`docs.codecrafters.io`

CNAME	`cname.vercel-dns.com`
DNSSEC	⚠️ Not signed
A	66.33.60.193^{🇺🇸 Amazon}
		PTR	`ip-66-33-60-193.defastlink.net`
A	76.76.21.241^{🇺🇸 Amazon}
NS	`ns1.vercel-dns-3.com` ⭐
		A	2600:9000:5301:5c00::1^{🇺🇸 Amazon}
			PTR	`ns-348.awsdns-43.com`
		A	205.251.193.92^{🇺🇸 Amazon}
			PTR	`ns-348.awsdns-43.com`
NS	`ns2.vercel-dns-3.com`
		A	2600:9000:5302:9500::1^{🇺🇸 Amazon}
			PTR	`ns-661.awsdns-18.net`
		A	205.251.194.149^{🇺🇸 Amazon}
			PTR	`ns-661.awsdns-18.net`
NS	`ns3.vercel-dns-3.com`
		A	2600:9000:5305:7400::1^{🇺🇸 Amazon}
			PTR	`ns-1396.awsdns-46.org`
		A	205.251.197.116^{🇺🇸 Amazon}
			PTR	`ns-1396.awsdns-46.org`
NS	`ns4.vercel-dns-3.com`
		A	2600:9000:5307:3c00::1^{🇺🇸 Amazon}
			PTR	`ns-1852.awsdns-39.co.uk`
		A	205.251.199.60^{🇺🇸 Amazon}
			PTR	`ns-1852.awsdns-39.co.uk`
SOA	`ns1.vercel-dns-3.com`awsdns-hostmaster@amazon.com serial=1

`codecrafters.io`

	DNSSEC	⚠️ Not signed
	A	216.150.1.1^{🇨🇦 Amazon}
	NS	`ns1.digitalocean.com` ⭐
	NS	`ns2.digitalocean.com`
	NS	`ns3.digitalocean.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`1gs62vtv041dwc01vyl47dfnrwh9ywdp`
	TXT	`v=spf1 a mx include:_mailcust.gandi.net include:helpscoutemail.com include:_s...`
	TXT	`_63vxcktqxnd1e5wq1sge35orgm6cm4x`
	TXT	`google-site-verification=ZD5_bhJT0PfdQDTic8VGN1ERtYOJ8cuIXm9kQLd5NsI`
	TXT	`_iokocpg8xmbrnfgliu9fhjsi6p35cwp`
	TXT	`knbc407p0ksxmfhp97cf31qny73mgw1r`
	TXT	`ahrefs-site-verification_6cf0bd79ac88aab9989d5feb019e947510658a1e66a351928841...`
	TXT	`google-site-verification=VkEBUXig99mOlEuWre0xMpn2Ytf1rL-0_pSdXjUWdFY`
	TXT	`mailerlite-domain-verification=ac368294fbc1b085298f3a3f86425422019e7812`
	TXT	`google-site-verification=AGm60ZhZCnOeDzW--6T0Pp940BXJDapHg05sXL4Es5M`
	TXT	`stripe-verification=1089f3cde7a2c01b6dc539a915b9600104c74f456d6ffe5ed63674d51...`
	SOA	`ns1.digitalocean.com`hostmaster@codecrafters.io serial=1770779848

rank #273604 globally
rank #2109 in the tld
📈 Tranco rank: #279,634

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DNS History

1 record (1 active, 0 former)

●CNAMEcname.vercel-dns.com2026-02-17 → 2026-02-17 · 2 obs

● 2026-02-17 07:58:08
● 2026-02-17 11:44:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
codecrafters.io	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	-

✅ Authoritative Response

Server: 172.64.49.209

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codecrafters.io (unsigned zone)

⏱️ Timing

Total: 349ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`cname.vercel-dns.com`

AI analysis

docs.codecrafters.io points to two IP numbers: 66.33.60.193 and 76.76.21.241.

Other host names, for instance mgwebs.com, savagegalaxy.com, nakdine.com, www.controversial.io and www.andreasbonell.com share IP numbers with docs.codecrafters.io.

docs.codecrafters.io is delegated to four name servers: ns1.vercel-dns-3.com, ns2.vercel-dns-3.com, ns3.vercel-dns-3.com and ns4.vercel-dns-3.com.

docs.codecrafters.io at least partially shares its name servers with other domains, for instance add-lac.vercel.app, cname.vercel-dns.com, now.sh, vercel.app and vercel-dns-3.com.

Host names with two IPs: ns1.vercel-dns-3.com points to 2600:9000:5301:5c00::1 and 205.251.193.92; ns2.vercel-dns-3.com points to 2600:9000:5302:9500::1 and 205.251.194.149; ns3.vercel-dns-3.com points to 2600:9000:5305:7400::1 and 205.251.197.116; ns4.vercel-dns-3.com points to 2600:9000:5307:3c00::1 and 205.251.199.60.

docs.codecrafters.io - robtex.com