`e2b-docs.dev`

DNSSEC	⚠️ Not signed
A	66.33.60.35^{🇺🇸 Amazon66.33.60.0/24 EC2 Prefix}
A	76.76.21.123^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`clay.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b58^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c158^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2158^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clay.ns.cloudflare.com`
		A	108.162.193.88^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clay.ns.cloudflare.com`
		A	172.64.33.88^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clay.ns.cloudflare.com`
		A	173.245.59.88^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clay.ns.cloudflare.com`
NS	`stephane.ns.cloudflare.com`
		A	2606:4700:50::a29f:2670^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c270^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stephane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2270^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stephane.ns.cloudflare.com`
		A	108.162.194.112^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	162.159.38.112^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	172.64.34.112^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
SOA	`clay.ns.cloudflare.com`dns@cloudflare.com serial=2396366313

`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

e2b-docs.dev

DNS History

14 records (4 active, 10 former)

●NSclay.ns.cloudflare.com2026-03-07 → 2026-03-25 · 2 obs

● 2026-03-07 03:50:10
● 2026-03-25 16:21:12

●NSstephane.ns.cloudflare.com2026-03-07 → 2026-03-25 · 2 obs

● 2026-03-07 03:50:10
● 2026-03-25 16:21:12

○A66.33.60.1292026-03-07 → 2026-03-08 · 6 obs

● 2026-03-07 03:50:10
○ 2026-03-07 09:12:12
○ 2026-03-08 06:56:22
● 2026-03-08 09:00:02
○ 2026-03-08 10:45:12
○ 2026-03-25 16:21:12

○A66.33.60.1942026-03-07 → 2026-03-08 · 7 obs

○ 2026-03-07 17:51:34
● 2026-03-07 23:01:54
○ 2026-03-07 23:34:28
● 2026-03-08 04:02:40
● 2026-03-08 06:56:22
○ 2026-03-08 09:00:02
○ 2026-03-25 16:21:12

○A66.33.60.342026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-07 09:12:12
● 2026-03-07 17:51:34
○ 2026-03-07 23:01:54
○ 2026-03-25 16:21:12

●A66.33.60.352026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-08 10:45:12
● 2026-03-25 16:21:12

○A66.33.60.662026-03-08 → 2026-03-08 · 3 obs

○ 2026-03-08 09:00:02
● 2026-03-08 10:45:12
○ 2026-03-25 16:21:12

○A66.33.60.672026-03-07 → 2026-03-07 · 7 obs

○ 2026-03-07 03:50:10
● 2026-03-07 09:12:12
○ 2026-03-07 17:51:34
○ 2026-03-07 23:01:54
● 2026-03-07 23:34:28
○ 2026-03-08 04:02:40
○ 2026-03-25 16:21:12

●A76.76.21.1232026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-08 10:45:12
● 2026-03-25 16:21:12

○A76.76.21.1422026-03-08 → 2026-03-08 · 3 obs

○ 2026-03-08 09:00:02
● 2026-03-08 10:45:12
○ 2026-03-25 16:21:12

○A76.76.21.1642026-03-07 → 2026-03-07 · 4 obs

○ 2026-03-07 09:12:12
● 2026-03-07 17:51:34
○ 2026-03-07 23:01:54
○ 2026-03-25 16:21:12

○A76.76.21.222026-03-07 → 2026-03-08 · 6 obs

● 2026-03-07 03:50:10
○ 2026-03-07 09:12:12
○ 2026-03-08 06:56:22
● 2026-03-08 09:00:02
○ 2026-03-08 10:45:12
○ 2026-03-25 16:21:12

○A76.76.21.932026-03-07 → 2026-03-08 · 7 obs

○ 2026-03-07 17:51:34
● 2026-03-07 23:01:54
○ 2026-03-07 23:34:28
● 2026-03-08 04:02:40
● 2026-03-08 06:56:22
○ 2026-03-08 09:00:02
○ 2026-03-25 16:21:12

○A76.76.21.982026-03-07 → 2026-03-07 · 7 obs

○ 2026-03-07 03:50:10
● 2026-03-07 09:12:12
○ 2026-03-07 17:51:34
○ 2026-03-07 23:01:54
● 2026-03-07 23:34:28
○ 2026-03-08 04:02:40
○ 2026-03-25 16:21:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
e2b-docs.dev	stephane.ns.cloudflare.com, clay.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.88

NS records: stephane.ns.cloudflare.com, clay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for e2b-docs.dev (unsigned zone)

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`66.33.60.35, 76.76.21.123`
NS	2	`clay.ns.cloudflare.com, stephane.ns.cloudflare.com`
SOA	1	`clay.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

e2b-docs.dev points to two IPs: 66.33.60.35 and 76.76.21.123.

Other host names including www.e2saglik.com, jiro.dev, ui.aceternity.com, t3.chat and www.candor.co share IP numbers with e2b-docs.dev.

Name Servers

e2b-docs.dev's delegation uses two name servers, clay.ns.cloudflare.com and stephane.ns.cloudflare.com.

e2b-docs.dev shares the same name server setup as other domains, for example 06252.in.ua, e2b.app, jobsitecodes.com, caffeinesalon.com and plustech.com.

e2b-docs.dev at least partially shares name servers with other domains, including lumecohq.shop, bohswelldrilling.com, movingmakeover.com, northyorks.co.uk and secureliving.co.uk.

These name servers are often used together with ulla.ns.cloudflare.com.

Host names with six IP numbers:

clay.ns.cloudflare.com points to: 2606:4700:58::adf5:3b58, 2803:f800:50::6ca2:c158, 2a06:98c1:50::ac40:2158, 108.162.193.88, 172.64.33.88 and 173.245.59.88.

stephane.ns.cloudflare.com points to: 2606:4700:50::a29f:2670, 2803:f800:50::6ca2:c270, 2a06:98c1:50::ac40:2270, 108.162.194.112, 162.159.38.112 and 172.64.34.112.

e2b-docs.dev - robtex.com

e2b-docs.dev

dev