`annenbergclassroom.com`

DNSSEC	⚠️ Not signed
A	108.138.85.30^{🇺🇸 Amazon108.138.80.0/21}
		PTR	`server-108-138-85-30.iad12.r.cloudfront.net`
A	108.138.85.74^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.78^{🇺🇸 Amazon108.138.80.0/21}
A	108.138.85.109^{🇺🇸 Amazon108.138.80.0/21}
NS	`ns-951.awsdns-54.net` ⭐
		A	2600:9000:5303:b700::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-951.awsdns-54.net`
		A	205.251.195.183^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-951.awsdns-54.net`
NS	`ns-1368.awsdns-43.org`
		A	2600:9000:5305:5800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1368.awsdns-43.org`
		A	205.251.197.88^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1368.awsdns-43.org`
NS	`ns-1585.awsdns-06.co.uk`
		A	2600:9000:5306:3100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1585.awsdns-06.co.uk`
		A	205.251.198.49^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1585.awsdns-06.co.uk`
NS	`ns-329.awsdns-41.com`
		A	2600:9000:5301:4900::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-329.awsdns-41.com`
		A	205.251.193.73^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-329.awsdns-41.com`
MX	`mx1.forwardemail.net` ⭐
		A	2604:a880:2:d0::306:1^{🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean}
			PTR	`mx1.forwardemail.net`
		A	2a02:6ea0:d71e::2^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx1.forwardemail.net`
		A	121.127.44.56^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx1.forwardemail.net`
		A	138.197.213.185^{🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean}
			PTR	`mx1.forwardemail.net`
MX	`mx2.forwardemail.net`⁽²⁰⁾
		A	2604:a880:400:d1::cd:9001^{🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	2a02:6ea0:d71e::1^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx2.forwardemail.net`
		A	104.248.224.170^{🇺🇸 DIGITALOCEAN104.248.224.0/20 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	121.127.44.59^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx2.forwardemail.net`
TXT	`forward-email=hello:marwen@gmail.com`
TXT	`v=spf1 a mx include:spf.forwardemail.net include:_spf.google.com ~all`
SOA	`ns-951.awsdns-54.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=1771291435

Subdomains

www.annenbergclassroom.com

Same first word

annenbergclassroom.com

annenbergclassroom.net

annenbergclassroom.org

DNS History

31 records (10 active, 21 former)

●NSns-1368.awsdns-43.org2026-02-15 → 2026-03-12 · 3 obs

○ 2017-06-16 17:26:00
● 2026-02-15 21:44:50
● 2026-03-12 21:20:20

●NSns-1585.awsdns-06.co.uk2026-02-15 → 2026-03-12 · 3 obs

○ 2017-06-16 17:26:00
● 2026-02-15 21:44:50
● 2026-03-12 21:20:20

●NSns-329.awsdns-41.com2026-02-15 → 2026-03-12 · 3 obs

○ 2017-06-16 17:26:00
● 2026-02-15 21:44:50
● 2026-03-12 21:20:20

●NSns-951.awsdns-54.net2026-02-15 → 2026-03-12 · 3 obs

○ 2017-06-16 17:26:00
● 2026-02-15 21:44:50
● 2026-03-12 21:20:20

○NSns37.domaincontrol.com2015-06-02 → 2017-06-16 · 4 obs

● 2015-06-02 10:08:16
● 2017-06-16 17:26:00
○ 2026-02-15 21:44:50
○ 2026-03-12 21:20:20

○NSns38.domaincontrol.com2015-06-02 → 2017-06-16 · 4 obs

● 2015-06-02 10:08:16
● 2017-06-16 17:26:00
○ 2026-02-15 21:44:50
○ 2026-03-12 21:20:20

○MXmailstore1.secureserver.net2015-06-02 → 2017-06-16 · 4 obs

● 2015-06-02 10:08:16
● 2017-06-16 17:26:00
○ 2026-02-15 21:44:50
○ 2026-03-12 21:20:20

●MXmx1.forwardemail.net2026-02-15 → 2026-03-12 · 3 obs

○ 2017-06-16 17:26:00
● 2026-02-15 21:44:50
● 2026-03-12 21:20:20

●MXmx2.forwardemail.net2026-02-15 → 2026-03-12 · 3 obs

○ 2017-06-16 17:26:00
● 2026-02-15 21:44:50
● 2026-03-12 21:20:20

○MXsmtp.secureserver.net2015-06-02 → 2017-06-16 · 4 obs

● 2015-06-02 10:08:16
● 2017-06-16 17:26:00
○ 2026-02-15 21:44:50
○ 2026-03-12 21:20:20

●A108.138.85.1092026-02-15 → 2026-03-12 · 37 obs

○ 2017-06-16 17:26:00
● 2026-02-15 21:44:50
○ 2026-02-17 03:39:38
○ 2026-02-19 18:11:04
● 2026-02-20 03:10:12
○ 2026-02-20 18:18:24
● 2026-02-21 14:00:12
○ 2026-02-21 17:54:06
○ 2026-02-23 23:20:56
● 2026-02-24 05:00:40
○ 2026-02-24 14:40:00
○ 2026-02-27 11:49:38
● 2026-02-27 14:06:46
○ 2026-02-27 16:31:06
● 2026-02-28 06:39:28
○ 2026-02-28 07:53:08
○ 2026-03-02 23:10:50
● 2026-03-03 00:18:42
● 2026-03-03 00:50:48
○ 2026-03-03 04:36:12
● 2026-03-03 09:09:54
○ 2026-03-04 02:15:20
● 2026-03-04 05:39:10
○ 2026-03-04 09:28:06
○ 2026-03-05 07:06:20
● 2026-03-05 08:03:02
○ 2026-03-05 09:40:12
○ 2026-03-05 21:53:56
● 2026-03-05 22:38:42
● 2026-03-06 03:11:24
○ 2026-03-06 03:49:12
○ 2026-03-07 02:01:10
● 2026-03-07 03:31:06
○ 2026-03-07 04:09:36
○ 2026-03-12 04:56:58
● 2026-03-12 11:14:08
● 2026-03-12 21:20:20

●A108.138.85.302026-02-15 → 2026-03-12 · 37 obs

●A108.138.85.742026-02-15 → 2026-03-12 · 37 obs

●A108.138.85.782026-02-15 → 2026-03-12 · 37 obs

○A13.249.126.1262026-02-17 → 2026-03-08 · 43 obs

○ 2026-02-15 21:44:50
● 2026-02-17 03:39:38
● 2026-02-18 14:38:34
○ 2026-02-18 22:50:08
○ 2026-02-18 23:28:08
● 2026-02-19 04:09:24
● 2026-02-19 18:11:04
○ 2026-02-20 03:10:12
○ 2026-02-21 14:00:12
● 2026-02-21 17:54:06
○ 2026-02-22 09:09:38
○ 2026-02-22 14:17:28
● 2026-02-22 16:40:06
● 2026-02-22 21:28:56
○ 2026-02-22 22:24:50
○ 2026-02-26 09:21:20
● 2026-02-26 14:29:02
○ 2026-02-26 16:30:38
○ 2026-02-26 22:19:10
● 2026-02-27 03:40:10
○ 2026-02-27 08:54:28
● 2026-02-27 11:49:38
○ 2026-02-27 14:06:46
○ 2026-03-01 07:46:48
● 2026-03-02 01:28:20
● 2026-03-02 07:51:46
○ 2026-03-02 23:10:50
○ 2026-03-03 00:50:48
● 2026-03-03 04:36:12
○ 2026-03-03 09:09:54
● 2026-03-04 02:15:20
○ 2026-03-04 05:39:10
○ 2026-03-05 09:40:12
● 2026-03-05 12:50:02
○ 2026-03-05 21:53:56
○ 2026-03-06 08:53:42
● 2026-03-06 16:51:24
○ 2026-03-06 17:55:44
○ 2026-03-08 13:45:12
● 2026-03-08 21:23:06
● 2026-03-08 23:29:22
○ 2026-03-09 19:25:36
○ 2026-03-12 21:20:20

○A13.249.126.142026-02-17 → 2026-03-08 · 43 obs

○A13.249.126.352026-02-17 → 2026-03-08 · 43 obs

○A13.249.126.452026-02-17 → 2026-03-08 · 43 obs

○A18.245.162.522026-02-22 → 2026-03-12 · 50 obs

○ 2026-02-21 17:54:06
● 2026-02-22 09:09:38
● 2026-02-22 14:17:28
○ 2026-02-22 16:40:06
○ 2026-02-22 21:28:56
● 2026-02-22 22:24:50
○ 2026-02-23 09:49:04
● 2026-02-23 15:32:06
● 2026-02-23 23:20:56
○ 2026-02-24 05:00:40
● 2026-02-24 14:40:00
● 2026-02-26 09:21:20
○ 2026-02-26 14:29:02
● 2026-02-26 16:30:38
● 2026-02-26 22:19:10
○ 2026-02-27 03:40:10
● 2026-02-27 08:54:28
○ 2026-02-27 11:49:38
○ 2026-02-27 14:06:46
● 2026-02-27 16:31:06
○ 2026-02-28 06:39:28
● 2026-02-28 07:53:08
● 2026-02-28 13:42:48
○ 2026-03-01 07:46:48
○ 2026-03-02 07:51:46
● 2026-03-02 23:10:50
○ 2026-03-03 00:18:42
○ 2026-03-04 05:39:10
● 2026-03-04 09:28:06
● 2026-03-05 07:06:20
○ 2026-03-05 08:03:02
● 2026-03-05 09:40:12
○ 2026-03-05 12:50:02
● 2026-03-05 21:53:56
○ 2026-03-05 22:38:42
○ 2026-03-06 03:11:24
● 2026-03-06 03:49:12
● 2026-03-06 08:53:42
○ 2026-03-06 16:51:24
● 2026-03-06 17:55:44
● 2026-03-07 02:01:10
○ 2026-03-07 03:31:06
○ 2026-03-07 04:09:36
● 2026-03-08 13:45:12
○ 2026-03-08 21:23:06
○ 2026-03-08 23:29:22
● 2026-03-09 19:25:36
● 2026-03-12 04:56:58
○ 2026-03-12 11:14:08
○ 2026-03-12 21:20:20

○A18.245.162.952026-02-22 → 2026-03-12 · 50 obs

○A18.245.162.972026-02-22 → 2026-03-12 · 50 obs

○A18.245.162.982026-02-22 → 2026-03-12 · 50 obs

○A216.137.53.1212026-02-18 → 2026-03-07 · 14 obs

○ 2026-02-18 14:38:34
● 2026-02-18 22:50:08
● 2026-02-18 23:28:08
○ 2026-02-19 04:09:24
○ 2026-02-20 03:10:12
● 2026-02-20 18:18:24
○ 2026-02-21 14:00:12
○ 2026-02-28 13:42:48
● 2026-03-01 07:46:48
○ 2026-03-02 01:28:20
○ 2026-03-07 03:31:06
● 2026-03-07 04:09:36
○ 2026-03-08 13:45:12
○ 2026-03-12 21:20:20

○A216.137.53.1282026-02-18 → 2026-03-07 · 14 obs

○A216.137.53.532026-02-18 → 2026-03-07 · 14 obs

○A216.137.53.832026-02-18 → 2026-03-07 · 14 obs

○A3.174.193.1282026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 22:24:50
● 2026-02-23 09:49:04
○ 2026-02-23 15:32:06
○ 2026-03-12 21:20:20

○A3.174.193.162026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 22:24:50
● 2026-02-23 09:49:04
○ 2026-02-23 15:32:06
○ 2026-03-12 21:20:20

○A3.174.193.32026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 22:24:50
● 2026-02-23 09:49:04
○ 2026-02-23 15:32:06
○ 2026-03-12 21:20:20

○A3.174.193.422026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 22:24:50
● 2026-02-23 09:49:04
○ 2026-02-23 15:32:06
○ 2026-03-12 21:20:20

○A50.63.202.232015-06-02 → 2017-06-16 · 4 obs

● 2015-06-02 10:08:16
● 2017-06-16 17:26:00
○ 2026-02-15 21:44:50
○ 2026-03-12 21:20:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
annenbergclassroom.com	ns-329.awsdns-41.com, ns-951.awsdns-54.net, ns-1585.awsdns-06.co.uk, ns-1368.awsdns-43.org	1 record

✅ Authoritative Response

Server: 205.251.193.73

NS records: ns-329.awsdns-41.com, ns-951.awsdns-54.net, ns-1585.awsdns-06.co.uk, ns-1368.awsdns-43.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for annenbergclassroom.com (unsigned zone)

⏱️ Timing

Total: 504ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.138.85.78, 108.138.85.109...`
NS	4	`ns-1368.awsdns-43.org, ns-1585.awsdns-06.co.uk...`
MX	2	`mx1.forwardemail.net (pri: 10), mx2.forwardemail.net (pri: 20)`
TXT	2	`forward-email=hello:marwen@gmail.com, v=spf1 a mx include:spf.forwardemail.net`
SOA	1	`ns-951.awsdns-54.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-329.awsdns-41.com)

Analysis

Hierarchy

annenbergclassroom.com is the parent of www.annenbergclassroom.com.

IP Addresses

Four IP numbers are pointed to by annenbergclassroom.com: 108.138.85.30, 108.138.85.74, 108.138.85.78 and 108.138.85.109.

other host names including aaf86984-9dda-4af9-8bcc-fc9f7b9c48d3.iad.login.instructure.com, irs-gmbh.de, de1f1l5l72ecp.cloudfront.net, app.alypaa.fi and doublespark-entertainment.de share IP numbers with annenbergclassroom.com.

Name Servers

annenbergclassroom.com is delegated to four name servers: ns-329.awsdns-41.com, ns-951.awsdns-54.net, ns-1368.awsdns-43.org and ns-1585.awsdns-06.co.uk.

annenbergclassroom.com at least partially shares name servers with other domains, for instance zstormsoft.com, gfcto.com, mods.biz, hh-cologne.de and notreal.eu.

these name servers are often used together with ns-449.awsdns-56.com, ns-1007.awsdns-61.net, ns-1761.awsdns-28.co.uk and ns-1047.awsdns-02.org.

Host names with two IP numbers:

ns-329.awsdns-41.com points to 2600:9000:5301:4900::1 and 205.251.193.73; ns-951.awsdns-54.net points to 2600:9000:5303:b700::1 and 205.251.195.183; ns-1368.awsdns-43.org points to 2600:9000:5305:5800::1 and 205.251.197.88; ns-1585.awsdns-06.co.uk points to 2600:9000:5306:3100::1 and 205.251.198.49.

Mail Servers

Two mail servers handle annenbergclassroom.com: mx1.forwardemail.net and mx2.forwardemail.net.

annenbergclassroom.com shares the same mail server setup as other domains, for instance lamariee.pl, vtool.info, lauradaviesgolf.com, funorbit.net and winningtheweb.com.

annenbergclassroom.com shares some mail servers with other domains, at least partially, for example fdmoore.net and zbackslash.com.

Host names with four IP numbers: mx1.forwardemail.net points to 2604:a880:2:d0::306:1, 2a02:6ea0:d71e::2, 121.127.44.56 and 138.197.213.185; mx2.forwardemail.net points to 2604:a880:400:d1::cd:9001, 2a02:6ea0:d71e::1, 104.248.224.170 and 121.127.44.59.

annenbergclassroom.com - robtex.com