`ndws.org`

DNSSEC	⚠️ Not signed
A	3.130.223.75^{🇺🇸 Amazon3.130.0.0/16 EC2 CMH prefix}
		PTR	`ec2-3-130-223-75.us-east-2.compute.amazonaws.com`
A	3.139.242.0^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
A	3.140.42.194^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
NS	`adonis10-2022.umnet.umich.edu` ⭐
		A	141.211.147.213^{🇺🇸 UMICH-ASN1141.211.0.0/16 University of Michigan IT Communications Services 4251 Plymouth Road Ann Arbor MI 48105, US}
			PTR	`adonis10-2022.umnet.umich.edu`
NS	`cffw1.dns.umich.com` ⚠️ Not in zone NS records
		A	192.12.80.214^{🇺🇸 UMICH-ASN1192.12.80.0/24 University of Michigan IT Communications Services 4251 Plymouth Road Ann Arbor MI 48105, US}
			PTR	`ns-bin-arbl-1-2022.umnet.umich.edu`
NS	`cffw2.dns.umich.net` ⚠️ Not in zone NS records
		A	192.12.80.222^{🇺🇸 UMICH-ASN1192.12.80.0/24 University of Michigan IT Communications Services 4251 Plymouth Road Ann Arbor MI 48105, US}
			PTR	`ns-bin-seb-1-2022.umnet.umich.edu`
NS	`dns1.itd.umich.edu` ⚠️ Not in parent delegation
		A	2607:f018:fffd:53::2^{🇺🇸 UMICH-ASN12607:f018::/32 University of Michigan}
			PTR	`ns-bin-arbl-1-2022.umnet.umich.edu`
		A	192.12.80.214^{🇺🇸 UMICH-ASN1192.12.80.0/24 University of Michigan IT Communications Services 4251 Plymouth Road Ann Arbor MI 48105, US}
			PTR	`ns-bin-arbl-1-2022.umnet.umich.edu`
NS	`dns2.itd.umich.edu` ⚠️ Not in parent delegation
		A	2607:f018:fffd:53::12^{🇺🇸 UMICH-ASN12607:f018::/32 University of Michigan}
			PTR	`ns-bin-seb-1-2022.umnet.umich.edu`
		A	192.12.80.222^{🇺🇸 UMICH-ASN1192.12.80.0/24 University of Michigan IT Communications Services 4251 Plymouth Road Ann Arbor MI 48105, US}
			PTR	`ns-bin-seb-1-2022.umnet.umich.edu`
NS	`dns3.umich.org` ⚠️ Not in parent delegation
		A	18.233.1.143^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-233-1-143.compute-1.amazonaws.com`
NS	`dns4.umich.org` ⚠️ Not in parent delegation
		A	3.224.111.90^{🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-224-111-90.compute-1.amazonaws.com`
MX	`ndws-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::16^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00306.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.9.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr02cu00100.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.194.4^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch4pr04cu00104.inbound.protection.outlook.com`
SOA	`adonis10-2022.umnet.umich.edu`webmaster@umich.edu serial=774266117

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1782083781

Same first word

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ndws.shop

ndws.com

ndws.net

ndws.cn

ndws.com.au

Similar names

sdwn.ch

wdsn.de

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wnds.com

DNS History

20 records (11 active, 9 former)

●NSadonis10-2022.umnet.umich.edu2026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

●NScffw1.dns.umich.com2026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

●NScffw2.dns.umich.net2026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

●NSdns1.itd.umich.edu2026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

●NSdns2.itd.umich.edu2026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

●NSdns3.umich.org2026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

●NSdns4.umich.org2026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

○NSns1.22.cn2016-08-20 → 2016-08-20 · 4 obs

○ 2016-06-30 15:56:08
● 2016-08-20 14:12:18
○ 2016-12-25 09:24:24
○ 2026-06-21 23:40:20

○NSns1.parkingcrew.net2016-03-18 → 2016-06-30 · 4 obs

● 2016-03-18 07:49:16
● 2016-06-30 15:56:08
○ 2016-08-20 14:12:18
○ 2026-06-21 23:40:20

○NSns2.22.cn2016-08-20 → 2016-08-20 · 4 obs

○ 2016-06-30 15:56:08
● 2016-08-20 14:12:18
○ 2016-12-25 09:24:24
○ 2026-06-21 23:40:20

○NSns2.parkingcrew.net2016-03-18 → 2016-06-30 · 4 obs

● 2016-03-18 07:49:16
● 2016-06-30 15:56:08
○ 2016-08-20 14:12:18
○ 2026-06-21 23:40:20

○NSns3.22.cn2016-08-20 → 2016-08-20 · 4 obs

○ 2016-06-30 15:56:08
● 2016-08-20 14:12:18
○ 2016-12-25 09:24:24
○ 2026-06-21 23:40:20

○NSns4.22.cn2016-08-20 → 2016-08-20 · 4 obs

○ 2016-06-30 15:56:08
● 2016-08-20 14:12:18
○ 2016-12-25 09:24:24
○ 2026-06-21 23:40:20

○MXmail.h-email.net2016-03-18 → 2016-06-30 · 4 obs

● 2016-03-18 07:49:16
● 2016-06-30 15:56:08
○ 2016-12-25 09:24:24
○ 2026-06-21 23:40:20

●MXndws-org.mail.protection.outlook.com2026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

○A185.53.177.62016-06-30 → 2016-06-30 · 4 obs

○ 2016-03-18 07:49:16
● 2016-06-30 15:56:08
○ 2016-12-25 09:24:24
○ 2026-06-21 23:40:20

●A3.130.223.752026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

●A3.139.242.02026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

●A3.140.42.1942026-06-09 → 2026-06-21 · 3 obs

○ 2016-12-25 09:24:24
● 2026-06-09 20:02:04
● 2026-06-21 23:40:20

○A54.72.9.512016-03-18 → 2016-03-18 · 3 obs

● 2016-03-18 07:49:16
○ 2016-06-30 15:56:08
○ 2026-06-21 23:40:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
ndws.org	cffw1.dns.umich.com, cffw2.dns.umich.net	-

✅ Authoritative Response

Server:192.12.80.222

NS records: cffw1.dns.umich.com, cffw2.dns.umich.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ndws.org (unsigned zone)

⏱️ Timing

Total: 589ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`3.140.42.194, 3.130.223.75...`
NS	4	`dns2.itd.umich.edu, dns4.umich.org...`
MX	1	`ndws-org.mail.protection.outlook.com (pr`
SOA	1	`adonis10-2022.umnet.umich.edu webmaster.`

Analysis

IP Addresses

ndws.org resolves to three IP addresses: 3.130.223.75, 3.139.242.0 and 3.140.42.194.

Two other host names, along with google.umich.edu, umtri.umich.edu and mmd.umich.edu, also share IP numbers with ndws.org.

Name Servers

The DNS delegation for ndws.org covers 7 name servers: dns3.umich.org, dns4.umich.org, cffw1.dns.umich.com and 4 more.

ndws.org shares at least some of its name servers with other domains, including michigan-open.org, 226.211.141.in-addr.arpa, me.itd.umich.edu and two others.

These name servers are frequently seen alongside dns2.itd.umich.edu, dns1.itd.umich.edu, adonis10-2022.umnet.umich.edu and 3 other name servers.

Host names that have two IP addresses:

dns1.itd.umich.edu maps to two IP addresses — 192.12.80.214 and 2607:f018:fffd:53::2.

dns2.itd.umich.edu maps to two IP addresses — 192.12.80.222 and 2607:f018:fffd:53::12.

Host names that point to one IP address:

dns3.umich.org points to the IP address 18.233.1.143.

dns4.umich.org points to the IP address 3.224.111.90.

cffw1.dns.umich.com points to the IP address 192.12.80.214.

adonis10-2022.umnet.umich.edu points to the IP address 141.211.147.213.

cffw2.dns.umich.net points to the IP address 192.12.80.222.

These two host names — dns1.itd.umich.edu and cffw1.dns.umich.com — each point to 192.12.80.214 IP addresses.

These two host names — dns2.itd.umich.edu and cffw2.dns.umich.net — each point to 192.12.80.222 IP addresses.

Mail Servers

The sole mail server for ndws.org is ndws-org.mail.protection.outlook.com.

With 8 IP addresses total, ndws-org.mail.protection.outlook.com resolves to 52.101.8.51, 52.101.9.0, 52.101.10.2 and 5 others.

ndws.org - robtex.com

ndws.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`ndws.org`

`org`