`21x.eu`

DNSSEC	⚠️ Not signed
A	3.126.151.38^{🇩🇪 Amazon3.124.0.0/14 EC2 FRA prefix}
		PTR	`ec2-3-126-151-38.eu-central-1.compute.amazonaws.com`
A	63.178.104.88^{🇩🇪 Amazon63.176.0.0/14 EC2 FRA Prefix}
A	63.183.18.105^{🇺🇸 Amazon63.180.0.0/14 EC2 FRA Prefix}
NS	`ns-1358.awsdns-41.org` ⭐
		A	2600:9000:5305:4e00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1358.awsdns-41.org`
		A	205.251.197.78^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1358.awsdns-41.org`
NS	`ns-1736.awsdns-25.co.uk`
		A	2600:9000:5306:c800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1736.awsdns-25.co.uk`
		A	205.251.198.200^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1736.awsdns-25.co.uk`
NS	`ns-274.awsdns-34.com`
		A	2600:9000:5301:1200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-274.awsdns-34.com`
		A	205.251.193.18^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-274.awsdns-34.com`
NS	`ns-659.awsdns-18.net`
		A	2600:9000:5302:9300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-659.awsdns-18.net`
		A	205.251.194.147^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-659.awsdns-18.net`
MX	`21x-eu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca27::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::1^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::2^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
		A	52.101.168.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	52.101.170.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	52.101.170.1^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	52.101.170.2^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
TXT	`2a68ede9-e328-4633-8363-c90262077e02=3b6db915287c27d84c210b0d26cf6976a00513fc...`
TXT	`3333e659-2faa-4821-8e0e-6d8932abd696=3b6db915287c27d84c210b0d26cf6976a00513fc...`
TXT	`MS=ms13976709`
TXT	`apple-domain-verification=Fdayf40FuTm27JqF`
TXT	`atlassian-domain-verification=X2XdcJ7UPBx5ED9v5hieIc7GZmMJWjDiaPvsaaSBEC/Dzg5...`
TXT	`figma-domain-verification=47c6ddc0306d7a57bce6ebde3191ae71c450bc2561ff7c7dacb...`
TXT	`mistral-domain-verification=e4cc1899ffb82ff66a8ea5c020e15d2f2c3bbf0b`
TXT	`proxy-ssl.webflow.com`
TXT	`slack-domain-verification=cDX0zFPJmgtD3HYYowxgEXzyyKjAwP2aXtzphZNl`
TXT	`v=spf1 include:spf.protection.outlook.com include:146016023.spf10.hubspotemai...`
TXT	`zone-ownership-verification-432035806ff6519ed45b504693b68d1102113f4175beb4d44...`
SOA	`ns-1358.awsdns-41.org`awsdns-hostmaster@amazon.com serial=1

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1122531481

Same first word

21x.net

21x.cn

21x.co

21x.com

21x.org

21x.xyz

21x.eu

21x.at

21x.nl

Similar names

2x1.us

2x1.com

x21.net

12x.co

1x2.tv

12x.xyz

1x2.com

1x2.biz

x21.cc

2x1.mobi

1x2.co

12x.org

1x2.click

x12.ch

1x2.com.br

12x.eu

1x2.co.uk

12x.no

12x.ch

1x2.es

12x.de

2x1.cl

1x2.fi

1x2.no

1x2.sk

1x2.site

x21.org

x21.com.br

1x2.pl

1x2.zone

12x.bet

12x.at

2x1.ir

2x1.co

x21.us

1x2.space

12x.com

1x2.al

x21.at

2x1.mx

x12.net

2x1.pizza

x12.com

1x2.lol

x21.org.uk

x12.dk

1x2.football

2x1.gratis

x12.org

x21.mobi

1x2.app

x12.us

2x1.ru

x21.ch

x12.tech

1x2.us

1x2.org

12x.gr

1x2.de

12x.nl

2x1.de

x12.de

1x2.su

1x2.in

1x2.se

1x2.is

x12.se

1x2.bg

12x.net

x21.de

1x2.eu

x21.com

2x1.net

x12.pl

1x2.pt

1x2.hu

x12.me

1x2.fr

x21.biz

x21.ru

1x2.tips

DNS History

18 records (8 active, 10 former)

●NSns-1358.awsdns-41.org2026-02-18 → 2026-03-23 · 3 obs

○ 2020-03-08 21:43:12
● 2026-02-18 15:26:22
● 2026-03-23 00:00:10

●NSns-1736.awsdns-25.co.uk2026-02-18 → 2026-03-23 · 3 obs

○ 2020-03-08 21:43:12
● 2026-02-18 15:26:22
● 2026-03-23 00:00:10

●NSns-274.awsdns-34.com2026-02-18 → 2026-03-23 · 3 obs

○ 2020-03-08 21:43:12
● 2026-02-18 15:26:22
● 2026-03-23 00:00:10

●NSns-659.awsdns-18.net2026-02-18 → 2026-03-23 · 3 obs

○ 2020-03-08 21:43:12
● 2026-02-18 15:26:22
● 2026-03-23 00:00:10

○NSns7.schlund.de2015-08-28 → 2016-10-14 · 4 obs

● 2015-08-28 16:50:14
● 2016-10-14 12:27:28
○ 2020-03-08 21:43:12
○ 2026-03-23 00:00:10

○NSns8.schlund.de2015-08-28 → 2016-10-14 · 4 obs

● 2015-08-28 16:50:14
● 2016-10-14 12:27:28
○ 2020-03-08 21:43:12
○ 2026-03-23 00:00:10

●MX21x-eu.mail.protection.outlook.com2026-02-18 → 2026-03-23 · 3 obs

○ 2020-03-08 21:43:12
● 2026-02-18 15:26:22
● 2026-03-23 00:00:10

○MXmx0.gmx.de2015-08-28 → 2016-10-14 · 4 obs

● 2015-08-28 16:50:14
● 2016-10-14 12:27:28
○ 2020-03-08 21:43:12
○ 2026-03-23 00:00:10

○MXmx0.gmx.net2015-08-28 → 2016-10-14 · 4 obs

● 2015-08-28 16:50:14
● 2016-10-14 12:27:28
○ 2020-03-08 21:43:12
○ 2026-03-23 00:00:10

●A3.126.151.382026-03-23 → 2026-03-23 · 2 obs

○ 2026-03-04 16:53:02
● 2026-03-23 00:00:10

○A3.126.35.2372026-02-18 → 2026-02-22 · 5 obs

○ 2020-03-08 21:43:12
● 2026-02-18 15:26:22
● 2026-02-22 16:54:28
○ 2026-03-04 16:53:02
○ 2026-03-23 00:00:10

○A3.69.201.1722026-03-04 → 2026-03-04 · 3 obs

○ 2026-02-22 16:54:28
● 2026-03-04 16:53:02
○ 2026-03-23 00:00:10

○A3.76.18.1362026-02-18 → 2026-02-22 · 5 obs

○ 2020-03-08 21:43:12
● 2026-02-18 15:26:22
● 2026-02-22 16:54:28
○ 2026-03-04 16:53:02
○ 2026-03-23 00:00:10

○A52.57.60.1932026-02-18 → 2026-03-04 · 4 obs

○ 2020-03-08 21:43:12
● 2026-02-18 15:26:22
● 2026-03-04 16:53:02
○ 2026-03-23 00:00:10

●A63.178.104.882026-03-23 → 2026-03-23 · 2 obs

○ 2026-03-04 16:53:02
● 2026-03-23 00:00:10

○A63.181.181.1762026-03-04 → 2026-03-04 · 3 obs

○ 2026-02-22 16:54:28
● 2026-03-04 16:53:02
○ 2026-03-23 00:00:10

●A63.183.18.1052026-03-23 → 2026-03-23 · 2 obs

○ 2026-03-04 16:53:02
● 2026-03-23 00:00:10

○A82.165.58.492015-08-28 → 2016-10-14 · 4 obs

● 2015-08-28 16:50:14
● 2016-10-14 12:27:28
○ 2020-03-08 21:43:12
○ 2026-03-23 00:00:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	be.dns.eu, x.dns.eu, si.dns.eu, w.dns.eu...	-
21x.eu	ns-274.awsdns-34.com, ns-659.awsdns-18.net, ns-1358.awsdns-41.org, ns-1736.awsdns-25.co.uk	-

✅ Authoritative Response

Server:205.251.193.18

NS records: ns-274.awsdns-34.com, ns-659.awsdns-18.net, ns-1358.awsdns-41.org, ns-1736.awsdns-25.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21x.eu (unsigned zone)

⏱️ Timing

Total: 803ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`63.183.18.105, 3.126.151.38...`
NS	4	`ns-1358.awsdns-41.org, ns-1736.awsdns-25.co.uk...`
MX	1	`21x-eu.mail.protection.outlook.com (pri:`
TXT	11	`2a68ede9-e328-4633-8363-c90262077e02=3b6, 3333e659-2faa-4821-8e0e-6d8932abd696=3b6...`
SOA	1	`ns-1358.awsdns-41.org awsdns-hostmaster.`

Analysis

IP Addresses

21x.eu points to three IPs: 3.126.151.38, 63.178.104.88 and 63.183.18.105.

Other host names, for instance ec2-3-126-151-38.eu-central-1.compute.amazonaws.com, share IP numbers with 21x.eu.

Name Servers

21x.eu is delegated to four name servers: ns-274.awsdns-34.com, ns-659.awsdns-18.net, ns-1358.awsdns-41.org and ns-1736.awsdns-25.co.uk.

21x.eu at least partially shares name servers with other domains, for instance cropbytes.com, shg.io, remitly.be, csapprentice.com and diningclubgroup.co.uk.

Host names with two IP numbers:

ns-274.awsdns-34.com points to 2600:9000:5301:1200::1 and 205.251.193.18; ns-659.awsdns-18.net points to 2600:9000:5302:9300::1 and 205.251.194.147; ns-1358.awsdns-41.org points to 2600:9000:5305:4e00::1 and 205.251.197.78; ns-1736.awsdns-25.co.uk points to 2600:9000:5306:c800::1 and 205.251.198.200.

Mail Servers

21x.eu is handled by a single mail server, 21x-eu.mail.protection.outlook.com.

Host 21x-eu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.

21x.eu - robtex.com

21x.eu

eu

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`21x.eu`

`eu`