`teacherweblockers.com`

DNSSEC	⚠️ Not signed
NS	`ns-439.awsdns-54.com` ⭐
		A	2600:9000:5301:b700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-439.awsdns-54.com`
		A	205.251.193.183^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-439.awsdns-54.com`
NS	`ns-1422.awsdns-49.org`
		A	2600:9000:5305:8e00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1422.awsdns-49.org`
		A	205.251.197.142^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1422.awsdns-49.org`
NS	`ns-1772.awsdns-29.co.uk`
		A	2600:9000:5306:ec00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1772.awsdns-29.co.uk`
		A	205.251.198.236^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1772.awsdns-29.co.uk`
NS	`ns-974.awsdns-57.net`
		A	2600:9000:5303:ce00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-974.awsdns-57.net`
		A	205.251.195.206^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-974.awsdns-57.net`
TXT	`v=spf1 -all`
SOA	`ns-439.awsdns-54.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=1777088246

Same first word

teacherweblockers.com

DNS History

8 records (4 active, 4 former)

●NSns-1422.awsdns-49.org2026-04-04 → 2026-04-25 · 3 obs

○ 2016-07-08 06:29:52
● 2026-04-04 09:10:02
● 2026-04-25 04:04:50

●NSns-1772.awsdns-29.co.uk2026-04-04 → 2026-04-25 · 3 obs

○ 2016-07-08 06:29:52
● 2026-04-04 09:10:02
● 2026-04-25 04:04:50

●NSns-439.awsdns-54.com2026-04-04 → 2026-04-25 · 3 obs

○ 2016-07-08 06:29:52
● 2026-04-04 09:10:02
● 2026-04-25 04:04:50

●NSns-974.awsdns-57.net2026-04-04 → 2026-04-25 · 3 obs

○ 2016-07-08 06:29:52
● 2026-04-04 09:10:02
● 2026-04-25 04:04:50

○NSns1.edline.com2016-03-07 → 2016-07-08 · 4 obs

● 2016-03-07 12:31:08
● 2016-07-08 06:29:52
○ 2026-04-04 09:10:02
○ 2026-04-25 04:04:50

○NSns2.edline.com2016-03-07 → 2016-07-08 · 4 obs

● 2016-03-07 12:31:08
● 2016-07-08 06:29:52
○ 2026-04-04 09:10:02
○ 2026-04-25 04:04:50

○MXmail.teacherweblockers.com2016-03-07 → 2016-07-08 · 4 obs

● 2016-03-07 12:31:08
● 2016-07-08 06:29:52
○ 2026-04-04 09:10:02
○ 2026-04-25 04:04:50

○A216.33.93.2032016-03-07 → 2016-07-08 · 4 obs

● 2016-03-07 12:31:08
● 2016-07-08 06:29:52
○ 2026-04-04 09:10:02
○ 2026-04-25 04:04:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
teacherweblockers.com	ns-439.awsdns-54.com, ns-974.awsdns-57.net, ns-1772.awsdns-29.co.uk, ns-1422.awsdns-49.org	2 records

✅ Authoritative Response

Server:205.251.197.142

NS records: ns-439.awsdns-54.com, ns-974.awsdns-57.net, ns-1772.awsdns-29.co.uk, ns-1422.awsdns-49.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for teacherweblockers.com (unsigned zone)

⏱️ Timing

Total: 443ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1422.awsdns-49.org, ns-1772.awsdns-29.co.uk...`
TXT	1	`v=spf1 -all`
SOA	1	`ns-439.awsdns-54.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-439.awsdns-54.com, ns-439.awsdns-54.com)

Analysis

Name Servers

teacherweblockers.com is delegated to four name servers: ns-439.awsdns-54.com, ns-974.awsdns-57.net, ns-1422.awsdns-49.org and ns-1772.awsdns-29.co.uk.

At least part of the name servers for teacherweblockers.com are shared with other domains, for instance gudgroup.ca, d3mxmkang3me0r.cloudfront.net, shippinghub.net, maisonjules.be and colert.com.

These name servers are often used together with ns-1238.awsdns-26.org, ns-12.awsdns-01.com and ns-569.awsdns-07.net.

Host names with two IP numbers:

ns-439.awsdns-54.com points to: 2600:9000:5301:b700::1 and 205.251.193.183

ns-974.awsdns-57.net points to: 2600:9000:5303:ce00::1 and 205.251.195.206

ns-1422.awsdns-49.org points to: 2600:9000:5305:8e00::1 and 205.251.197.142

ns-1772.awsdns-29.co.uk points to: 2600:9000:5306:ec00::1 and 205.251.198.236

teacherweblockers.com - robtex.com