`collab-optimism.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:30bd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9c0c^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.48.189^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.156.12^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`josephine.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2640^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c240^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josephine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2240^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josephine.ns.cloudflare.com`
		A	108.162.194.64^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	162.159.38.64^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	172.64.34.64^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
NS	`lex.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lex.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lex.ns.cloudflare.com`
		A	108.162.193.196^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	172.64.33.196^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
		A	173.245.59.196^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lex.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.48.189, 172.67.156.12
		IPv6 hints	2606:4700:3035::6815:30bd, 2606:4700:3037::ac43:9c0c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com
SOA	`josephine.ns.cloudflare.com`dns@cloudflare.com serial=2399695883

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775154172

⚠️ On DNS blocklist: tif

Same first word

collab-optimism.com

DNS History

6 records (6 active, 0 former)

●NSjosephine.ns.cloudflare.com2026-03-05 → 2026-04-02 · 2 obs

● 2026-03-05 19:12:16
● 2026-04-02 18:41:16

●NSlex.ns.cloudflare.com2026-03-05 → 2026-04-02 · 2 obs

● 2026-03-05 19:12:16
● 2026-04-02 18:41:16

●A104.21.48.1892026-03-05 → 2026-04-02 · 2 obs

● 2026-03-05 19:12:16
● 2026-04-02 18:41:16

●A172.67.156.122026-03-05 → 2026-04-02 · 2 obs

● 2026-03-05 19:12:16
● 2026-04-02 18:41:16

●A2606:4700:3035::6815:30bd2026-03-05 → 2026-04-02 · 2 obs

● 2026-03-05 19:12:16
● 2026-04-02 18:41:16

●A2606:4700:3037::ac43:9c0c2026-03-05 → 2026-04-02 · 2 obs

● 2026-03-05 19:12:16
● 2026-04-02 18:41:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
collab-optimism.com	lex.ns.cloudflare.com, josephine.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.196

NS records: lex.ns.cloudflare.com, josephine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for collab-optimism.com (unsigned zone)

⏱️ Timing

Total: 192ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.156.12, 104.21.48.189`
AAAA	2	`2606:4700:3035::6815:30bd, 2606:4700:3037::ac43:9c0c`
NS	2	`josephine.ns.cloudflare.com, lex.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`josephine.ns.cloudflare.com dns.cloudfla`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (lex.ns.cloudflare.com, lex.ns.cloudflare.com, lex.ns.cloudflare.com...)

Analysis

IP Addresses

collab-optimism.com maps to four IP numbers: 2606:4700:3035::6815:30bd, 2606:4700:3037::ac43:9c0c, 104.21.48.189 and 172.67.156.12.

other host names include 1020.liye19960713.workers.dev, ysgood.cn, pinshangy.com, mindnestcreative.com and kceux.cn; they share IP numbers with collab-optimism.com.

Name Servers

Two name servers josephine.ns.cloudflare.com and lex.ns.cloudflare.com handle the delegation for collab-optimism.com.

collab-optimism.com shares the same name server setup as other domains, for instance nexchain.exchange, hotruyen1.com, dreamcash.run, visitclaimsol.top and informationtresvraie.com.

collab-optimism.com at least partially shares name servers with other domains, for instance strides.co, emsone.com.vn, nabox.com.br, bjtlsw.com and memoryplex.com.

These name servers are commonly used alongside ned.ns.cloudflare.com, dion.ns.cloudflare.com and aron.ns.cloudflare.com.

Six IP addresses per host:

josephine.ns.cloudflare.com points to 2606:4700:50::a29f:2640, 2803:f800:50::6ca2:c240, 2a06:98c1:50::ac40:2240, 108.162.194.64, 162.159.38.64 and 172.64.34.64; lex.ns.cloudflare.com points to 2606:4700:58::adf5:3bc4, 2803:f800:50::6ca2:c1c4, 2a06:98c1:50::ac40:21c4, 108.162.193.196, 172.64.33.196 and 173.245.59.196

collab-optimism.com - robtex.com