`explore-openapi.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:28b2^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9bc2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.178^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.194^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anastasia.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26e3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anastasia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anastasia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anastasia.ns.cloudflare.com`
		A	108.162.194.227^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anastasia.ns.cloudflare.com`
		A	162.159.38.227^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anastasia.ns.cloudflare.com`
		A	172.64.34.227^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anastasia.ns.cloudflare.com`
NS	`otto.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c387^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`otto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2387^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`otto.ns.cloudflare.com`
		A	108.162.195.135^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	162.159.44.135^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	172.64.35.135^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.178, 172.67.155.194
		IPv6 hints	2606:4700:3030::6815:28b2, 2606:4700:3033::ac43:9bc2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOA	`anastasia.ns.cloudflare.com`dns@cloudflare.com serial=2411066839

`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

explore-openapi.dev

DNS History

9 records (6 active, 3 former)

●NSanastasia.ns.cloudflare.com2026-03-26 → 2026-08-10 · 2 obs

● 2026-03-26 23:52:58
● 2026-08-10 14:34:36

●NSotto.ns.cloudflare.com2026-03-26 → 2026-08-10 · 2 obs

● 2026-03-26 23:52:58
● 2026-08-10 14:34:36

●A104.21.40.1782026-03-26 → 2026-08-10 · 2 obs

● 2026-03-26 23:52:58
● 2026-08-10 14:34:36

○A172.64.80.12026-03-26 → 2026-08-10 · 2 obs

○ 2026-03-26 23:52:58
○ 2026-08-10 14:34:36

●A172.67.155.1942026-03-26 → 2026-08-10 · 2 obs

● 2026-03-26 23:52:58
● 2026-08-10 14:34:36

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-26 → 2026-08-10 · 2 obs

○ 2026-03-26 23:52:58
○ 2026-08-10 14:34:36

●A2606:4700:3030::6815:28b22026-08-10 → 2026-08-10 · 3 obs

○ 2026-03-26 23:52:58
● 2026-08-10 11:09:42
● 2026-08-10 14:34:36

●A2606:4700:3033::ac43:9bc22026-03-26 → 2026-08-10 · 2 obs

● 2026-03-26 23:52:58
● 2026-08-10 14:34:36

○A2606:4700:3034::6815:28b22026-03-26 → 2026-03-26 · 3 obs

● 2026-03-26 23:52:58
○ 2026-08-10 11:09:42
○ 2026-08-10 14:34:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
explore-openapi.dev	otto.ns.cloudflare.com, anastasia.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.135

NS records: otto.ns.cloudflare.com, anastasia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for explore-openapi.dev (unsigned zone)

⏱️ Timing

Total: 206ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.40.178, 172.67.155.194`
AAAA	2	`2606:4700:3030::6815:28b2, 2606:4700:3033::ac43:9bc2`
NS	2	`anastasia.ns.cloudflare.com, otto.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anastasia.ns.cloudflare.com dns.cloudfla`

Analysis

IP Addresses

explore-openapi.dev directs to four IP numbers, which are 104.21.40.178, 172.67.155.194, 2606:4700:3030::6815:28b2 and 2606:4700:3033::ac43:9bc2.

Two other host names, along with vdha.org, ns1.hellottec.com and 2636576c.com, also share IP numbers with explore-openapi.dev.

Name Servers

explore-openapi.dev is served by two delegated name servers, anastasia.ns.cloudflare.com and otto.ns.cloudflare.com.

explore-openapi.dev shares its NS records with other domains, for example marketingcherry.com, askcable.lk, ea-st.com and two others.

There is at least partial name server overlap between explore-openapi.dev and other domains — mm88big.com, tuev-hofheim.de, alphanest.it and two more among them.

These name servers frequently co-occur with the name servers lilyana.ns.cloudflare.com and yichun.ns.cloudflare.com.

DNS names with 6 IP addresses:

anastasia.ns.cloudflare.com carries IP addresses 108.162.194.227, 162.159.38.227 and 172.64.34.227, with 3 other addresses beyond those.

otto.ns.cloudflare.com carries IP addresses 108.162.195.135, 162.159.44.135 and 172.64.35.135, with 3 other addresses beyond those.

explore-openapi.dev - robtex.com