ql.app - dns.ninja

`ql.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4a04^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:c238^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.74.4^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.194.56^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c065^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2065^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amy.ns.cloudflare.com`
		A	108.162.192.101^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	172.64.32.101^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
		A	173.245.58.101^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amy.ns.cloudflare.com`
NS	`frank.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`frank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`frank.ns.cloudflare.com`
		A	108.162.193.166^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	172.64.33.166^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	173.245.59.166^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
TXT	`google-site-verification=gLyQBUt0qQpSPa2mjjf6KCXe0WLBMrsggakid9OvpgY`
TXT	`zoom-domain-verification=ZOOM_verify_ed38b03df1324961b0f8ac1eb362085c`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.74.4, 172.67.194.56
		IPv6 hints	2606:4700:3032::6815:4a04, 2606:4700:3033::ac43:c238
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOA	`amy.ns.cloudflare.com`dns@cloudflare.com serial=2412067946

`app`

	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=101427

🔒 HSTS Preload (+subdomains)

Same first word

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ql.org

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ql.com.cn

ql.app

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DNS History

6 records (6 active, 0 former)

●NSamy.ns.cloudflare.com2026-07-07 → 2026-08-13 · 2 obs

● 2026-07-07 10:17:40
● 2026-08-13 20:46:18

●NSfrank.ns.cloudflare.com2026-07-07 → 2026-08-13 · 2 obs

● 2026-07-07 10:17:40
● 2026-08-13 20:46:18

●A104.21.74.42026-07-07 → 2026-08-13 · 2 obs

● 2026-07-07 10:17:40
● 2026-08-13 20:46:18

●A172.67.194.562026-07-07 → 2026-08-13 · 2 obs

● 2026-07-07 10:17:40
● 2026-08-13 20:46:18

●A2606:4700:3032::6815:4a042026-07-07 → 2026-08-13 · 2 obs

● 2026-07-07 10:17:40
● 2026-08-13 20:46:18

●A2606:4700:3033::ac43:c2382026-07-07 → 2026-08-13 · 2 obs

● 2026-07-07 10:17:40
● 2026-08-13 20:46:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
ql.app	amy.ns.cloudflare.com, frank.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.166

NS records: amy.ns.cloudflare.com, frank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ql.app (unsigned zone)

⏱️ Timing

Total: 526ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.194.56, 104.21.74.4`
AAAA	2	`2606:4700:3032::6815:4a04, 2606:4700:3033::ac43:c238`
NS	2	`amy.ns.cloudflare.com, frank.ns.cloudflare.com`
TXT	2	`google-site-verification=gLyQBUt0qQpSPa2, zoom-domain-verification=ZOOM_verify_ed3`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amy.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

ql.app directs to four IP numbers, which are 104.21.74.4, 172.67.194.56, 2606:4700:3032::6815:4a04 and 2606:4700:3033::ac43:c238.

interface-engine.digital, govskp.shop, firstdirectory.eu and two other host names share IP numbers with ql.app.

Name Servers

Two name servers handle the delegation for ql.app: amy.ns.cloudflare.com and frank.ns.cloudflare.com.

ql.app uses the same name servers as several other domains — among them sgnaweb.com.br, xremote.com.br, superbio.com.br and two more.

The name servers of ql.app overlap at least partially with those of other domains — among them zhihaoiop.workers.dev, bostononeteam.com, osakamichigan.com and two more.

These name servers commonly appear alongside the name servers byron.ns.cloudflare.com and nolan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

amy.ns.cloudflare.com resolves to 108.162.192.101, 172.64.32.101 and 173.245.58.101 among others, with 3 other IP addresses in total.

frank.ns.cloudflare.com resolves to 108.162.193.166, 172.64.33.166 and 173.245.59.166 among others, with 3 other IP addresses in total.