`preview-coinbase.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:9bcc^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:48de^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.222^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.204^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`marek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
NS	`meera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meera.ns.cloudflare.com`
		A	108.162.192.195^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
		A	172.64.32.195^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
		A	173.245.58.195^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meera.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.222, 172.67.155.204
		IPv6 hints	2606:4700:3031::ac43:9bcc, 2606:4700:3033::6815:48de
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=104, name=cloudflare-ech.com
SOA	`marek.ns.cloudflare.com`dns@cloudflare.com serial=2400214253

`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=1775205177

⚠️ On DNS blocklist: tif

Same first word

preview-coinbase.com

DNS History

6 records (6 active, 0 former)

●NSmarek.ns.cloudflare.com2026-03-31 → 2026-04-03 · 2 obs

● 2026-03-31 21:34:14
● 2026-04-03 08:36:18

●NSmeera.ns.cloudflare.com2026-03-31 → 2026-04-03 · 2 obs

● 2026-03-31 21:34:14
● 2026-04-03 08:36:18

●A104.21.72.2222026-03-31 → 2026-04-03 · 2 obs

● 2026-03-31 21:34:14
● 2026-04-03 08:36:18

●A172.67.155.2042026-03-31 → 2026-04-03 · 2 obs

● 2026-03-31 21:34:14
● 2026-04-03 08:36:18

●A2606:4700:3031::ac43:9bcc2026-03-31 → 2026-04-03 · 2 obs

● 2026-03-31 21:34:14
● 2026-04-03 08:36:18

●A2606:4700:3033::6815:48de2026-03-31 → 2026-04-03 · 2 obs

● 2026-03-31 21:34:14
● 2026-04-03 08:36:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net...	-
preview-coinbase.com	marek.ns.cloudflare.com, meera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.195

NS records: marek.ns.cloudflare.com, meera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for preview-coinbase.com (unsigned zone)

⏱️ Timing

Total: 108ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.72.222, 172.67.155.204`
AAAA	2	`2606:4700:3031::ac43:9bcc, 2606:4700:3033::6815:48de`
NS	2	`marek.ns.cloudflare.com, meera.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`marek.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

preview-coinbase.com maps to four IP numbers: 2606:4700:3031::ac43:9bcc, 2606:4700:3033::6815:48de, 104.21.72.222 and 172.67.155.204.

Other host names such as jpjholdings.com, crystalslotsonline.com, remaenergy.com, teerle.cn and www.12monthsloansbadcredit.com share IPs with preview-coinbase.com.

Name Servers

Two name servers marek.ns.cloudflare.com and meera.ns.cloudflare.com handle the delegation for preview-coinbase.com.

preview-coinbase.com shares the same name server setup as other domains, for example semxp.com, tscmt.com, uuknot.com, anbbaby.com and zjkws.com.

preview-coinbase.com at least partially shares name servers with other domains, for example mono-slope.com, boxpet.com.br, getquickinsurancerates.com, jugglingwholesale.eu and diclegis.com.

These name servers are commonly used with ian.ns.cloudflare.com and meg.ns.cloudflare.com and anna.ns.cloudflare.com.

Host names with six IP numbers:

marek.ns.cloudflare.com points to 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.

meera.ns.cloudflare.com points to 2606:4700:50::adf5:3ac3, 2803:f800:50::6ca2:c0c3, 2a06:98c1:50::ac40:20c3, 108.162.192.195, 172.64.32.195 and 173.245.58.195.

preview-coinbase.com - robtex.com