null.codesandbox.io - dns.ninja

`null.codesandbox.io`

DNSSEC	⚠️ Not signed
A	2a06:98c1:3105::ac40:90f7^{🇺🇸 Cloudflare2a06:98c1:3105::/48} ✓ In HTTPS hints
A	2a06:98c1:3106::6812:2b09^{🇺🇸 Cloudflare2a06:98c1:3106::/48} ✓ In HTTPS hints
A	104.18.43.9^{Cloudflare104.18.43.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.144.247^{🇺🇸 Cloudflare172.64.144.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.43.9, 172.64.144.247
		IPv6 hints	2a06:98c1:3105::ac40:90f7, 2a06:98c1:3106::6812:2b09

`codesandbox.io`

DNSSEC	⚠️ Not signed
A	2a06:98c1:3105::ac40:90f7^{🇺🇸 Cloudflare2a06:98c1:3105::/48} ✓ In HTTPS hints
A	2a06:98c1:3106::6812:2b09^{🇺🇸 Cloudflare2a06:98c1:3106::/48} ✓ In HTTPS hints
A	104.18.43.9^{Cloudflare104.18.43.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.144.247^{🇺🇸 Cloudflare172.64.144.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adel.ns.cloudflare.com` ⭐
NS	`greg.ns.cloudflare.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	`F324B508E9`
TXT	`google-site-verification=Hlei(0x666150)PjTRtPQdvU3CPX_v-ILWa7hrmpWS8E5vRDIw`
TXT	`google-site-verification=iRJ8V6RAGqoNfFwiuPPdHkg_t4lLooctR2kaqzr6xIw`
TXT	`v=spf1 include:mailgun.org include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.43.9, 172.64.144.247
		IPv6 hints	2a06:98c1:3105::ac40:90f7, 2a06:98c1:3106::6812:2b09
SOA	`adel.ns.cloudflare.com`dns@cloudflare.com serial=2412002364

WOT: UNKNOWN (60/100)
rank #8345 globally
rank #88 in the tld

codesandbox.io

CodeSandbox is an online cloud development platform and code editor that allows users to write, collaborate on, and share web applications directly from a browser. It is operated by Together AI.

Key facts

Owner / operator: Together AI
TLD:.io— British Indian Ocean Territory
Primary purpose: Online code editor and cloud development platform
Status: active

History

Year	Event
2017	CodeSandbox was launched by Ives van Hoorne and Bas Buursma.
2019	CodeSandbox raised a $2.4 million seed funding round.
2020	CodeSandbox raised a $12.7 million Series A funding round led by EQT Ventures.
2024	CodeSandbox was acquired by Together AI.

Related domains

csb.app— Dedicated security-isolated domain used for hosting live sandbox previews.
codesandbox.com— Brand portfolio domain that redirects to the primarycodesandbox.iodomain.

WOT: SAFE (60/100)
📈 Tranco rank: #25,823

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DNS History

6 records (4 active, 2 former)

●A104.18.43.92026-06-27 → 2026-08-12 · 14 obs

● 2026-06-27 16:14:08
○ 2026-07-01 16:09:50
● 2026-07-02 07:31:40
○ 2026-07-18 21:48:02
● 2026-07-19 06:17:02
○ 2026-07-20 20:40:36
● 2026-07-21 01:22:00
○ 2026-07-22 19:11:50
● 2026-07-23 07:14:10
○ 2026-08-04 00:09:48
● 2026-08-04 04:28:54
○ 2026-08-10 06:03:42
● 2026-08-10 06:34:36
● 2026-08-12 11:11:48

●A172.64.144.2472026-06-27 → 2026-08-12 · 14 obs

○A2a06:98c1:3103::ac40:90f72026-06-27 → 2026-07-02 · 5 obs

● 2026-06-27 16:14:08
○ 2026-07-01 16:09:50
● 2026-07-02 07:31:40
○ 2026-07-08 19:58:02
○ 2026-08-12 11:11:48

●A2a06:98c1:3105::ac40:90f72026-07-08 → 2026-08-12 · 13 obs

○ 2026-07-02 07:31:40
● 2026-07-08 19:58:02
○ 2026-07-18 21:48:02
● 2026-07-19 06:17:02
○ 2026-07-20 20:40:36
● 2026-07-21 01:22:00
○ 2026-07-22 19:11:50
● 2026-07-23 07:14:10
○ 2026-08-04 00:09:48
● 2026-08-04 04:28:54
○ 2026-08-10 06:03:42
● 2026-08-10 06:34:36
● 2026-08-12 11:11:48

●A2a06:98c1:3106::6812:2b092026-07-08 → 2026-08-12 · 13 obs

○A2a06:98c1:310a::6812:2b092026-06-27 → 2026-07-02 · 5 obs

● 2026-06-27 16:14:08
○ 2026-07-01 16:09:50
● 2026-07-02 07:31:40
○ 2026-07-08 19:58:02
○ 2026-08-12 11:11:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io	-
codesandbox.io	adel.ns.cloudflare.com, greg.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.55

NS records: adel.ns.cloudflare.com, greg.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codesandbox.io (unsigned zone)

⏱️ Timing

Total: 345ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.64.144.247, 104.18.43.9`
AAAA	2	`2a06:98c1:3106::6812:2b09, 2a06:98c1:3105::ac40:90f7`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

null.codesandbox.io points to the four IP addresses 104.18.43.9, 172.64.144.247, 2a06:98c1:3105::ac40:90f7 and 2a06:98c1:3106::6812:2b09.

Two other host names, along with 1iyemi.codesandbox.io, 03vhot.codesandbox.io and 2w4gc.codesandbox.io, also share IP numbers with null.codesandbox.io.