readfrog.app - dns.ninja

`readfrog.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:32d2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a771^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.210^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.113^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`athena.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c048^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`athena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2048^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`athena.ns.cloudflare.com`
		A	108.162.192.72^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	172.64.32.72^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	173.245.58.72^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
NS	`elliot.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elliot.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elliot.ns.cloudflare.com`
		A	108.162.193.162^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	172.64.33.162^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
		A	173.245.59.162^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elliot.ns.cloudflare.com`
MX	`mx1.larksuite.com` ⭐
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.larksuite.com`⁽⁵⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx3.larksuite.com`⁽¹⁰⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.223^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.230.154^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`google-site-verification=eIm0sOCFp03lqI_36JLaS5T3ueqc1nqhGVXM5ZsFUFA`
TXT	`v=spf1 include:sendersrv.com include:spf.onlarksuite.com -all`
TXT	`verification-code-site-App_lark=GUfMZSpPQCJl2fplMjRg`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.210, 172.67.167.113
		IPv6 hints	2606:4700:3035::6815:32d2, 2606:4700:3035::ac43:a771
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=59, name=cloudflare-ech.com
SOA	`athena.ns.cloudflare.com`dns@cloudflare.com serial=2411144374

`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

📈 Tranco rank: #204,584
🔒 HSTS Preload (+subdomains)

Subdomains

gw.readfrog.app

Same first word

readfrog.azurewebsites.net

readfrog.com

readfrog.app

Similar names

grafdoer.in

foredrag.dk

foredrag.se

forgeard.com

frogread.com

DNS History

10 records (9 active, 1 former)

●NSathena.ns.cloudflare.com2026-05-12 → 2026-08-02 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-02 15:29:48

●NSelliot.ns.cloudflare.com2026-05-12 → 2026-08-02 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-02 15:29:48

●MXmx1.larksuite.com2026-05-12 → 2026-08-02 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-02 15:29:48

●MXmx2.larksuite.com2026-05-12 → 2026-08-02 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-02 15:29:48

●MXmx3.larksuite.com2026-05-12 → 2026-08-02 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-02 15:29:48

●A104.21.50.2102026-05-12 → 2026-08-02 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-02 15:29:48

●A172.67.167.1132026-05-12 → 2026-08-02 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-02 15:29:48

○A2606:4700:3033::6815:32d22026-05-12 → 2026-05-15 · 4 obs

● 2026-05-12 05:15:04
● 2026-05-15 16:32:06
○ 2026-07-02 20:49:28
○ 2026-08-02 15:29:48

●A2606:4700:3035::6815:32d22026-07-02 → 2026-08-02 · 3 obs

○ 2026-05-15 16:32:06
● 2026-07-02 20:49:28
● 2026-08-02 15:29:48

●A2606:4700:3035::ac43:a7712026-05-12 → 2026-08-02 · 2 obs

● 2026-05-12 05:15:04
● 2026-08-02 15:29:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
readfrog.app	elliot.ns.cloudflare.com, athena.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.72

NS records: elliot.ns.cloudflare.com, athena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readfrog.app (unsigned zone)

⏱️ Timing

Total: 482ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.210, 172.67.167.113`
AAAA	2	`2606:4700:3035::ac43:a771, 2606:4700:3035::6815:32d2`
NS	2	`athena.ns.cloudflare.com, elliot.ns.cloudflare.com`
MX	3	`mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)...`
TXT	3	`google-site-verification=eIm0sOCFp03lqI_, v=spf1 include:sendersrv.com include:spf...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`athena.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

gw.readfrog.app is a subdomain of readfrog.app.

IP Addresses

readfrog.app directs to four IP numbers, which are 104.21.50.210, 172.67.167.113, 2606:4700:3035::6815:32d2 and 2606:4700:3035::ac43:a771.

Two other host names, along with bhbet5.com, up-4.net and aviatrade.aero, also share IP numbers with readfrog.app.

Name Servers

readfrog.app uses two name servers for its delegation: athena.ns.cloudflare.com and elliot.ns.cloudflare.com.

readfrog.app shares its NS records with other domains, for example techhimalaya.com, akinrestoran.com, sacsekillerimodelleri.org and two others.

The name servers of readfrog.app overlap at least partially with those of other domains — among them blend-works.com, 100b.net, bestmoviesbyfarr.com and two more.

The name servers rocco.ns.cloudflare.com, virginia.ns.cloudflare.com and logan.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

Hostname athena.ns.cloudflare.com directs to 108.162.192.72, 172.64.32.72 and 173.245.58.72 along with 3 other IP addresses.

Hostname elliot.ns.cloudflare.com directs to 108.162.193.162, 172.64.33.162 and 173.245.59.162 along with 3 other IP addresses.

Mail Servers

Mail for readfrog.app is routed through three mail servers — mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

There is at least a partial MX overlap between readfrog.app and other domains, including win88.biz, commercex.vn, capital-fortunes.com and two others.

Hostnames that map to three IP numbers:

The hostname mx3.larksuite.com directs to 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names that point to one IP address:

mx1.larksuite.com has the IP address 18.139.153.173.

mx2.larksuite.com has the IP address 18.139.153.173.

Each of mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com resolves to 18.139.153.173.