worknotes.com - dns.ninja

`worknotes.com`

DNSSEC	⚠️ Not signed
A	216.33.93.201^{🇺🇸 AS3561216.33.64.0/19}
NS	`ns-1494.awsdns-58.org` ⭐
		A	2600:9000:5305:d600::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1494.awsdns-58.org`
		A	205.251.197.214^{🇺🇸 Amazon205.251.197.0/24 prefix}
NS	`ns-2009.awsdns-59.co.uk`
		A	2600:9000:5307:d900::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2009.awsdns-59.co.uk`
		A	205.251.199.217^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2009.awsdns-59.co.uk`
NS	`ns-228.awsdns-28.com`
		A	2600:9000:5300:e400::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-228.awsdns-28.com`
		A	205.251.192.228^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-228.awsdns-28.com`
NS	`ns-840.awsdns-41.net`
		A	2600:9000:5303:4800::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-840.awsdns-41.net`
		A	205.251.195.72^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-840.awsdns-41.net`
MX	`worknotes-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr02cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:f903::^{🇺🇸 Microsoft2a01:111:f000::/36}
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.9.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.9.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr03cu00206.inbound.protection.outlook.com`
		A	52.101.11.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr03cu00102.inbound.protection.outlook.com`
		A	52.101.50.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
TXT	`MS=ms18302687`
TXT	`v=spf1 a mx a:teacherweb.com a:mail.teacherweb.com ip4:216.33.93.192/27 ip4:2...`
SOA	`ns-1494.awsdns-58.org`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=1782732190

WOT: SAFE (65/100)

Subdomains

www.worknotes.com

mail.worknotes.com

Same first word

worknotes.net

worknotes.co

worknotes.co.uk

worknotes.org

worknotes.com

worknotes.ru

Similar names

DNS History

11 records (6 active, 5 former)

○NSdnsmaster01.blackboard.com2015-07-17 → 2016-12-21 · 4 obs

● 2015-07-17 23:24:36
● 2016-12-21 23:15:00
○ 2026-03-21 14:05:40
○ 2026-06-29 11:38:24

●NSns-1494.awsdns-58.org2026-03-21 → 2026-06-29 · 3 obs

○ 2016-12-21 23:15:00
● 2026-03-21 14:05:40
● 2026-06-29 11:38:24

●NSns-2009.awsdns-59.co.uk2026-03-21 → 2026-06-29 · 3 obs

○ 2016-12-21 23:15:00
● 2026-03-21 14:05:40
● 2026-06-29 11:38:24

●NSns-228.awsdns-28.com2026-03-21 → 2026-06-29 · 3 obs

○ 2016-12-21 23:15:00
● 2026-03-21 14:05:40
● 2026-06-29 11:38:24

●NSns-840.awsdns-41.net2026-03-21 → 2026-06-29 · 3 obs

○ 2016-12-21 23:15:00
● 2026-03-21 14:05:40
● 2026-06-29 11:38:24

○NSns1.blackboard.com2015-07-17 → 2016-12-21 · 4 obs

● 2015-07-17 23:24:36
● 2016-12-21 23:15:00
○ 2026-03-21 14:05:40
○ 2026-06-29 11:38:24

○NSns2.blackboard.com2015-07-17 → 2016-12-21 · 4 obs

● 2015-07-17 23:24:36
● 2016-12-21 23:15:00
○ 2026-03-21 14:05:40
○ 2026-06-29 11:38:24

○NSns3.blackboard.com2015-07-17 → 2016-12-21 · 4 obs

● 2015-07-17 23:24:36
● 2016-12-21 23:15:00
○ 2026-03-21 14:05:40
○ 2026-06-29 11:38:24

○NSns4.blackboard.com2015-07-17 → 2016-12-21 · 4 obs

● 2015-07-17 23:24:36
● 2016-12-21 23:15:00
○ 2026-03-21 14:05:40
○ 2026-06-29 11:38:24

●MXworknotes-com.mail.protection.outlook.com2015-07-17 → 2026-06-29 · 2 obs

● 2015-07-17 23:24:36
● 2026-06-29 11:38:24

●A216.33.93.2012015-07-17 → 2026-06-29 · 2 obs

● 2015-07-17 23:24:36
● 2026-06-29 11:38:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
worknotes.com	ns-228.awsdns-28.com, ns-840.awsdns-41.net, ns-2009.awsdns-59.co.uk, ns-1494.awsdns-58.org	2 records

✅ Authoritative Response

Server:205.251.192.228

NS records: ns-228.awsdns-28.com, ns-840.awsdns-41.net, ns-2009.awsdns-59.co.uk, ns-1494.awsdns-58.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for worknotes.com (unsigned zone)

⏱️ Timing

Total: 612ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.33.93.201`
NS	4	`ns-1494.awsdns-58.org, ns-2009.awsdns-59.co.uk...`
MX	1	`worknotes-com.mail.protection.outlook.co`
TXT	2	`MS=ms18302687, v=spf1 a mx a:teacherweb.com a:mail.teac`
SOA	1	`ns-1494.awsdns-58.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-228.awsdns-28.com, ns-228.awsdns-28.com)

Analysis

Hierarchy

www.worknotes.com and mail.worknotes.com each fall under worknotes.com as their parent domain.

IP Addresses

worknotes.com resolves to just one IP address, 216.33.93.201.

Name Servers

The NS records for worknotes.com point to four name servers: ns-228.awsdns-28.com, ns-840.awsdns-41.net, ns-1494.awsdns-58.org and ns-2009.awsdns-59.co.uk.

There is at least partial name server overlap between worknotes.com and other domains — flybrix.com, keepsakekornerflowers.com, d1tyig4521la46.cloudfront.net and two more among them.

All four hostnames — ns-228.awsdns-28.com, ns-840.awsdns-41.net, ns-1494.awsdns-58.org and ns-2009.awsdns-59.co.uk — resolve to two IP numbers apiece: ns-228.awsdns-28.com to 205.251.192.228 and 2600:9000:5300:e400::1; ns-840.awsdns-41.net to 205.251.195.72 and 2600:9000:5303:4800::1; ns-1494.awsdns-58.org to 205.251.197.214 and 2600:9000:5305:d600::1; ns-2009.awsdns-59.co.uk to 205.251.199.217 and 2600:9000:5307:d900::1.

Mail Servers

The sole mail server for worknotes.com is worknotes-com.mail.protection.outlook.com.

With 8 IP addresses total, worknotes-com.mail.protection.outlook.com resolves to 52.101.9.5, 52.101.9.14, 52.101.11.2 and 5 others.