`istanbulclass.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5bb3^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:b16c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.91.179^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.108^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amber.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c040^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amber.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2040^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amber.ns.cloudflare.com`
		A	108.162.192.64^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	172.64.32.64^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	173.245.58.64^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
NS	`scott.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`scott.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`scott.ns.cloudflare.com`
		A	108.162.193.230^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	172.64.33.230^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	173.245.59.230^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.91.179, 172.67.177.108
		IPv6 hints	2606:4700:3031::6815:5bb3, 2606:4700:3033::ac43:b16c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOA	`amber.ns.cloudflare.com`dns@cloudflare.com serial=2406243214

`net`

	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=1784487857

Same first word

istanbulclass.net

DNS History

8 records (6 active, 2 former)

●NSamber.ns.cloudflare.com2026-06-12 → 2026-07-19 · 2 obs

● 2026-06-12 22:29:42
● 2026-07-19 19:05:00

●NSscott.ns.cloudflare.com2026-06-12 → 2026-07-19 · 2 obs

● 2026-06-12 22:29:42
● 2026-07-19 19:05:00

●A104.21.91.1792026-06-12 → 2026-07-19 · 2 obs

● 2026-06-12 22:29:42
● 2026-07-19 19:05:00

●A172.67.177.1082026-06-12 → 2026-07-19 · 2 obs

● 2026-06-12 22:29:42
● 2026-07-19 19:05:00

●A2606:4700:3031::6815:5bb32026-06-26 → 2026-07-19 · 3 obs

○ 2026-06-12 22:29:42
● 2026-06-26 18:57:30
● 2026-07-19 19:05:00

○A2606:4700:3032::6815:5bb32026-06-12 → 2026-06-12 · 3 obs

● 2026-06-12 22:29:42
○ 2026-06-26 18:57:30
○ 2026-07-19 19:05:00

○A2606:4700:3032::ac43:b16c2026-06-12 → 2026-06-12 · 3 obs

● 2026-06-12 22:29:42
○ 2026-06-26 18:57:30
○ 2026-07-19 19:05:00

●A2606:4700:3033::ac43:b16c2026-06-26 → 2026-07-19 · 3 obs

○ 2026-06-12 22:29:42
● 2026-06-26 18:57:30
● 2026-07-19 19:05:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
istanbulclass.net	amber.ns.cloudflare.com, scott.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.64

NS records: amber.ns.cloudflare.com, scott.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for istanbulclass.net (unsigned zone)

⏱️ Timing

Total: 776ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.177.108, 104.21.91.179`
AAAA	2	`2606:4700:3031::6815:5bb3, 2606:4700:3033::ac43:b16c`
NS	2	`amber.ns.cloudflare.com, scott.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amber.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

istanbulclass.net resolves to four IP addresses: 104.21.91.179, 172.67.177.108, 2606:4700:3031::6815:5bb3 and 2606:4700:3033::ac43:b16c.

theivycheltenhambrasserie.com, www.awxdlwbxqjnoi.online, cartuchoelx.com and two other host names share IP numbers with istanbulclass.net.

Name Servers

istanbulclass.net uses two name servers for its delegation: amber.ns.cloudflare.com and scott.ns.cloudflare.com.

istanbulclass.net uses the same name servers as several other domains — among them ecofinancecenter.com, salzanoconcrete.com, agentotomacauterbaik.com and two more.

istanbulclass.net has at least partial name server overlap with other domains, such as applianceretailer.com.au, orisbet2026.org, serveralarm.dk and two others.

It is common to see these name servers used together with name servers neil.ns.cloudflare.com and amy.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname amber.ns.cloudflare.com directs to 108.162.192.64, 172.64.32.64 and 173.245.58.64 along with 3 other IP addresses.

Hostname scott.ns.cloudflare.com directs to 108.162.193.230, 172.64.33.230 and 173.245.59.230 along with 3 other IP addresses.

istanbulclass.net - robtex.com