
○ 2026-04-09 05:06:22
● 2026-04-12 07:40:20
● 2026-04-12 07:40:22

●A13.225.107.562026-03-31 → 2026-04-12 · 7 obs

○ 2026-03-31 01:30:30
● 2026-03-31 08:02:12
● 2026-03-31 11:19:36
○ 2026-04-01 15:41:14
○ 2026-04-09 05:06:22
● 2026-04-12 07:40:20
● 2026-04-12 07:40:22

●A13.225.107.882026-03-31 → 2026-04-12 · 7 obs

○ 2026-03-31 01:30:30
● 2026-03-31 08:02:12
● 2026-03-31 11:19:36
○ 2026-04-01 15:41:14
○ 2026-04-09 05:06:22
● 2026-04-12 07:40:20
● 2026-04-12 07:40:22

●A13.225.107.932026-03-31 → 2026-04-12 · 7 obs

○ 2026-03-31 01:30:30
● 2026-03-31 08:02:12
● 2026-03-31 11:19:36
○ 2026-04-01 15:41:14
○ 2026-04-09 05:06:22
● 2026-04-12 07:40:20
● 2026-04-12 07:40:22

○A13.226.144.1252026-02-20 → 2026-04-09 · 51 obs

○ 2026-02-20 11:19:16
● 2026-02-20 17:50:38
○ 2026-02-21 18:16:42
● 2026-02-21 23:27:08
● 2026-02-24 23:25:12
○ 2026-02-26 10:59:36
● 2026-02-26 15:23:06
● 2026-02-28 22:25:52
○ 2026-02-28 23:18:28
● 2026-03-02 23:25:44
● 2026-03-06 23:16:58
○ 2026-03-07 00:23:34
○ 2026-03-07 04:17:22
● 2026-03-07 09:24:14
● 2026-03-07 10:27:10
○ 2026-03-07 21:58:06
○ 2026-03-08 04:27:00
● 2026-03-08 05:55:50
● 2026-03-09 19:19:14
○ 2026-03-11 06:43:56
● 2026-03-11 08:47:06
● 2026-03-14 07:34:30
○ 2026-03-14 13:37:04
● 2026-03-14 15:35:08
● 2026-03-15 04:15:58
○ 2026-03-15 15:06:46
● 2026-03-15 18:32:00
○ 2026-03-15 19:29:40
○ 2026-03-16 02:40:06
● 2026-03-16 03:20:46
● 2026-03-17 05:34:58
○ 2026-03-17 16:47:56
● 2026-03-17 18:28:52
● 2026-03-17 22:35:46
○ 2026-03-19 22:54:18
● 2026-03-20 00:27:10
○ 2026-03-20 17:04:40
○ 2026-03-21 00:13:14
● 2026-03-21 02:44:14
○ 2026-03-22 14:38:36
● 2026-03-24 15:09:30
● 2026-03-30 07:34:36
○ 2026-03-31 01:30:30
○ 2026-03-31 11:19:36
● 2026-04-01 15:41:14
● 2026-04-02 08:54:10
○ 2026-04-02 10:14:56
● 2026-04-03 01:30:50
● 2026-04-09 05:06:22
○ 2026-04-12 07:40:20
○ 2026-04-12 07:40:22

○A13.226.144.392026-02-20 → 2026-04-09 · 51 obs

○A13.226.144.842026-02-20 → 2026-04-09 · 51 obs

○A13.226.144.932026-02-20 → 2026-04-09 · 51 obs

○A13.227.173.1252026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-28 22:25:52
● 2026-02-28 23:18:28
○ 2026-03-02 23:25:44
○ 2026-04-12 07:40:22

○A13.227.173.322026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-28 22:25:52
● 2026-02-28 23:18:28
○ 2026-03-02 23:25:44
○ 2026-04-12 07:40:22

○A13.227.173.402026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-28 22:25:52
● 2026-02-28 23:18:28
○ 2026-03-02 23:25:44
○ 2026-04-12 07:40:22

○A13.227.173.942026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-28 22:25:52
● 2026-02-28 23:18:28
○ 2026-03-02 23:25:44
○ 2026-04-12 07:40:22

○A18.160.10.142026-02-17 → 2026-03-21 · 28 obs

○ 2026-02-15 23:46:54
● 2026-02-17 17:53:04
○ 2026-02-17 22:51:40
○ 2026-02-20 08:10:18
● 2026-02-20 10:00:34
● 2026-02-20 11:19:16
○ 2026-02-20 17:50:38
○ 2026-03-06 23:16:58
● 2026-03-07 00:23:34
● 2026-03-07 04:17:22
○ 2026-03-07 09:24:14
○ 2026-03-09 19:19:14
● 2026-03-11 06:43:56
○ 2026-03-11 08:47:06
○ 2026-03-15 18:32:00
● 2026-03-15 19:29:40
○ 2026-03-16 02:40:06
○ 2026-03-17 05:34:58
● 2026-03-17 16:47:56
○ 2026-03-17 18:28:52
○ 2026-03-17 22:35:46
● 2026-03-19 22:54:18
○ 2026-03-20 00:27:10
● 2026-03-20 17:04:40
○ 2026-03-20 20:26:56
● 2026-03-21 00:13:14
○ 2026-03-21 02:44:14
○ 2026-04-12 07:40:22

○A18.160.10.382026-02-17 → 2026-03-21 · 28 obs

○A18.160.10.612026-02-17 → 2026-03-21 · 28 obs

○A18.160.10.852026-02-17 → 2026-03-21 · 28 obs

○A18.164.174.142026-02-17 → 2026-03-20 · 23 obs

○ 2026-02-17 17:53:04
● 2026-02-17 22:51:40
● 2026-02-20 08:10:18
○ 2026-02-20 10:00:34
○ 2026-02-20 17:50:38
● 2026-02-21 18:16:42
○ 2026-02-21 23:27:08
○ 2026-02-24 23:25:12
● 2026-02-26 10:59:36
○ 2026-02-26 15:23:06
○ 2026-03-07 21:58:06
● 2026-03-08 04:27:00
○ 2026-03-08 05:55:50
○ 2026-03-15 04:15:58
● 2026-03-15 15:06:46
○ 2026-03-15 18:32:00
○ 2026-03-15 19:29:40
● 2026-03-16 02:40:06
○ 2026-03-16 03:20:46
○ 2026-03-20 17:04:40
● 2026-03-20 20:26:56
○ 2026-03-21 00:13:14
○ 2026-04-12 07:40:22

○A18.164.174.32026-02-17 → 2026-03-20 · 23 obs

○A18.164.174.462026-02-17 → 2026-03-20 · 23 obs

○A18.164.174.712026-02-17 → 2026-03-20 · 23 obs

○A18.164.77.262026-03-31 → 2026-04-02 · 7 obs

○ 2026-03-30 07:34:36
● 2026-03-31 01:30:30
○ 2026-03-31 08:02:12
○ 2026-04-02 08:54:10
● 2026-04-02 10:14:56
○ 2026-04-03 01:30:50
○ 2026-04-12 07:40:22

○A18.164.77.362026-03-31 → 2026-04-02 · 7 obs

○ 2026-03-30 07:34:36
● 2026-03-31 01:30:30
○ 2026-03-31 08:02:12
○ 2026-04-02 08:54:10
● 2026-04-02 10:14:56
○ 2026-04-03 01:30:50
○ 2026-04-12 07:40:22

○A18.164.77.762026-03-31 → 2026-04-02 · 7 obs

○ 2026-03-30 07:34:36
● 2026-03-31 01:30:30
○ 2026-03-31 08:02:12
○ 2026-04-02 08:54:10
● 2026-04-02 10:14:56
○ 2026-04-03 01:30:50
○ 2026-04-12 07:40:22

○A18.164.77.82026-03-31 → 2026-04-02 · 7 obs

○ 2026-03-30 07:34:36
● 2026-03-31 01:30:30
○ 2026-03-31 08:02:12
○ 2026-04-02 08:54:10
● 2026-04-02 10:14:56
○ 2026-04-03 01:30:50
○ 2026-04-12 07:40:22

○A3.161.82.1082026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 02:44:14
● 2026-03-22 14:38:36
○ 2026-03-24 15:09:30
○ 2026-04-12 07:40:22

○A3.161.82.492026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 02:44:14
● 2026-03-22 14:38:36
○ 2026-03-24 15:09:30
○ 2026-04-12 07:40:22

○A3.161.82.662026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 02:44:14
● 2026-03-22 14:38:36
○ 2026-03-24 15:09:30
○ 2026-04-12 07:40:22

○A3.161.82.702026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-21 02:44:14
● 2026-03-22 14:38:36
○ 2026-03-24 15:09:30
○ 2026-04-12 07:40:22

○A3.166.49.122026-02-15 → 2026-02-15 · 4 obs

● 2026-02-15 17:07:52
● 2026-02-15 23:46:54
○ 2026-02-17 17:53:04
○ 2026-04-12 07:40:22

○A3.166.49.352026-02-15 → 2026-02-15 · 4 obs

● 2026-02-15 17:07:52
● 2026-02-15 23:46:54
○ 2026-02-17 17:53:04
○ 2026-04-12 07:40:22

○A3.166.49.502026-02-15 → 2026-02-15 · 4 obs

● 2026-02-15 17:07:52
● 2026-02-15 23:46:54
○ 2026-02-17 17:53:04
○ 2026-04-12 07:40:22

○A3.166.49.722026-02-15 → 2026-02-15 · 4 obs

● 2026-02-15 17:07:52
● 2026-02-15 23:46:54
○ 2026-02-17 17:53:04
○ 2026-04-12 07:40:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
the-online-class.com	ns-67.awsdns-08.com, ns-656.awsdns-18.net, ns-1640.awsdns-13.co.uk, ns-1472.awsdns-56.org	1 record

✅ Authoritative Response

Server:205.251.198.104

NS records: ns-67.awsdns-08.com, ns-656.awsdns-18.net, ns-1640.awsdns-13.co.uk, ns-1472.awsdns-56.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for the-online-class.com (unsigned zone)

⏱️ Timing

Total: 544ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.225.107.56, 13.225.107.93...`
NS	4	`ns-1472.awsdns-56.org, ns-1640.awsdns-13.co.uk...`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	1	`v=spf1 +mx include:amazonses.com include`
SOA	1	`ns-67.awsdns-08.com awsdns-hostmaster.am`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-67.awsdns-08.com)

Analysis

Hierarchy

the-online-class.com is the parent of app.the-online-class.com.

IP Addresses

Four IP numbers are pointed to by the-online-class.com: 13.225.107.45, 13.225.107.56, 13.225.107.88 and 13.225.107.93.

other host names including swirepay.com, uap.instructure.com, hansrepublic.nimbusweb.me, tiger-sat.net and d195etb9lu0i71.cloudfront.net share IP numbers with the-online-class.com.

Name Servers

the-online-class.com is delegated to four name servers: ns-67.awsdns-08.com, ns-656.awsdns-18.net, ns-1472.awsdns-56.org and ns-1640.awsdns-13.co.uk.

the-online-class.com at least partially shares name servers with other domains, for instance pricsy.fr, mmx2reservations.com, travelwishlist.com.au, darwinschool.com and 191.33.3.in-addr.arpa.

These name servers are commonly used with ns-819.awsdns-38.net, ns-455.awsdns-56.com and ns-1461.awsdns-54.org.

Host names with two IP numbers:

ns-67.awsdns-08.com points to 2600:9000:5300:4300::1 and 205.251.192.67; ns-656.awsdns-18.net points to 2600:9000:5302:9000::1 and 205.251.194.144; ns-1472.awsdns-56.org points to 2600:9000:5305:c000::1 and 205.251.197.192; ns-1640.awsdns-13.co.uk points to 2600:9000:5306:6800::1 and 205.251.198.104.

Mail Servers

the-online-class.com is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.

the-online-class.com shares the same mail server setup as other domains, for instance jingroupuw.slack.com, rxburnplanner.com, nrol.net, esch.ca and ecodesharellc.com.

the-online-class.com shares some mail servers with other domains, at least partially, for instance i-sight.atlassian.net, ncchca.org, ipponusa.atlassian.net, picotech.atlassian.net and xontel.com.

these mail servers are commonly used with the mail servers inbound-smtp.us-west-2.amazonaws.com.

inbound-smtp.us-east-1.amazonaws.com points to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.

the-online-class.com - robtex.com