🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`codeyellow.dev`

DNSSEC	⚠️ Not signed
A	18.161.21.38^{🇺🇸 Amazon18.161.16.0/21}
		PTR	`server-18-161-21-38.bos50.r.cloudfront.net`
A	18.161.21.41^{🇺🇸 Amazon18.161.16.0/21}
A	18.161.21.44^{🇺🇸 Amazon18.161.16.0/21}
A	18.161.21.112^{🇺🇸 Amazon18.161.16.0/21}
NS	`ns-526.awsdns-01.net` ⭐
		A	2600:9000:5302:e00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-526.awsdns-01.net`
		A	205.251.194.14^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-526.awsdns-01.net`
NS	`ns-105.awsdns-13.com`
		A	2600:9000:5300:6900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-105.awsdns-13.com`
		A	205.251.192.105^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-105.awsdns-13.com`
NS	`ns-1405.awsdns-47.org`
		A	2600:9000:5305:7d00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1405.awsdns-47.org`
		A	205.251.197.125^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1405.awsdns-47.org`
NS	`ns-1991.awsdns-56.co.uk`
		A	2600:9000:5307:c700::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1991.awsdns-56.co.uk`
		A	205.251.199.199^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1991.awsdns-56.co.uk`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:2009::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yuphxer-in-f26.1e100.net`
		A	2607:f8b0:4023:2009::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yuphxer-in-f27.1e100.net`
		A	2607:f8b0:4023:200b::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yuphxej-in-f26.1e100.net`
		A	2607:f8b0:4023:200b::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yuphxej-in-f27.1e100.net`
		A	142.251.181.27^{🇺🇸 Google142.251.181.0/24}
			PTR	`lcphxp-in-f27.1e100.net`
		A	192.178.164.26^{🇺🇸 Google192.178.164.0/24}
			PTR	`yuphxer-in-f26.1e100.net`
		A	192.178.164.27^{🇺🇸 Google192.178.164.0/24}
			PTR	`yuphxer-in-f27.1e100.net`
		A	192.178.231.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`yuphxrp-in-f26.1e100.net`
		A	192.178.231.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`yuphxrp-in-f27.1e100.net`
MX	`t6uplichnli5oup23wpb4a2hqtnvv2sz2ovdmsfpynpkirgcgaoa.mx-verification.google.com`⁽¹⁵⁾
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-526.awsdns-01.net`awsdns-hostmaster@amazon.com serial=1

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

codeyellow.org

codeyellow.training

codeyellow.ai

codeyellow.tech

codeyellow.nl

codeyellow.xyz

codeyellow.co

codeyellow.com

codeyellow.dev

codeyellow.pl

codeyellow.myshopify.com

codeyellow.co.in

Similar names

yellowcode.nl

woodeyellc.com

yellowcode.com.br

yellowcode.co

yellowcode.co.jp

yellowcode.fr

yellowdeco.com

yellowcode.dev

yellowcode.pl

yellowcode.de

yellowcode.ru

Previous names

Next names

DNS History

14 records (10 active, 4 former)

●NSns-105.awsdns-13.com2026-11-03 → 2026-11-06 · 2 obs

● 2026-11-03 05:53:34
● 2026-11-06 21:28:26

●NSns-1405.awsdns-47.org2026-11-03 → 2026-11-06 · 2 obs

● 2026-11-03 05:53:34
● 2026-11-06 21:28:26

●NSns-1991.awsdns-56.co.uk2026-11-03 → 2026-11-06 · 2 obs

● 2026-11-03 05:53:34
● 2026-11-06 21:28:26

●NSns-526.awsdns-01.net2026-11-03 → 2026-11-06 · 2 obs

● 2026-11-03 05:53:34
● 2026-11-06 21:28:26

●MXsmtp.google.com2026-11-03 → 2026-11-06 · 2 obs

● 2026-11-03 05:53:34
● 2026-11-06 21:28:26

●MXt6uplichnli5oup23wpb4a2hqtnvv2sz2ovdmsfpynpkirgcgaoa.mx-verification.google.com2026-11-03 → 2026-11-06 · 2 obs

● 2026-11-03 05:53:34
● 2026-11-06 21:28:26

●A18.161.21.1122026-11-06 → 2026-11-06 · 3 obs

○ 2026-11-03 05:53:34
● 2026-11-06 21:28:22
● 2026-11-06 21:28:26

●A18.161.21.382026-11-06 → 2026-11-06 · 3 obs

○ 2026-11-03 05:53:34
● 2026-11-06 21:28:22
● 2026-11-06 21:28:26

●A18.161.21.412026-11-06 → 2026-11-06 · 3 obs

○ 2026-11-03 05:53:34
● 2026-11-06 21:28:22
● 2026-11-06 21:28:26

●A18.161.21.442026-11-06 → 2026-11-06 · 3 obs

○ 2026-11-03 05:53:34
● 2026-11-06 21:28:22
● 2026-11-06 21:28:26

○A3.174.255.1122026-11-03 → 2026-11-03 · 3 obs

● 2026-11-03 05:53:34
○ 2026-11-06 21:28:22
○ 2026-11-06 21:28:26

○A3.174.255.1172026-11-03 → 2026-11-03 · 3 obs

● 2026-11-03 05:53:34
○ 2026-11-06 21:28:22
○ 2026-11-06 21:28:26

○A3.174.255.42026-11-03 → 2026-11-03 · 3 obs

● 2026-11-03 05:53:34
○ 2026-11-06 21:28:22
○ 2026-11-06 21:28:26

○A3.174.255.962026-11-03 → 2026-11-03 · 3 obs

● 2026-11-03 05:53:34
○ 2026-11-06 21:28:22
○ 2026-11-06 21:28:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
codeyellow.dev	ns-526.awsdns-01.net, ns-105.awsdns-13.com, ns-1991.awsdns-56.co.uk, ns-1405.awsdns-47.org	-

✅ Authoritative Response

Server:205.251.194.14

NS records: ns-526.awsdns-01.net, ns-105.awsdns-13.com, ns-1991.awsdns-56.co.uk, ns-1405.awsdns-47.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeyellow.dev (unsigned zone)

⏱️ Timing

Total: 1756ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.161.21.41, 18.161.21.38...`
NS	4	`ns-105.awsdns-13.com, ns-1405.awsdns-47.org...`
MX	2	`smtp.google.com (pri: 1), t6uplichnli5oup23wpb4a2hqtnvv2sz2ovdmsfp`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns-526.awsdns-01.net awsdns-hostmaster.a`

Analysis

IP Addresses

codeyellow.dev points to the four IP addresses 18.161.21.38, 18.161.21.41, 18.161.21.44 and 18.161.21.112.

Name Servers

The authoritative name servers for codeyellow.dev are ns-105.awsdns-13.com, ns-526.awsdns-01.net, ns-1405.awsdns-47.org and ns-1991.awsdns-56.co.uk.

There is at least partial name server overlap between codeyellow.dev and other domains — c(0x666170)lanetechef.fr, xc69v1.com, acaraweb.it and two more among them.

The name servers ns-158.awsdns-19.com, ns-661.awsdns-18.net and ns-1217.awsdns-24.org are often found in combination with these name servers.

All four hostnames — ns-105.awsdns-13.com, ns-526.awsdns-01.net, ns-1405.awsdns-47.org and ns-1991.awsdns-56.co.uk — resolve to two IP numbers apiece: ns-105.awsdns-13.com to 205.251.192.105 and 2600:9000:5300:6900::1; ns-526.awsdns-01.net to 205.251.194.14 and 2600:9000:5302:e00::1; ns-1405.awsdns-47.org to 205.251.197.125 and 2600:9000:5305:7d00::1; ns-1991.awsdns-56.co.uk to 205.251.199.199 and 2600:9000:5307:c700::1.

Mail Servers

Mail for codeyellow.dev is handled by two mail servers — smtp.google.com and t6uplichnli5oup23wpb4a2hqtnvv2sz2ovdmsfpynpkirgcgaoa.mx-verification.google.com.

codeyellow.dev has at least partial mail server overlap with other domains such as barel.ai, webstafflysolutions.com, basalthq.com and two more.

Hostnames that resolve to 9 IP addresses:

Hostname smtp.google.com directs to 142.251.181.27, 192.178.164.26 and 192.178.164.27 along with 6 other IP addresses.

codeyellow.dev - robtex.com

codeyellow.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`codeyellow.dev`

`dev`